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1.
Sci Rep ; 14(1): 15801, 2024 Jul 09.
Artículo en Inglés | MEDLINE | ID: mdl-38982206

RESUMEN

Symptoms of Acute Respiratory infections (ARIs) among under-five children are a global health challenge. We aimed to train and evaluate ten machine learning (ML) classification approaches in predicting symptoms of ARIs reported by mothers among children younger than 5 years in sub-Saharan African (sSA) countries. We used the most recent (2012-2022) nationally representative Demographic and Health Surveys data of 33 sSA countries. The air pollution covariates such as global annual surface particulate matter (PM 2.5) and the nitrogen dioxide available in the form of raster images were obtained from the National Aeronautics and Space Administration (NASA). The MLA was used for predicting the symptoms of ARIs among under-five children. We randomly split the dataset into two, 80% was used to train the model, and the remaining 20% was used to test the trained model. Model performance was evaluated using sensitivity, specificity, accuracy, and the area under the receiver operating characteristic curve. A total of 327,507 under-five children were included in the study. About 7.10, 4.19, 20.61, and 21.02% of children reported symptoms of ARI, Severe ARI, cough, and fever in the 2 weeks preceding the survey years respectively. The prevalence of ARI was highest in Mozambique (15.3%), Uganda (15.05%), Togo (14.27%), and Namibia (13.65%,), whereas Uganda (40.10%), Burundi (38.18%), Zimbabwe (36.95%), and Namibia (31.2%) had the highest prevalence of cough. The results of the random forest plot revealed that spatial locations (longitude, latitude), particulate matter, land surface temperature, nitrogen dioxide, and the number of cattle in the houses are the most important features in predicting the diagnosis of symptoms of ARIs among under-five children in sSA. The RF algorithm was selected as the best ML model (AUC = 0.77, Accuracy = 0.72) to predict the symptoms of ARIs among children under five. The MLA performed well in predicting the symptoms of ARIs and associated predictors among under-five children across the sSA countries. Random forest MLA was identified as the best classifier to be employed for the prediction of the symptoms of ARI among under-five children.


Asunto(s)
Aprendizaje Automático , Infecciones del Sistema Respiratorio , Humanos , Infecciones del Sistema Respiratorio/epidemiología , Preescolar , África del Sur del Sahara/epidemiología , Lactante , Femenino , Masculino , Material Particulado/análisis , Enfermedad Aguda , Contaminación del Aire/efectos adversos , Recién Nacido
2.
PLoS Negl Trop Dis ; 18(3): e0011798, 2024 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-38536861

RESUMEN

OBJECTIVE: Female Genital Schistosomiasis (FGS) causes intravaginal lesions and symptoms that could be mistaken for sexually transmitted diseases or cancer. In adults, FGS lesions [grainy sandy patches (GSP), homogenous yellow patches (HYP), abnormal blood vessels and rubbery papules] are refractory to treatment. The effect of treatment has never been explored in young women; it is unclear if gynaecological investigation will be possible in this young age group (16-23 years). We explored the predictors for accepting anti-schistosomal treatment and/or gynaecological reinvestigation in young women, and the effects of anti-schistosomal mass-treatment (praziquantel) on the clinical manifestations of FGS at an adolescent age. METHOD: The study was conducted between 2011 and 2013 in randomly selected, rural, high schools in Ilembe, uThungulu and Ugu Districts, KwaZulu-Natal Province, East Coast of South Africa. At baseline, gynaecological investigations were conducted in female learners in grades 8 to 12, aged 16-23 years (n = 2293). Mass-treatment was offered in the low-transmission season between May and August (a few in September, n = 48), in accordance with WHO recommendations. Reinvestigation was offered after a median of 9 months (range 5-14 months). Univariate, multivariable and logistic regression analysis were used to measure the association between variables. RESULTS: Prevalence: Of the 2293 learners who came for baseline gynaecological investigations, 1045 (46%) had FGS lesions and/or schistosomiasis, 209/1045 (20%) had GSP; 208/1045 (20%) HYP; 772/1045 (74%) had abnormal blood vessels; and 404/1045 (39%) were urine positive. Overall participation rate for mass treatment and gynaecological investigation: Only 26% (587/2293) learners participated in the mass treatment and 17% (401/2293) participated in the follow up gynaecological reinvestigations. Loss to follow-up among those with FGS: More than 70% of learners with FGS lesions at baseline were lost to follow-up for gynaecological investigations: 156/209 (75%) GSP; 154/208 (74%) HYP; 539/722 (75%) abnormal blood vessels; 238/404 (59%) urine positive. The grade 12 pupil had left school and did not participate in the reinvestigations (n = 375; 16%). Follow-up findings: Amongst those with lesions who came for both treatment and reinvestigation, 12/19 still had GSP, 8/28 had HYP, and 54/90 had abnormal blood vessels. Only 3/55 remained positive for S. haematobium ova. Factors influencing treatment and follow-up gynaecological investigation: HIV, current water contact, water contact as a toddler and urinary schistosomiasis influenced participation in mass treatment. Grainy sandy patches, abnormal blood vessels, HYP, previous pregnancy, current water contact, water contact as a toddler and father present in the family were strongly associated with coming back for follow-up gynaecological investigation. Challenges in sample size for follow-up analysis of the effect of treatment: The low mass treatment uptake and loss to follow up among those who had baseline FGS reduced the chances of a larger sample size at follow up investigation. However, multivariable analysis showed that treatment had effect on the abnormal blood vessels (adjusted odds ratio = 2.1, 95% CI 1.1-3.9 and p = 0.018). CONCLUSION: Compliance to treatment and gynaecological reinvestigation was very low. There is need to embark on large scale awareness and advocacy in schools and communities before implementing mass-treatment and investigation studies. Despite challenges in sample size and significant loss to follow-up, limiting the ability to fully understand the treatment's effect, multivariable analysis demonstrated a significant treatment effect on abnormal blood vessels.


