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2.
Am J Med Sci ; 366(5): 321-329, 2023 11.
Article in English | MEDLINE | ID: mdl-37619894

ABSTRACT

BACKGROUND: To prepare for rollout of a COVID-19 vaccine in fall 2020, there was an urgent need to understand barriers to ensuring equitable access and addressing vaccine skepticism and resistance. This study aimed to understand the association between trusted sources of COVID-19 information and likelihood of vaccination during that time, focusing on lessons learned to prepare for future public health crises. METHODS: From December 2020-March 2021, we surveyed a probability-based, cross-sectional sample of 955 patients across seven federally qualified health centers (FQHCs) serving predominantly low-income, Black and White populations in southeastern Louisiana. Vaccination likelihood was measured on a 7-point scale; "very likely to vaccinate" was defined as score=7. Trust in healthcare provider was measured with a single survey item. High trust in personal contacts, government, and media, respectively, were defined as the highest tertiles of summative scores of trust items. Weighted multivariable logistic regression estimated adjusted odds ratios (aOR) and 95% confidence intervals (CI) for being very likely to vaccinate. RESULTS: Participants were 56% Black, 64% women, mean age 44.6 years; 33% were very likely to vaccinate. High trust in healthcare provider (aOR=4.14, 95% CI 2.26-7.57) and government sources (aOR=3.23, 95% CI 1.98-5.28) were associated with being very likely to vaccinate. CONCLUSIONS: During initial COVID-19 vaccination rollout, trust in healthcare providers and government sources of COVID-19 information was associated with likelihood to vaccinate in FQHC patients. To inform public health planning for future crises, we highlight lessons learned for translating community-relevant insights into direct action to reach those most impacted.


Subject(s)
COVID-19 Vaccines , COVID-19 , United States , Humans , Female , Adult , Male , COVID-19 Vaccines/therapeutic use , Cross-Sectional Studies , COVID-19/epidemiology , COVID-19/prevention & control , Probability , Vaccination
3.
Am J Med Sci ; 366(4): 254-262, 2023 10.
Article in English | MEDLINE | ID: mdl-37517691

ABSTRACT

BACKGROUND: Diverse, equitable and inclusive participation in clinical research is needed to ensure evidence-based clinical practice and lessen disparities in health outcomes. Yet, clinical trial participation remains critically low in minoritized communities, particularly among Blacks. The Louisiana Community Engagement Alliance against COVID-19 Disparities (LA-CEAL) was launched in response to the disproportionate impact of COVID-19 on Black Louisianans to understand community barriers and preferences and increase inclusive participation in research. This study aims to understand perceptions regarding COVID-19 trial participation among underrepresented Louisianans. METHODS: A rapid assessment integrating cross-sectional, surveys among federally qualified health center (FQHC) patients and community residents, and focus group discussions (FGDs) from community representatives was conducted in 2020-2021. Factors and perceptions underlying trial participation were identified using logistic regression models and thematic analyses, respectively. RESULTS: Quantitative findings (FQHC: N=908, mean age=46.6 years, 66.4% Black; community: N=504, mean age=54.2 years, 93.7% Black) indicated that 0.9% and 3.6%, respectively, ever participated in a COVID-19 trial. Doctors/Healthcare providers were most trusted (FQHC=55.1%; community=59.3%) sources of information about trials. Advancing age was associated with increased odds of being very willing to participate (ORFQHC=1.03, 95% CI 1.02-1.05; ORCommunity=1.02, 95% CI 1.00-1.04). Qualitative data (6 FGDs, 29 attendees) revealed limited awareness, experimentation/exploitation-based fears, and minimal racial/ethnic representation among trialists as barriers to participation. CONCLUSION: COVID-19 trial participation rates were low in our sample. Altruism was a key facilitator to participation; fear, mistrust, and low awareness were predominant barriers. Community-centered approaches, engaging informed providers and trusted community members, may facilitate inclusive trial participation.


