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AIMS: Previous studies on major depressive disorder (MDD) among immigrants have reported mixed results. Using data from primary healthcare settings in Sweden, we compared the incidence of MDD among first- and second-generation immigrants aged 15-39 years with natives. METHODS: This was a retrospective nationwide open cohort study. Eligible individuals were born 1965-1983, aged 15-39 years at baseline, and resided in Sweden for at least one year during the study period 2000-2015. We identified MDD cases through the Primary Care Registry (PCR). The follow-up for each individual started when they met the inclusion criteria and were registered in the PCR and ended at MDD diagnosis, death, emigration, moving to a county without PCR coverage, or the end of the study period, whichever came first. Results: The final sample included 1,341,676 natives and 785,860 immigrants. The MDD incidence rate per 1000 person-years ranged from 6.1 (95% confidence intervals: 6.1, 6.2) to 16.6 (95% confidence intervals: 16.2, 17.0) in native males and second-generation female immigrants with a foreign-born father, respectively. After adjusting for income, the MDD risk did not differ substantially between first-generation male and female immigrants and natives. However, male and female second-generation immigrants had a 16-29% higher adjusted risk of MDD than natives. CONCLUSIONS: This cohort study using primary healthcare data in Sweden, albeit incomplete, indicated that second-generation immigrants seem to be at a particularly high risk of MDDs. The underlying mechanisms need further investigation.
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Transtorno Depressivo Maior , Emigrantes e Imigrantes , Humanos , Masculino , Feminino , Estudos de Coortes , Transtorno Depressivo Maior/epidemiologia , Suécia/epidemiologia , Estudos Retrospectivos , Atenção Primária à SaúdeRESUMO
BACKGROUND: Swimming ability among children in the city of Malmö, Sweden is strongly affected by socioeconomic differences. We investigated to what extent mediating health and lifestyle factors, such as children's eating, sleeping and physical activity habits, as well as the characteristics of the social and working environment at both school and home, could explain the socioeconomic gradient in swimming ability. METHODS: Our study population included children who started their first-grade school-year in 2012 or 2013 at any of the public primary schools of Malmö, Sweden. Cross-sectional, self-reported questionnaire-based data about health status and swimming ability in the fourth grade (age 10) were included from the Pupil Health Database (ELSA) for 3468 children. RESULTS: Children's self-reported swimming ability was strongly associated with both individual- and school-based sociodemographic variables. Nine health, lifestyle and environmental variables were identified as potential mediators and included in the final model. Four of these variables, "Activity", "Outdoor time", "Social relationships at home and on the free time", and "Positivity about future", were significantly and positively associated with children's ability to swim. CONCLUSIONS: Social support, optimism for the future and an active lifestyle were positively associated with children's swimming skills; however, compared to the socioeconomic factors, these health- and lifestyle factors contributed very little. It is possible, that interventions concerning children's swimming ability in lower socioeconomic neighbourhoods, should in addition to children's swimming lessons, target the whole families with the goal of increasing their possibilities for socialising and engaging in different kinds of recreational activities.
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Estilo de Vida , Natação , Criança , Estudos Transversais , Humanos , Instituições Acadêmicas , SuéciaRESUMO
INTRODUCTION: Data on outcome in persons with haemophilia B (PwHB) are limited and mainly extrapolated from studies of haemophilia A (HA). AIM: To characterize treatment outcomes in persons with severe HB in the Nordic region, with a focus on joint health, compared with matched controls with HA. METHODS: PwHB attending haemophilia centres in Denmark, Finland, Norway and Sweden were enrolled and matched with controls with HA. Joint assessment using Haemophilia Joint Health Score (HJHS) and ultrasound according to Haemophilia Early Arthropathy Detection protocol (HEAD-US) was conducted. Adherence was evaluated using the Validated Haemophilia Regimen Treatment Adherence Scale (VERITAS). RESULTS: Seventy-nine males with HB, with median age of 30 years (range 1-75), were enrolled. Eleven patients (14%) had a history of or current inhibitor. Twenty-nine PwHB (37%) reported joint bleeds during the prior year, and 35% had previously undergone joint surgery. Ninety-five per cent were on prophylaxis, and 70% used recombinant concentrates, with a median factor consumption of 3,900 IU/kg/year for standard half-life products. Only two patients had a VERITAS score corresponding to 'non-adherence'. Joint health, assessed with HJHS, showed a significant lower score among PwHB compared with HA controls, explained by a difference in the 18-49 age group, without observed differences in older or younger subgroups. The HEAD-US scores were overall low. CONCLUSION: The Nordic cohort of PwHB is well treated by prophylaxis, but the goal of zero bleeds for all is not reached. Our findings suggest that patients with severe HB suffer from a milder arthropathy than patients with severe HA.