Asunto(s)
Enfermedades de los Genitales Femeninos , Esquistosomiasis Urinaria , Adulto , Embarazo , Animales , Femenino , Adolescente , Humanos , Praziquantel/uso terapéutico , Sudáfrica , Schistosoma haematobium , Esquistosomiasis Urinaria/tratamiento farmacológico , Esquistosomiasis Urinaria/epidemiología , Esquistosomiasis Urinaria/diagnóstico , Genitales Femeninos , Agua
3.
Glob Public Health ; 18(1): 2227882, 2023 01.
Artículo en Inglés | MEDLINE | ID: mdl-37403512

RESUMEN

Universal health coverage (UHC) aims to ensure people have access to the health services they need. Sixteen tracer indicators were developed for implementation by countries to measure UHC in the health system. South Africa uses 15 of the proposed 16 indicators. Operational managers in the public health care sector collect data and report on these indicators at a primary health clinic level. This qualitative study explored the knowledge and attitudes of managers toward data and UHC service indicators in a sub-district in Ugu, KwaZulu-Natal, South Africa. Operational managers saw data collection as information gathering, measuring performance and driving action. They understood UHC indicators as 'health for all' linking them to National Department of Health Strategic plans and saw the value of indicators for health promotion. They found the lack of training, inadequate numeracy skills, requests for data from multiple spheres of government and the indicator targets that they had to reach as challenging and untenable. While operational managers made the link between data, measuring performance and action, the limited training, skills gaps and pressures from higher levels of government may impede their ability to use data for local level planning and decision making.


Asunto(s)
Atención a la Salud , Cobertura Universal del Seguro de Salud , Humanos , Sudáfrica , Programas de Gobierno , Actitud
4.
BMC Public Health ; 23(1): 349, 2023 02 16.
Artículo en Inglés | MEDLINE | ID: mdl-36797696

RESUMEN

BACKGROUND: In countries such as Eswatini, where there is a high HIV prevalence and low male circumcision the World Health Organization and the Joint United Nations Programme for HIV/AIDS recommend infant and adult circumcision be implemented. The aim of this study was to assess the knowledge, attitudes and acceptability of voluntary medical male circumcision amongst males attending high school in Eswatini. METHODS: An observational cross-sectional study was conducted during February and March of 2018 amongst 407 young males (15-21 years) attending Form 4, in nine high schools in the Shiselweni region of Eswatini using a self-administered questionnaire of 42 close ended questions. Sociodemographic details, circumcision status, acceptance of voluntary medical male circumcision, knowledge and attitude scores analysed in Stata® 14 statistical software were described using frequencies, medians and ranges respectively. Bivariate and multivariate linear regression was used to assess the impact of independent variables on circumcision status and acceptance of voluntary medical male circumcision. The level of statistical significance was p < 0.05. RESULTS: Amongst the 407 high school-going males, 48.98% (n = 201) reported being circumcised. The majority of the adolescents (75.74%; n = 306) were knowledgeable about voluntary medical male circumcision. However, an even larger majority (84.90% (n = 343) had a negative attitude towards it. In the multivariate logistic regression analysis, having parented their own children (aOR: 3.55; 95%CI: 1.2-10.48), and having circumcised friends (aOR: 3.99; 95%CI: 1.81-8.84) were significantly associated with being circumcised. Neither knowledge nor attitude were associated with the acceptability of voluntary medical male circumcision. CONCLUSION: In Eswatini male high school students are knowledgeable about voluntary medical male circumcision but have a negative attitude towards it. Having parented their own children, and having circumcised friends influenced being circumcised.