Subject(s)
COVID-19 , Humans , Middle Aged , Qualitative Research , Cross-Sectional Studies , COVID-19/epidemiology , Focus Groups , Louisiana
4.
Front Med (Lausanne) ; 10: 1094280, 2023.
Article in English | MEDLINE | ID: mdl-37332764

ABSTRACT

Introduction: Multimorbidity and health-related quality of life (HRQoL) are intimately linked. Multiple chronic conditions may adversely affect physical and mental functioning, while poorer HRQoL may contribute to the worsening course of diseases. Understanding mechanisms through which specific combinations of diseases affect HRQoL outcomes can facilitate identification of factors which are amenable to intervention. Jamaica, a middle-income country with high multimorbidity prevalence, has a health service delivery system dominated by public sector provision via a broad healthcare network. This study aims to examine whether multimorbidity classes differentially impact physical and mental dimensions of HRQoL in Jamaicans and quantify indirect effects on the multimorbidity-HRQoL relationship that are mediated by health system factors pertaining to financial healthcare access and service use. Materials and methods: Latent class analysis (LCA) was used to estimate associations between multimorbidity classes and HRQoL outcomes, using latest available data from the nationally representative Jamaica Health and Lifestyle Survey 2007/2008 (N = 2,551). Multimorbidity measurement was based on self-reported presence/absence of 11 non-communicable diseases (NCDs). HRQoL was measured using the 12-item short-form (SF-12) Health Survey. Mediation analyses guided by the counterfactual approach explored indirect effects of insurance coverage and service use on the multimorbidity-HRQoL relationship. Results: LCA revealed four profiles, including a Relatively Healthy class (52.7%) characterized by little to no morbidity and three multimorbidity classes characterized by specific patterns of NCDs and labelled Metabolic (30.9%), Vascular-Inflammatory (12.2%), and Respiratory (4.2%). Compared to the Relatively Healthy class, Vascular-Inflammatory class membership was associated with lower physical functioning (ß = -5.5; p < 0.001); membership in Vascular-Inflammatory (ß = -1.7; p < 0.05), and Respiratory (ß = -2.5; p < 0.05) classes was associated with lower mental functioning. Significant mediated effects of health service use, on mental functioning, were observed for Vascular-Inflammatory (p < 0.05) and Respiratory (p < 0.05) classes. Conclusion: Specific combinations of diseases differentially impacted HRQoL outcomes in Jamaicans, demonstrating the clinical and epidemiological value of multimorbidity classes for this population, and providing insights that may also be relevant to other settings. To better tailor interventions to support multimorbidity management, additional research is needed to elaborate personal experiences with healthcare and examine how health system factors reinforce or mitigate positive health-seeking behaviours, including timely use of services.