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Hemofilia A , Hemofilia B , Adolescente , Adulto , Idoso , Criança , Pré-Escolar , Hemartrose/etiologia , Hemofilia A/complicações , Hemofilia A/tratamento farmacológico , Hemofilia B/complicações , Hemofilia B/tratamento farmacológico , Humanos , Lactente , Masculino , Pessoa de Meia-Idade , Resultado do Tratamento , Ultrassonografia , Adulto JovemRESUMO
INTRODUCTION: It has been hypothesized that persons with von Willebrand disease (VWD) may be protected against arterial thrombosis despite having atherosclerosis. AIM: To calculate a nationwide estimate of the absolute and comparative burden of cardiovascular disease (CVD) hospitalization and mortality among persons with VWD using birthdate and sex-matched comparisons from the general population in Sweden. METHODS: Persons with VWD regardless of the type and severity, diagnosed by a medical doctor, who lived in Sweden for some time during the observation period 1987 through 2008 were included. For each participant with VWD, up to five randomly selected birthdate- and sex-matched persons from general population were selected as controls. RESULTS: A total of 2790 participants with VWD including 888 male and 1902 female subjects and 13 938 controls were included. Overall, the hazard of CVD-related hospitalization was 1.3-fold (95% CI: 1.1, 1.5) among participants with VWD after adjusting for sex, birthdate, diabetes and cancer. However, they had a 0.4-fold (95% CI: 0.3, 0.6) hazard of CVD-related mortality compared to general population sample. CONCLUSIONS: In this nationwide, long-term register study with individually matched controls, we have been able to show that persons with VWD have a higher hospitalization rate due to CVD events. However, the mortality rates appear lower than in the control population. The latter finding is consistent with previous studies and indicates a protective effect of the clotting factor deficiency inherited with VWD.
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Doenças Cardiovasculares/diagnóstico , Doenças de von Willebrand/patologia , Adolescente , Adulto , Idoso , Doenças Cardiovasculares/complicações , Doenças Cardiovasculares/epidemiologia , Doenças Cardiovasculares/mortalidade , Criança , Feminino , Hospitalização , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Modelos de Riscos Proporcionais , Sistema de Registros , Estudos Retrospectivos , Análise de Sobrevida , Suécia/epidemiologia , Adulto Jovem , Doenças de von Willebrand/complicaçõesRESUMO
BACKGROUND: A significant fraction of women with an impaired factor VIII or IX gene in the X chromosome, carriers of haemophilia, will have clotting factor activities corresponding to those seen in males with non-severe haemophilia, hence, experience an increased bleeding tendency. Data describing the long-term joint outcomes among carriers are limited. We compared the age at onset, frequency of joint-related diagnoses as well as joint surgery and related hospitalizations among carriers of haemophilia with sex- and birthdate-matched controls from the general population. METHODS: Carriers of haemophilia born 1941-2008 were identified through the haemophilia treatment centres' (HTCs) databases and the National Patient Register of Sweden. For each carrier, we included up to five individuals using the Swedish population register as comparisons. Data for the period 1987-2008 were obtained. RESULTS: Among 539 potential carriers identified, 213 had a known factor activity. Carriers with reduced factor activity and those with unknown factor activity had received their first joint-related diagnosis at a significantly earlier age than their comparisons. The same subgroups showed an overall 2.3- and 2.4-fold higher hazard for joint-related diagnoses compared with the general population. In addition, the hazards of joint-related outpatient hospitalization were 3.2-fold (95% CI: 1.2, 9.1) and 2.5-fold (95% CI: 1.6, 3.7). This was not observed for those with normal factor activity. CONCLUSION: Carriers of haemophilia suffer a significant risk for joint comorbidities. This risk seems to correlate to the factor activity. Our findings underline the importance of regular clinical follow-up of carriers at HTCs.