Asunto(s)
Circuncisión Masculina , Infecciones por VIH , Adulto , Adolescente , Niño , Humanos , Masculino , Estudios Transversales , Esuatini/epidemiología , Conocimientos, Actitudes y Práctica en Salud
5.
New Solut ; 32(4): 288-303, 2023 02.
Artículo en Inglés | MEDLINE | ID: mdl-36650981

RESUMEN

Workplaces are nodes for Severe Acute Respiratory Syndrome Coronavirus 2 transmission and require strategies to protect workers' health. This article reports on the South African national coronavirus disease 2019 (COVID-19) strategy that sought to ensure workers' health, protect the economic activity, safeguard livelihoods and support health services. Data from the Occupational Health Surveillance System, Surveillance System of Sentinel Hospital Sites, and government databases (public sector health worker and Compensation Fund data) was supplemented by peer-reviewed articles and grey literature. A multipronged, multi-stakeholder response to occupational health and safety (OHS) policy development, risk management, health surveillance, information, and training was adopted, underpinned by scientific input, through collaboration between government, organized labour, employer bodies, academia, and community partners. This resulted in government-promulgated legislation addressing OHS, sectoral guidelines, and work-related COVID-19 worker's compensation. The OHS Workstream of the National Department of Health provided leadership and technical support for COVID-specific workplace guidelines and practices, surveillance, information, and training, as well as a workplace-based vaccination strategy.


Asunto(s)
COVID-19 , Salud Laboral , Humanos , Sudáfrica/epidemiología , Lugar de Trabajo , SARS-CoV-2
6.
Child Psychiatry Hum Dev ; 54(5): 1438-1445, 2023 10.
Artículo en Inglés | MEDLINE | ID: mdl-35380341

RESUMEN

We explored the association between household alcohol use and behavior problems among South-African children, using data from the Asenze study, a population-based cohort of South African children and their caregivers. Household alcohol use and child behavior were assessed when children were 6-8 years old. To examine the association, we performed linear regressions. The sample included 1383 children with complete data under the care of 1251 adults. Children living in a household where self-reported caregiver alcohol use was scored as hazardous (4.6%) had higher levels of problem behavior (ß = 1.94, 95% CI 0.06-3.82). There were no statistically significant associations between reported hazardous alcohol use by another member of the household (14.5%) and child problem behavior. Hazardous household alcohol use was associated with child problem behavior and this effect appeared to be mainly driven by primary caregiver use.


Asunto(s)
Consumo de Bebidas Alcohólicas , Cuidadores , Conducta Infantil , Problema de Conducta , Humanos , Niño , Masculino , Femenino , Adulto , Consumo de Bebidas Alcohólicas/efectos adversos , Consumo de Bebidas Alcohólicas/epidemiología , Sudáfrica/epidemiología , Alcoholismo/epidemiología , Estudios Transversales
7.
Trop Med Infect Dis ; 7(11)2022 Nov 16.
Artículo en Inglés | MEDLINE | ID: mdl-36422933

RESUMEN

Female genital schistosomiasis (FGS) is a complication of Schistosoma haematobium infection, and imposes a health burden whose magnitude is not fully explored. It is estimated that up to 56 million women in sub-Saharan Africa have FGS, and almost 20 million more cases will occur in the next decade unless infected girls are treated. Schistosomiasis is reported throughout the year in South Africa in areas known to be endemic, but there is no control programme. We analyze five actions for both a better understanding of the burden of FGS and reducing its prevalence in Africa, namely: (1) schistosomiasis prevention by establishing a formal control programme and increasing access to treatment, (2) introducing FGS screening, (3) providing knowledge to health care workers and communities, (4) vector control, and (5) water, sanitation, and hygiene. Schistosomiasis is focal in South Africa, with most localities moderately affected (prevalence between 10% and 50%), and some pockets that are high risk (more than 50% prevalence). However, in order to progress towards elimination, the five actions are yet to be implemented in addition to the current (and only) control strategy of case-by-case treatment. The main challenge that South Africa faces is a lack of access to WHO-accredited donated medication for mass drug administration. The establishment of a formal and funded programme would address these issues and begin the implementation of the recommended actions.

8.
Artículo en Inglés | MEDLINE | ID: mdl-35897345

RESUMEN

Despite the fact that several cases of unsafe pesticide use among farmers in different parts of Africa have been documented, there is limited evidence regarding which specific interventions are effective in reducing pesticide exposure and associated risks to human health and ecology. The overall goal of the African Pesticide Intervention Project (APsent) study is to better understand ongoing research and public health activities related to interventions in Africa through the implementation of suitable target-specific situations or use contexts. A systematic review of the scientific literature on pesticide intervention studies with a focus on Africa was conducted. This was followed by a qualitative survey among stakeholders involved in pesticide research or management in the African region to learn about barriers to and promoters of successful interventions. The project was concluded with an international workshop in November 2021, where a broad range of topics relevant to occupational and environmental health risks were discussed such as acute poisoning, street pesticides, switching to alternatives, or disposal of empty pesticide containers. Key areas of improvement identified were training on pesticide usage techniques, research on the effectiveness of interventions targeted at exposure reduction and/or behavioral changes, awareness raising, implementation of adequate policies, and enforcement of regulations and processes.


Asunto(s)
Exposición Profesional , Plaguicidas , Agricultura , Agricultores , Conocimientos, Actitudes y Práctica en Salud , Humanos , Exposición Profesional/prevención & control
9.
S Afr J Physiother ; 77(1): 1476, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33604475

RESUMEN

BACKGROUND: Mineworkers, including females, are prone to work-related musculoskeletal disorders and these disorders are not well reported amongst female mineworkers in South Africa. OBJECTIVE: This study aimed to identify the factors associated with the presence of musculoskeletal pain over a 12-month period amongst female mineworkers (n = 225) in a South African goldmine. METHOD: Female mineworkers' responses to the presence of musculoskeletal pain over the previous 12-month period and their exposure to physical and psychological factors were elicited using a standardised questionnaire. Descriptive and multivariable analytical statistics were conducted to test for associations between physical and psychological factors and the presence of musculoskeletal pain over the previous 12 months. RESULTS: The median age of participants was 40 years, with 50.22% of participants reporting the presence of musculoskeletal pain over the previous 12 months. On multivariable analysis, education level and good to excellent health status were protective against the existence of pain during the previous 12 months. Participants' perceived ratings of experiencing moderate-to-high pain intensities were significantly associated with reports of pain over the past 12 months. CONCLUSION: These findings may raise awareness amongst physiotherapists and occupational medicine physicians about the factors associated with musculoskeletal pain amongst female mineworkers, which they can then use in managing and developing interventions aimed at improving the physical health of female mineworkers. CLINICAL IMPLICATIONS: Our study highlights the need for medical surveillance of musculoskeletal pain in female mineworkers. A cohort study in a larger study population and across several mines will build on the existing cross-sectional information and help inform workplace interventions for female mineworkers.

10.
J Agromedicine ; 26(2): 97-108, 2021 04.
Artículo en Inglés | MEDLINE | ID: mdl-32182198

RESUMEN

Purpose: Respiratory hazards of farming have been identified for centuries, with little focus on gender differences. We used data from the AGRICOH consortium, a collective of prospective cohorts of agricultural workers, to assess respiratory disease prevalence among adults in 18 cohorts representing over 200,000 farmers, farm workers, and their spouses from six continents.Methods: Cohorts collected data between 1992 and 2016 and ranged in size from 200 to >128,000 individuals; 44% of participants were female. Farming practices varied from subsistence farming to large-scale industrial agriculture. All cohorts provided respiratory outcome information for their cohort based on their study definitions. The majority of outcomes were based on self-report using standard respiratory questionnaires; the greatest variability in assessment methods was associated with chronic obstructive pulmonary disease (COPD).Results: For all three respiratory symptoms (cough, phlegm, and wheeze), the median prevalence in men was higher than in women, with the greatest difference for phlegm (17% vs. 10%). For asthma, women had a higher prevalence (7.8% vs 6.5%), with the difference associated with allergic asthma. The relative proportion of allergic asthma varied among cohorts. In two of eight cohorts for women and two of seven cohorts for men, allergic asthma was more common than non-allergic asthma.Conclusions: These findings indicate that respiratory outcomes are common among farmers around the world despite differences in agricultural production. As women in the general population are at higher risk of asthma, exploring gender differences in occupational studies is critical for a deeper understanding of respiratory disease among agricultural workers.