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Hemofilia A/tratamento farmacológico , Estudos de Coortes , Comorbidade , Feminino , Humanos , Masculino , Suécia , Fatores de TempoRESUMO
Recent advancements in almost all aspects of hemophilia treatment have vastly improved patient care and management, and new and emerging treatments hold the promise of further progress. However, there remains a scarcity of data on long-term outcomes in hemophilia, particularly among those patients with inhibitors, for whom no validated outcome assessment tools are currently available. At the 15th Zürich Haemophilia Forum, an expert panel reviewed the most important outcome measures in inhibitor patients and considered the challenges associated with assessing outcomes in this population. A framework for outcome assessment in inhibitor patients incorporates traditional hemophilia outcome measures, such as bleed frequency and mortality, alongside measures of health, functioning, disability, social participation, quality of life, and economic considerations. It is important to remember that inhibitor patients differ in their clinical needs, perspectives, and priorities according to age, inhibitor status, degree of joint disease, and activity levels; as a result, the relative importance of different outcome measures will change throughout an inhibitor patient's life. Challenges inherent in measuring long-term outcomes in inhibitor patients include the small number of known patients, the subjective nature of many outcome assessment tools, and the risk of overburdening patients with repeated requests to complete questionnaires or participate in studies. Therefore, there is an urgent need to reach consensus on the most important and appropriate assessment tools for measuring outcomes in this population. These tools should ideally be standardized, easily applied, and internationally applicable in order to collect and generate quality outcome data.
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Inibidores dos Fatores de Coagulação Sanguínea/sangue , Fator IX/efeitos adversos , Fator VIII/efeitos adversos , Hemofilia A/epidemiologia , Hemofilia B/epidemiologia , Isoanticorpos/sangue , Proteínas Recombinantes/efeitos adversos , Adolescente , Adulto , Fatores Etários , Idoso , Inibidores dos Fatores de Coagulação Sanguínea/imunologia , Criança , Pré-Escolar , Efeitos Psicossociais da Doença , Fator IX/imunologia , Fator IX/uso terapêutico , Fator VIII/imunologia , Fator VIII/uso terapêutico , Hemofilia A/sangue , Hemofilia A/tratamento farmacológico , Hemofilia B/sangue , Hemofilia B/tratamento farmacológico , Humanos , Isoanticorpos/imunologia , Pessoa de Meia-Idade , Avaliação de Resultados da Assistência ao Paciente , Proteínas Recombinantes/imunologia , Proteínas Recombinantes/uso terapêutico , Adulto JovemRESUMO
Haemophilia remains a complex disorder to diagnose and manage, requiring close cooperation between multidisciplinary healthcare professionals. There are still many unmet challenges in haemophilia care. The first Team Haemophilia Education (THE) meeting, held on 7-8 May 2015 in Amsterdam, The Netherlands, aimed to promote the optimal care of haemophilia patients through education of the multidisciplinary treatment team. This was achieved by reviewing the latest developments in haemophilia management, considering how these can be implemented in the clinic to improve patient care and providing a platform for networking and debate for all haemophilia treatment team members. Haemophilia treatment centres from several countries were asked to complete a premeeting online questionnaire to establish the biggest challenges that they face when managing patients. The concerns expressed were used to develop the agenda, which comprised a combination of formal presentations, case studies and informal workshops covering such topics as pharmacokinetics, laboratory assays and tailoring of treatment to individual patients. This report is a summary of the key developments in haemophilia care presented by various investigators and healthcare professionals at THE meeting 2015.
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Hemofilia A/terapia , Hemofilia B/terapia , Atenção à Saúde , Gerenciamento Clínico , Educação Médica Continuada , Custos de Cuidados de Saúde , Hemofilia A/prevenção & controle , Hemofilia B/prevenção & controle , Humanos , Países Baixos , Equipe de Assistência ao Paciente , Pré-Medicação , Resultado do TratamentoRESUMO
BACKGROUND AND AIMS: Register-based research suggests a shared pathophysiology between inflammatory bowel disease [IBD] and spondyloarthritis [SpA], but the role of familial [genetic and environmental] factors in this shared susceptibility is largely unknown. We compared the risk of SpA in first-degree relatives [FDRs] and spouses of IBD patients with FDRs and spouses of matched population-based reference individuals. METHODS: We identified 147,080 FDRs and 25,945 spouses of patients with incident IBD [N=39,203] during 2006-2016 and 1,453,429 FDRs and 258,098 spouses of matched reference individuals [N=390,490], by linking nationwide Swedish registers and gastrointestinal biopsy data. Study participants were followed 1987-2017. Cox regression was used to estimate hazard ratios [HRs] of SpA. RESULTS: During follow-up, 2,430 FDRs of IBD patients [6.5/10,000 person-years] and 17,761 FDRs of reference individuals [4.8/10,000 person-years] were diagnosed with SpA, corresponding to an HR of 1.35 [95%CI:1.29,1.41]. In subgroup analyses, the increased risk of SpA was most pronounced in FDRs of Crohn's disease patients [HR=1.44; 95%CI:1.34,1.56] and of IBD patients aged <18 years at diagnosis [HR=1.46; 95%CI: 1.27,1.68]. IBD patient's spouses also had a higher SpA rate than reference individuals' spouses, but the difference was less pronounced [4.3 vs. 3.5/10,000 person-years; HR=1.22; 95%CI:1.09,1.37]. No subgroup-specific risk pattern was identified among spouses. CONCLUSIONS: The observed shared familial risks between IBD and SpA support shared genetic factors in their pathogenesis. However, spouses of IBD patients were also at increased risk for SpA, reflecting the influence of environmental exposures or similarities in health-seeking patterns.
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BACKGROUND: We aimed to explore the epidemiology of inflammatory bowel diseases [IBD] in association with the COVID-19 pandemic in two countries with different lockdown policies. METHODS: We utilized nationwide IBD cohorts in Israel and Sweden to explore the incidence of IBD during the pandemic compared to 3 years prior [2017-2019]. We examined temporal trends through the presence of inflection points by Joinpoint regression analysis and reported average monthly percentage changes [AMPC]. RESULTS: A total of 155 837 patients with IBD were included [Israel, 58 640; Sweden, 97 197]. The annual incidence of IBD was stable until 2019 in both countries but then decreased in Israel (AAPC -16.6% [95% confidence interval, CI, -19.9% to -10.0%]) and remained stable in Sweden (AAPC -3.5% [95% CI -11.6% to 3.7%]). When exploring the monthly incidence during the pandemic, in Israel the rate remained stable until November 2020 (AMPC 2.3% [95% CI -13.4% to 29.9%]) and then decreased sharply (AMPC -6.4% [95% CI -20.8% to 17.0%] until February 2021 and to -20.1% [95% CI -38.9% to -4.7%] from February 2021), while in Sweden, which had a less stringent lockdown policy, it decreased slightly until July 2020 (AMPC -3.3% [95% CI -21.6% to 20.3%]), but increased thereafter (AMPC 13.6% [95% CI -12.6% to 27.0%]). The change of incidence rate in Sweden occurred mainly in elderly-onset patients, the only population with significant restrictions during the pandemic. CONCLUSION: The incidence of IBD decreased during the pandemic in association with lockdowns, more so in Israel, which had more stringent policies. Future studies are needed to determine the long-term effect of the pandemic on IBD.