Asunto(s)
Enfermedades de los Trabajadores Agrícolas , Exposición Profesional , Adulto , Enfermedades de los Trabajadores Agrícolas/epidemiología , Agricultura , Femenino , Humanos , Masculino , Evaluación de Resultado en la Atención de Salud , Prevalencia , Estudios Prospectivos , Factores de Riesgo , Factores Sexuales
11.
J Sch Nurs ; 37(2): 128-138, 2021 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-31179820

RESUMEN

A better understanding of the social influences, self-efficacy, and communication with parents, peers, and teachers associated with teenage pregnancy is required owing to the consequences of teenage pregnancy. This article aimed to determine the prevalence of teenage pregnancy and to understand the association between social influences, self-efficacy, and communication about teenage pregnancies, among high school students in KwaZulu-Natal, South Africa. Grade 11 students at 20 randomly selected schools in two districts completed an anonymous questionnaire on sociodemographics, social influences, self-efficacy communication, and teenage pregnancy. Teenage pregnancy was associated with age, being female, and exposure to communication discouraging pregnancy. Students living with both parents, or where family and peers believed that the adolescents should abstain from sex, or who experienced positive social pressure discouraging pregnancy were unlikely to have had a pregnancy. This study identified sociodemographic and sociobehavioral influences associated with teenage pregnancy that can assist school nurses in their work.


Asunto(s)
Embarazo en Adolescencia , Adolescente , Comunicación , Femenino , Humanos , Embarazo , Instituciones Académicas , Autoeficacia , Educación Sexual , Conducta Sexual , Sudáfrica/epidemiología , Estudiantes
12.
Violence Vict ; 35(6): 861-884, 2020 12 01.
Artículo en Inglés | MEDLINE | ID: mdl-33372114

RESUMEN

Youth violence is of public health and social concern. A South African cluster randomized trial (434 grade 10 students, 16 schools), used the Integrated Model for Behavior Change conceptual framework to implement a 20 module classroom-based intervention program. The study contributes to the literature and used a strong analytical technique since mixed effects linear regression assessed the impact of the intervention on physical violence endpoints and other socioeconomic confounders/factors. The intervention reduced students' experiencing physical violence compared to controls and social pressure for this, yet no differences were found for hitting others. Our results support findings that school programs against violence can reduce students' experience of physical violence, but translation of these findings to reduce the actual hitting of others may need further approaches and/or more time.


Asunto(s)
Conducta del Adolescente , Agresión/psicología , Estudiantes/psicología , Adolescente , Terapia Conductista , Femenino , Humanos , Masculino , Psicometría , Instituciones Académicas , Sudáfrica , Resultado del Tratamiento
13.
J Multidiscip Healthc ; 13: 1607-1628, 2020.
Artículo en Inglés | MEDLINE | ID: mdl-33239882

RESUMEN

BACKGROUND: Adverse maternal and child health outcomes due to adolescent pregnancy are central to public health research and practice. In addition, public health has emphasised that the care rendered by healthcare providers plays a pivotal role in the health and well-being of pregnant and parenting adolescents. Healthcare providers may differ in the ways they interpret adolescent pregnancy and parenting and consequently, this may have profound implications for healthcare decision making. The aim of this study was to explore the multiple perspectives of a diverse group of healthcare providers' delivering services and engaging with pregnant adolescents and adolescent mothers at a district hospital in Ugu, KwaZulu Natal, South Africa. METHODS: This descriptive qualitative study used semi-structured interviews (n=33). Healthcare providers rendering care to pregnant and parenting adolescents were recruited from the maternity, antenatal, paediatrics, psychology, dietetics, physiotherapy and social work departments, as well as from the HIV/AIDS, STIs and TB (HAST) programme. The data were analysed using thematic analysis. RESULTS: The healthcare providers acknowledged that adolescent pregnancy is a problematic issue in Ugu district. Furthermore, they felt that the postpartum sexual-related and reproductive health of adolescent mothers was not given priority. In the healthcare providers' view, the problems experienced by pregnant and parenting adolescents were school dropout, financial constraints, breakdown of relationships, abandonment, stigmatisation, parenting and child rearing difficulties, and both physical and mental health problems. CONCLUSION: This study highlights that the issue of sexual- and reproductive-related outcomes of adolescent pregnancy and parenting is not given priority. In addition, the findings also highlighted the need for a multidisciplinary approach to the care of pregnant and parenting adolescents. Multidisciplinary communities of practices as interventions can be used to generate and share knowledge, capacitate healthcare providers and improve clinical practice. The training of healthcare providers, provision of non-judgemental counselling and tailored services for pregnant adolescents and adolescent mothers are essential. When appropriately disseminated, the findings will assist relevant healthcare providers, administrators in healthcare institutions, policymakers, and officials of the Department of Health and the Department of Education in South Africa to address the lack of appropriate care for pregnant and parenting adolescents.