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COVID-19 , Doenças Inflamatórias Intestinais , Humanos , COVID-19/epidemiologia , COVID-19/prevenção & controle , Suécia/epidemiologia , Incidência , Masculino , Doenças Inflamatórias Intestinais/epidemiologia , Feminino , Israel/epidemiologia , Adulto , Pessoa de Meia-Idade , Estudos de Coortes , Adulto Jovem , Adolescente , SARS-CoV-2 , Idoso , PandemiasRESUMO
OBJECTIVES: To determine the prevalence of HIV and related behavioural risks among Iranian female sex workers (FSW) via the first national biobehavioural surveillance survey. METHODS: In 2010, 1005 FSW were approached and 872 recruited using facility-based sampling from 21 sites in 14 cities in Iran. We collected dried blood samples and conducted face-to-face interviews using a standardised questionnaire. Data were weighted based on the response rate and adjusted for the clustering effect of the sampling site. Adjustment was performed by weighting based on the sampling fraction of each site using a prior estimate of its total size of the FSW population. RESULTS: The prevalence of HIV infection (95% CI) was 4.5% (2.4 to 8.3) overall, 4.8% (2.2 to 9.8) among those who had reported a history of drug use and 11.2% (5.4 to 21.5) among those who had a history of injection drug use. The frequencies of condom use in the last sexual act with paying clients and non-paying partners were 57.1% and 36.3%, respectively. Any drug use was reported by 73.8% of participants, and among this subgroup, 20.5% had a history of injection drug use. CONCLUSIONS: The prevalence of HIV was considerable among FSW particularly those who had a history of drug injection. A combination of prevention efforts addressing unsafe sex and injection are needed to prevent further transmission of HIV infection.
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Preservativos/estatística & dados numéricos , Infecções por HIV/prevenção & controle , Tratamento de Substituição de Opiáceos/métodos , Profissionais do Sexo , Comportamento Sexual/estatística & dados numéricos , Abuso de Substâncias por Via Intravenosa/prevenção & controle , Adolescente , Adulto , Distribuição por Idade , Analgésicos Opioides/uso terapêutico , Ensaio de Imunoadsorção Enzimática , Feminino , Infecções por HIV/epidemiologia , Infecções por HIV/psicologia , Redução do Dano , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Irã (Geográfico)/epidemiologia , Metadona/uso terapêutico , Razão de Chances , Prevalência , Medição de Risco , Assunção de Riscos , Profissionais do Sexo/psicologia , Profissionais do Sexo/estatística & dados numéricos , Comportamento Sexual/psicologia , Abuso de Substâncias por Via Intravenosa/complicações , Abuso de Substâncias por Via Intravenosa/epidemiologia , Inquéritos e QuestionáriosRESUMO
OBJECTIVES: To assess the prevalence of HIV and related risk behaviours among people who inject drugs (PWID) in Iran. METHODS: We conducted a national cross-sectional bio-behavioural surveillance survey between March and July 2010, interviewing male PWID from a geographically dispersed sample through a facility-based sampling method. RESULTS: We recruited 2480, and tested 2290 PWID. The overall prevalence of HIV was 15.2% (95% CI 9.7% to 23.1%). Among those who had injected drugs over the last month, 36.9% had used a non-sterile needle, and 12.6% had practiced shared injection. Over the past 12 months preceding the interview, 30.4% had sold sex for money, drugs, goods or a favour. In the multivariate analysis, the prevalence of HIV had a positive association with age, while having above high school education, and permanent job were protective. CONCLUSIONS: Unsafe injection, and sexual risk behaviours are still frequent and the prevalence of HIV among PWID remains high. Intensified efforts are needed to prevent the further spread of HIV among Iranian PWID and their sexual partners.
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Infecções por HIV/epidemiologia , Abuso de Substâncias por Via Intravenosa/epidemiologia , Sexo sem Proteção/estatística & dados numéricos , Adolescente , Adulto , Estudos Transversais , Infecções por HIV/prevenção & controle , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Irã (Geográfico)/epidemiologia , Masculino , Vigilância da População , Prevalência , Fatores de Risco , Parceiros Sexuais , Inquéritos e QuestionáriosRESUMO
INTRODUCTION: Conduct disorder is a psychiatric diagnosis characterized by repetitive and persistent norm-breaking behavior. This study aimed to compare the risk of conduct disorder between first- and second-generation immigrant children and adolescents and their native controls. METHODS: In this nationwide, open-cohort study from Sweden, participants were born 1987-2010, aged 4-16 years at baseline, and were living in the country for at least one year during the follow-up period between 2001 and 2015. The sample included 1,902,526 and 805,450 children-adolescents with native and immigrant backgrounds, respectively. Data on the conduct disorder diagnoses were retrieved through the National Patient Register. We estimated the incidence of conduct disorder and calculated adjusted Hazard Ratios. RESULTS: Overall, the adjusted risk of conduct disorder was lower among first-generation immigrants and most second-generation immigrant groups compared with natives (both males and females). However, second-generation immigrants with a Swedish-born mother and a foreign-born father had a higher risk of conduct disorder than natives. Similar results were found for sub-diagnoses of conduct disorder. CONCLUSIONS: The higher risk of conduct disorder among second-generation immigrants with a Swedish-born mother and the lower risk among most of the other immigrant groups warrants special attention and an investigation of potential underlying mechanisms.
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Transtorno da Conduta , Emigrantes e Imigrantes , Adolescente , Criança , Estudos de Coortes , Transtorno da Conduta/epidemiologia , Feminino , Humanos , Incidência , Masculino , Suécia/epidemiologiaRESUMO
BACKGROUND: Studies on the incidence of Attention Deficit Hyperactivity Disorder (ADHD) among immigrant children and adolescents is limited and results are mixed. The aim of this study was to compare the ADHD risk between first- and second-generation immigrants aged 4-16 years and their native peers in Sweden. METHODS: This was an open nationwide retrospective cohort study. We included 1,902,526 native and 805,450 children and adolescents with an immigrant background, born 1987-2010, and aged 4-16 years at baseline. We identified participants using national population data and participants were observed until they received an ADHD diagnosis in the National Patient Register, turned 18 years, migrated, died, or until the end of the study, whichever came first. ADHD risks were adjusted for birth year and age and maternal income at baseline. RESULTS: For both males and females, the ADHD risk was lower among most immigrant groups. However, the combination of a Swedish-born mother and foreign-born father was associated with an increased risk of ADHD. The ADHD risk varied substantially between immigrants from different regions of the world. For example, immigrants from other Scandinavian countries, North America, and Latin America and the Caribbean had higher rates of ADHD compared with natives. CONCLUSIONS: Future research should examine the underlying factors behind the differences in ADHD risks between certain immigrant subgroups and natives, such as family structure, cultural and language barriers and potential differences in health care utilization among immigrant families.
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Transtorno do Deficit de Atenção com Hiperatividade/epidemiologia , Emigrantes e Imigrantes/estatística & dados numéricos , Adolescente , Criança , Pré-Escolar , Estudos de Coortes , Feminino , Humanos , Masculino , Estudos Retrospectivos , Suécia/epidemiologiaRESUMO
Differences in public health approaches to control the coronavirus disease 2019 (COVID-19) pandemic could largely explain substantial variations in epidemiological indicators (such as incidence and mortality) between the West and the East. COVID-19 revealed vulnerabilities of most western countries' healthcare systems in their response to the ongoing public health crisis. Hence, western countries can possibly learn from practices from several East Asian countries regarding infrastructures, epidemiological surveillance and control strategies to mitigate the public health impact of the pandemic. In this paper, we discuss that the lack of rapid and timely community-centered approaches, and most importantly weak public health infrastructures, might have resulted in a high number of infected cases and fatalities in many western countries.
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COVID-19/prevenção & controle , COVID-19/terapia , Controle de Doenças Transmissíveis/métodos , Internacionalidade , Saúde Pública/métodos , Humanos , Pandemias , SARS-CoV-2RESUMO
Golestan province located in NE Iran is well known for deadly flash floods. This study aimed to evaluate the region's Early Warning System (EWS) for flash floods. We used an adapted version of the questionnaire developed by the United Nations International Strategy for Disaster Reduction. We reviewed documents on the EWS of Golestan, and conducted a qualitative study comprising interviews with experts and affected people in Kalaleh and Minoodasht. Results were discussed by an expert panel. Regarding risk knowledge, there was a hazard map at Provincial Disaster Taskforce (PDT) drawn by the provincial Office for Water Resource Management, but no risk analysis was available. Local people were aware of their exposure to flooding, but not aware of the existence of a hazard map and their vulnerability situation. In terms of monitoring and warning, PDT faced serious limitations in issuing Early Warnings, including (1) an inability to make point predictions of rainfall, and (2) the absence of a warning threshold. Dissemination and communication issued by the Meteorological Office followed a top-to-bottom direction. The contents were neither clearly understood by other institutions nor reached the potential recipients within an appropriate time frame. There was a need for a comprehensive response plan with adequate exercises, and no evaluation framework existed. Golestan EWS is in dire need of improvement. To fill in the gaps ensuring local people receive timely warning, we propose a community-based model called "Village Disaster Taskforce" (VDT) in which individual villages act as operational units, but interlinked with other villages and PDT.