14.
BMC Pregnancy Childbirth ; 20(1): 620, 2020 Oct 14.
Artículo en Inglés | MEDLINE | ID: mdl-33054778

RESUMEN

BACKGROUND: Adolescent pregnancy and motherhood has been a controversial and much disputed subject within the field of public health. Early childbearing is not only characterized as a physical body experience but also embodies the experiences and perceptions of the social norms, discourses, conflict and moral judgement. There is an increasing concern that the psychosocial challenges facing adolescent mothers remains in the background since research in this field has mainly focused on the medical and physical complications of early childbearing. The aim of this qualitative study was to explore adolescent pregnancy and motherhood in order to understand this phenomenon from the perspective of adolescent mothers and to gain insight into their future aspirations. METHODS: This descriptive qualitative study was based on data from four focus group discussions with adolescent mothers utilising healthcare services at a district hospital in Ugu district, KwaZulu Natal, South Africa. The data were audio-recorded and transcribed verbatim, then analysed using thematic analysis. RESULTS: Some adolescent mothers' partners were in denial and rejected them and the child while others' partners were happy and supported them during their pregnancy. Families' reactions to the pregnancies ranged between anger and disappointment to abandonment, the silent treatment, and acceptance and forgiveness. The psychological issues experienced by some of the adolescent mothers included suicidal ideation, guilt, loneliness, anxiety, and stress. They also experienced financial constraints, difficulty in returning to school, and stigmatisation in society. The participants envisioned completing their education, focusing on their dream careers, and contributing positively to society. CONCLUSION: Experiences of adolescent pregnancy and parenting are multifaceted and the healthcare needs of pregnant and parenting adolescents extend beyond information and knowledge. A multidisciplinary approach is required in the care of adolescent mothers. A key policy priority should encompass the collaboration of different professionals from various healthcare sectors to assist adolescent mothers in achieving better health and psychosocial and socio-economic outcomes as steps to securing a better future for them.


Asunto(s)
Conocimientos, Actitudes y Práctica en Salud , Madres/psicología , Responsabilidad Parental/psicología , Embarazo en Adolescencia/psicología , Embarazo no Planeado/psicología , Adolescente , Adulto , Escolaridad , Emociones , Femenino , Grupos Focales , Humanos , Masculino , Edad Materna , Madres/educación , Edad Paterna , Embarazo , Investigación Cualitativa , Parejas Sexuales/psicología , Factores Socioeconómicos , Sudáfrica , Adulto Joven
15.
Environ Res ; 191: 109860, 2020 12.
Artículo en Inglés | MEDLINE | ID: mdl-32768472

RESUMEN

Metal exposure remains a significant public health problem, particularly in the informal sector. The rise in informal foundries to cast scrap metal into artisanal cookware is widespread in low- and middle-income countries. The main aim of this study was to characterize metal exposure in artisanal cookware makers working in informal foundries in South Africa by measuring lead (Pb) in blood as well as sample metal concentrations on hands before and after work. The blood Pb distribution of the artisanal pot makers ranged from 1.1 to 4.6 µg/dl with the median blood Pb level being 2.1 µg/dl (IQR 1.7-2.5). The median blood Pb level in artisanal pot makers was 1.0 µg/dl higher compared with the non-exposed community members (p < 0.0001). Before-and-after handwipe sampling revealed a median increase in all 22 elements. Pre and post aluminum (Al) load on the handwipes revealed a 7.3 factor increase (0.53 and 3.9 mg Al/handwipe respectively) (p = 0.003). Hand Pb load before and after pot making revealed a 3.5-fold increase (median increase of 6.2 µg Pb/handwipe). An increase in backyard informal foundries may be linked to increased exposure to toxic metals for workers, family members and communities.


Asunto(s)
Aluminio , Plomo , Humanos , Plomo/análisis , Sudáfrica
16.
Syst Rev ; 9(1): 109, 2020 05 09.
Artículo en Inglés | MEDLINE | ID: mdl-32386510