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Defesa Civil/métodos , Planejamento em Desastres/métodos , Monitoramento Ambiental/métodos , Inundações , Conhecimentos, Atitudes e Prática em Saúde , Opinião Pública , Medição de Risco/métodos , Irã (Geográfico) , Inquéritos e QuestionáriosRESUMO
In Iran, People Who Inject Drugs (PWID), Female Sex Workers (FSW), and prisoners are the main key populations at risk of HIV infection. This study aimed to evaluate the trend of HIV incidence among PWID, FSW and prisoners as an impact measure of HIV harm reduction and prevention efforts in Iran. Data were obtained from the two rounds of national bio-behavioral surveillance surveys among FSW (2010 (n = 872), 2015 (n = 1339)), PWID (2010 (n = 2417), 2014 (n = 2307)), and prisoners (2009 (n = 4536), 2013 (n = 5390)) through facility-based (FSW and PWID surveys) and cluster sampling (prisoner surveys). Time-at-risk was calculated assuming the age at first sex or drug injection as the beginning of the at-risk period and the age at the time of the interview or date when they received a positive HIV test result as the end of this period, adjusted for interval censoring. HIV incidence among PWID in 2014 was 5.39 (95% CI 4.71, 6.16) per 1,000 person-years (PY), significantly lower than in 2009 (17.07, 95% CI 15.34, 19.34). Similarly, HIV incidence was 1.12 (95% CI 0.77, 1.64) per 1,000 PY among FSW in 2015, a significant drop from 2010 (2.38, 95% CI 1.66, 3.40). Also, HIV incidence decreased among prisoners from 1.34 (95% CI: 1.08, 1.67) in 2009 to 0.49 (95% CI: 0.39, 0.61) per 1,000 PY in 2013. Our findings suggest that after an increase in the 2000s, the HIV incidence may have been decreased and stabilized among key populations in Iran.
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Usuários de Drogas , Infecções por HIV/epidemiologia , Prisioneiros , Profissionais do Sexo , Estudos Transversais , Usuários de Drogas/estatística & dados numéricos , Feminino , Humanos , Incidência , Irã (Geográfico)/epidemiologia , Masculino , Prisioneiros/estatística & dados numéricos , Medição de Risco/tendências , Profissionais do Sexo/estatística & dados numéricos , Inquéritos e QuestionáriosRESUMO
BACKGROUND: Iran has a concentrated HIV epidemic among people who inject drugs (PWID). Low HIV testing uptake could contribute to the significant number HIV-infected PWID, who go undiagnosed. This study aims to assess HIV testing uptake and its correlates among PWID in Iran. METHODS: Data were collected through a national cross-sectional bio-behavioral study in 2010. Adult male HIV-negative PWID were included in the current analysis. All estimates were adjusted for the clustering effect of the sampling sites. Multivariable logistic regression was used to examine the correlates of recent HIV testing and adjusted odds ratios (AOR) were reported. RESULTS: Out of the 2146 eligible PWID for this study, 49.8% reported having ever tested for HIV. However, only 24.9% had tested in the previous year and received their test results. Around 65.2% of PWID knew an HIV testing site. In the multivariable analysis, knowing an HIV testing site (AOR=13.9; P-value<0.001), ≥24 years of age (AOR=3.30; P-value=0.027), and multiple incarcerations (AOR=1.71; P-value<0.001) were positively, and a monthly income of ≥65 US dollar (AOR=0.23; P-value=0.009) was negatively associated with having been tested and received the results. CONCLUSION: Despite the availability of free HIV counselling and testing for PWID in Iran, only one-fourth of adult male PWID had been tested for HIV and received their results. Implementing policies and strategies to normalize routine HIV testing among PWID are crucial steps to help curb the epidemic among Iranian PWID.
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Testes Diagnósticos de Rotina/estatística & dados numéricos , Infecções por HIV/diagnóstico , Abuso de Substâncias por Via Intravenosa/epidemiologia , Adulto , Aconselhamento , Estudos Transversais , Epidemias , Humanos , Renda , Irã (Geográfico)/epidemiologia , Modelos Logísticos , Masculino , Análise Multivariada , Adulto JovemRESUMO
INTRODUCTION: Female sex workers (FSWs) are the second most affected population by HIV in Iran. However, their HIV testing practices are poorly understood. The aim of this study was to investigate testing and its associated factors among HIV negative FSWs. MATERIALS AND METHODS: Using facility based sampling, 1005 FSWs were recruited in 14 cities of Iran in 2010. Biological and survey data were collected through dried blood spot testing and standardized risk assessment questionnaire, respectively. In this paper, the prevalence of HIV testing and its correlates were explored among 714 HIV-negative FSWs using descriptive statistics and logistic regression models. RESULTS: Overall 65.4% had not tested in the past year. Only 27.5% had tested in the past year and received their results. FSWs who perceived themselves at risk of HIV (Adjusted Odds Ratio (AOR) = 8.35, 95% CI: 1.46, 47.6), had received free condom during past year (AOR = 3.90, 95% CI: 1.67, 9.14), started sex work at an older age (AOR18-24 = 2.83, 95% CI: 1.14, 7.0; AOR >24 = 2.76, 95% CI: 1.11, 6.84), and knew an HIV testing site (AOR = 5.67, 95% CI: 2.60, 12.4) had a significantly higher chance of having a recent HIV test result. CONCLUSIONS: Less than one third of FSWs in Iran knew their recent HIV status. Interventions to help FSWs evaluate their potential risk for HIV and integrate HIV testing services in condom distribution programs, could be viable strategies in increasing HIV testing uptake among FSWs. Health policy makers should also try to de-stigmatize HIV testing, identify the barriers to HIV testing, and make HIV testing sites more visible to FSWs.
Assuntos
Infecções por HIV/diagnóstico , Soropositividade para HIV/diagnóstico , Comportamentos Relacionados com a Saúde , Conhecimentos, Atitudes e Prática em Saúde , Trabalho Sexual , Profissionais do Sexo , Adolescente , Adulto , Feminino , Inquéritos Epidemiológicos , Humanos , Irã (Geográfico) , Programas de Rastreamento , Assunção de Riscos , Adulto JovemRESUMO
UNLABELLED: Background In this study data of three national surveys conducted among female sex workers (FSW), prison inmates and people who inject drugs (PWID) were presented and compared in relation to knowledge, attitude, and practises. METHODS: The surveys were conducted in 2009 and 2010 and included 2546 PWID, 872 FSW and 5530 prison inmates. Knowledge, attitude and practises towards HIV were measured through similar questions for each category. RESULTS: Over 90% of all participants had ever heard of HIV/AIDS, although only approximately half of them perceived themselves at risk of contracting HIV. More than 80% were able to correctly identify the ways of preventing the sexual transmission of HIV; while more than two-thirds did not use condom in their last sexual contact. Approximately 20% of prisoners and FSW had a history of injecting drugs. Among all participants who have injected drugs, prisoners had the highest unsafe injecting behaviour at the last injection (61%), followed by FSW (11%) and PWID (3%). CONCLUSIONS: Despite major efforts to control the HIV epidemic in Iran, the level of risk and vulnerability among prisoners, FSW and PWID is still high. The level of comprehensive knowledge about HIV/AIDS is relatively good; however, their risk perception of contracting HIV is low and high-risk behaviours are prevalent. Therefore, HIV prevention programs should be redesigned in a more comprehensive way to identify the best venues to reach the largest number of people at a higher risk of contracting HIV and decrease their risk overlaps and vulnerability factors.