RESUMEN

Environmental factors such as pollution, pesticide exposure and socio-demographic location have been implicated as a pressure capable of altering genetic make-up. Altered genetic sequence of genes encoding enzymes may result in single nucleotide polymorphism (SNP). Of peculiar interest is the genetic variance on the paraoxonase-1 gene induced by pre- and postnatal exposure to pesticides. SNP have been reported on the paraoxonase-1 gene and post-xenobiotic exposure and are presumed to alter gene sequence and ultimately enzymatic activity. The altered enzymatic activity may facilitate neurodevelopment disorders. Autism spectrum disorders (ASD) and attention deficit hyperactivity disorder (ADHD) are among the neurodevelopment disorders of which prevalence is concurrently associated with increasing environmental xenobiotic exposure. The variance on xenobiotic metabolising genes is associated with altered neurodevelopment outcome and ultimately altered neurobehavioural outcome. Prime interests of this systematic review were to establish an understanding of the sequences on the paraoxonase-1 gene associated with adverse neurobehavioural outcome. An in-depth literature search was conducted using the term combination "pesticide exposure, pre- and postnatal exposure, organophosphates/organophosphorus, single nucleotide polymorphism, paraoxonase-1 (PON-1), neurodevelopment/neurobehavioural outcome in child/infant". Articles published from the year 2000 to 2018 were considered for review. The result showed that variance on the PON1-108 and 192 alleles could be implicated in the development of altered neurobehavioural outcomes.


Asunto(s)
Plaguicidas , Arildialquilfosfatasa/genética , Niño , Exposición a Riesgos Ambientales/efectos adversos , Humanos , Organofosfatos , Plaguicidas/toxicidad , Polimorfismo de Nucleótido Simple
17.
Depress Res Treat ; 2020: 5364521, 2020.
Artículo en Inglés | MEDLINE | ID: mdl-32411457

RESUMEN

BACKGROUND: Maternal depression is a major public health concern as it affects both mothers and their children. Antenatal depression, which is often underdiagnosed, has been associated with preterm labour, low birth weight, and intrauterine growth restriction. Research has demonstrated that postpartum depression is associated with mother-infant bonding impairment, child abuse, child neglect, maternal substance abuse, and self-harm. Globally, the prevalence of depression in pregnant and postpartum adolescents varies. This paper reports on the findings of the prevalence of depression and its associated risk factors among pregnant and postpartum adolescents in KwaZulu-Natal, South Africa. METHODS: Data were generated by means of a descriptive cross-sectional study that was conducted between June and November 2017 utilizing a sample of 326 adolescent females accessing maternal health services in a medium-sized rural peripheral district hospital in Ugu, Southern KwaZulu-Natal. The Edinburgh Postnatal Depression Scale questionnaire was used to screen participating pregnant and postnatal adolescents for depression. A cut-off score of ≥13 was used to identify pregnant and postnatal adolescents with symptoms of depression. The data were analysed using R software. RESULTS: The prevalence of depression among the pregnant participants was 15.9% (21/132), whereas it was 8.8% (17/194) among the postpartum participants. Antenatal depression was associated with physical violence (adjusted odds ratio (aOR) 6.47, 95% CI 1.36-30.53, p = 0.01) and verbal abuse (adjusted odds ratio (aOR) 4.8, 95% CI 1.5-15.16, p = 0.006). The pregnant participants who indicated they received a lot of support from their partners were 0.93% less likely to have depression. Postnatal depression was associated with physical violence (adjusted odds ratio (aOR) 7.32, 95% CI 1.66-29.44, p = 0.005), verbal abuse (adjusted odds ratio (aOR) 4.3, 95% CI 1.03-15.79, p = 0.03), and intimate partner violence (adjusted odds ratio (aOR) 9.58, 95% CI 1.58-48.82, p = 0.008). CONCLUSION: The prevalence of antenatal depression was higher than postpartum depression in the study sample. In light of the findings, maternal healthcare professionals are cautioned to consider the mental health of pregnant and postpartum adolescents who seek their services at health facilities.

18.
BMC Public Health ; 20(1): 366, 2020 Mar 18.
Artículo en Inglés | MEDLINE | ID: mdl-32197592

RESUMEN

BACKGROUND: Adolescent pregnancy has been a persistent area of interest and concern in the field of public health. The debate about adolescents' sexual risk behaviour has also gained prominence due to findings that have demonstrated that adolescent girls between 15 and 19 years of age give birth to 16 million infants and account for 62% of new HIV infections in the Caribbean and African regions. Health compromising behaviours often develop in adolescence, yet the sexual and reproductive health of adolescent mothers is often marginalised in the healthcare field. The aim of this study was to explore adolescent mothers' understanding of sexual risk behaviour. METHODS: The study employed a descriptive qualitative design. To collect the data, four focus group discussions were conducted with adolescent mothers aged 16-19 years. The eighteen adolescent mothers were recruited using purposive sampling technique from a hospital in the Ugu district in KwaZulu-Natal, South Africa. Data were analysed using thematic analysis. RESULTS: The study revealed that decisions to engage in risky sexual behaviour is influenced by peer pressure, drugs and alcohol, sexual experimentation, myths about contraception, the media, poor parental supervision and power gender dynamics, poverty leading to transactional sex, the vulnerability of young girls, and the fear of partner rejection. CONCLUSION: The findings of this study will contribute to a better understanding of adolescent mothers' perspectives of sexual risk behaviour. In the subject matter of sexual and reproductive health, adolescents' autonomy with respect to cultural and social recommendations should not be sidelined. Due to their vulnerability, adolescent women are exposed to transactional sex, and it is particularly due to poverty that adolescent women are driven into sexual relations with older men as a means of survival. Moreover, interventions to curb postpartum sexual risk behaviour are important to protect adolescent women and mothers against HIV/AIDS. The sexual and reproductive education of adolescent women should focus on resilience, negotiating skills, and protective decision making. Collaborative efforts to curb sexual risk taking by young women should be encouraged and should involve relevant agents from the educational, social and clinical fields.


Asunto(s)
Madres/psicología , Asunción de Riesgos , Conducta Sexual/psicología , Adolescente , Condones , Anticoncepción/estadística & datos numéricos , Femenino , Grupos Focales , Infecciones por VIH/epidemiología , Humanos , Masculino , Madres/estadística & datos numéricos , Embarazo , Embarazo en Adolescencia , Investigación Cualitativa , Parejas Sexuales/psicología , Sudáfrica/epidemiología , Adulto Joven
19.
Afr J Reprod Health ; 24(s1): 56-63, 2020 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-34077054

RESUMEN

South Africa, similar to many other countries in the African continent is still experiencing challenges in its efforts to provide sexual and reproductive health (SRH) care to women and adolescent girls, and it has become clear that the COVID-19 pandemic is the latest threat to universal access to SRH. In the face of this threat, the Sustainable Developmental Goals that call on the global community to -leave no one behind‖ may become a blurred vision unless we adopt a wider lens away from the tunnel vision that currently plagues health systems around the globe. This paper therefore exposes how SRH may become collateral damage in the face of the present COVID-19 pandemic. Previous disease outbreaks diverted attention from critical SRH services, including antenatal care, safe abortions, contraception, HIV/AIDS and sexually transmitted infections. Governments, policy makers, health system gatekeepers and civil society organisations should not allow the COVID-19 phobia to bar women and adolescent girls from accessing SRH services. In fact, the global and South African response to the COVID-19 pandemic must protect everyone's rights, particularly in the health care context. Gender considerations and a human rights approach must be embedded in ensuring the accessibility and availability of SRH services.


Asunto(s)
COVID-19/epidemiología , Accesibilidad a los Servicios de Salud/organización & administración , Servicios de Salud Reproductiva/organización & administración , Salud Sexual , Aborto Inducido/normas , Anticoncepción/métodos , Femenino , Derechos Humanos , Humanos , Mortalidad Materna/tendencias , Embarazo , Embarazo no Planeado , Atención Prenatal/organización & administración , SARS-CoV-2 , Sudáfrica/epidemiología
20.
S Afr J Infect Dis ; 35(1): 162, 2020.
Artículo en Inglés | MEDLINE | ID: mdl-34485476

RESUMEN

BACKGROUND: Annually, there are a high number of needlestick injuries (NSIs) among health care workers (HCWs) globally. The knowledge and practice of HCWs of universal precautions (UPs) play an important role in determining the risk of an NSI. The objective of this study was to compare the knowledge and practices of UPs among HCWs with NSIs with HCWs without NSIs, in Ugu north sub-district in KwaZulu-Natal (KZN), South Africa, between 2010 and 2014. METHODS: A study among HCWs having an NSI (n = 100) between 2010 and 2014 compared with controls (n = 200) was conducted in 2016-2017 at a district hospital and 11 primary health care facilities in Ugu north sub-district, KZN, South Africa. Health care workers' knowledge and practices of UPs were assessed by using a standardised questionnaire. Knowledge and practice responses were scored, and means and standard deviations (SDs) were calculated. Total scores of knowledge and practices were categorised into acceptable and unacceptable, and a binary logistic model was used to identify independent factors associated with being a case. The accepted level of significance was 0.05. RESULTS: The majority of the participants were nurses (n = 233; 77.7%) and female (n = 227; 75.7%). Control HCWs had better practice scores for UPs (86.13%; SD: 16.57) compared with cases (82.43%; SD: 19.98). The logistic regression analysis showed that the HCWs with acceptable knowledge and unacceptable practice were more likely to have had an NSI (odds ratio [OR]: 5.8; 95% confidence interval [CI]: 1.4-24.0). CONCLUSION: There were significant differences between cases and controls with respect to knowledge and practice of UPs that are important findings for workplace health and safety and HCW training.

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