5.
Article in English | MEDLINE | ID: mdl-37174257

ABSTRACT

The Georgia Community Engagement Alliance (CEAL) Against COVID-19 Disparities Project conducts community-engaged research and outreach to address misinformation and mistrust, to promote inclusion of diverse racial and ethnic populations in clinical trials and increase testing and vaccination uptake. Guided by its Community Coalition Board, The GEORGIA CEAL Survey was administered among Black and Latinx Georgia 18 years and older to learn about community knowledge, perceptions, understandings, and behaviors regarding COVID-19 testing and vaccines. Survey dissemination occurred using survey links generated through Qualtrics and disseminated among board members and other statewide networks. Characteristics of focus counties were (a) highest proportion of 18 years and older Black and Latinx residents; (b) lowest COVID-19 testing rates; and (c) highest SVI values. The final sample included 2082 surveyed respondents. The majority of participants were men (57.1%) and Latinx (62.8%). Approximately half of the sample was aged 18-30 (49.2%); the mean age of the sample was 33.2 years (SD = 9.0), ranging from 18 to 82 years of age. Trusted sources of COVID-19 information that significantly predicted the likelihood of vaccination included their doctor/health care provider (p-value: 0.0054), a clinic (p-value: 0.006), and university hospitals (p-value: 0.0024). Latinx/non-Latinx, Blacks vs. Latinx, Whites were significantly less likely to get tested and/or vaccinated. Non-Latinx, Blacks had higher mean knowledge scores than Latinx, Whites (12.1 vs. 10.9, p < 0.001) and Latinx, Blacks (12.1 vs. 9.6, respectively, p < 0.001). The mean knowledge score was significantly lower in men compared to women (10.3 vs. 11.0, p = 0.001), in those who had been previously tested for COVID-19 compared to those who had never been tested (10.5 vs. 11.5, respectively, p = 0.005), and in those who did not receive any dose of vaccination compared to those who were fully vaccinated (10.0 vs. 11.0, respectively, p < 0.001). These data provide a benchmark for future comparisons of the trajectory of public attitudes and practices related to the COVID-19 pandemic. They also point to the importance of tailoring communication strategies to specific cultural, racial, and ethnic groups to ensure that community-specific barriers to and determinants of health-seeking behaviors are appropriately addressed.


Subject(s)
COVID-19 , Pandemics , Male , Humans , Female , Adult , Adolescent , Young Adult , Middle Aged , Aged , Aged, 80 and over , Pandemics/prevention & control , COVID-19 Testing , Georgia/epidemiology , COVID-19/epidemiology , White
6.
Med Clin North Am ; 107(6S): e39-e52, 2023 Nov.
Article in English | MEDLINE | ID: mdl-38609280

ABSTRACT

Uncontrolled hypertension and low antihypertensive medication adherence remain significant clinical challenges. There is a critical need to detect meaningful change in adherence in clinical settings. The authors determined that a ≥2-point change in the 4-item Krousel-Wood Medication Adherence Scale score represents meaningful change in antihypertensive medication adherence. Among a sample of participants in an ongoing clinical trial, 5.9% experienced a decline in adherence, which was associated with higher blood pressure (BP) and a higher prevalence of uncontrolled BP at 6 months. Meaningful change in medication adherence behavior may be key in managing hypertension to improve BP control and health outcomes.


Subject(s)
Antihypertensive Agents , Hypertension , Adult , Humans , Antihypertensive Agents/therapeutic use , Hypertension/drug therapy , Hypertension/epidemiology , Medication Adherence
7.
Curr Opin Cardiol ; 37(4): 307-316, 2022 07 01.
Article in English | MEDLINE | ID: mdl-35731675

ABSTRACT

PURPOSE OF REVIEW: Enabled by widespread technological advancements, electronic health (eHealth) strategies have expanded rapidly over the last decade, presenting opportunities to support self-management including medication adherence for cardiometabolic disease control. eHealth can minimize access barriers to medications, enable timely assessment and shared decision-making, and provide medication reminders and health data feedback. This review summarizes current evidence for effectiveness of eHealth strategies for improving medication adherence in patients with hypertension, type 2 diabetes, and/or hyperlipidemia, and identifies priorities for future research. RECENT FINDINGS: Current research supports the effectiveness of eHealth strategies to improve medication adherence and clinical outcomes for cardiometabolic disease. Although patient acceptability of eHealth strategies is generally high, engagement may decline over time. In addition, differences in effectiveness across intervention characteristics and sociodemographic groups are understudied, limiting generalizability and tailoring of interventions to local health system resources, culture, and patient needs or preferences. SUMMARY: eHealth is a promising tool for addressing low medication adherence. Further work incorporating rigorous evaluation, assessment of patient engagement over time and effectiveness of intervention characteristics and components, and a health equity lens addressing eHealth use in vulnerable groups will increase understanding of the full potential of eHealth for improving medication adherence in diverse patients with cardiometabolic disease.


Subject(s)
Cardiovascular Diseases , Diabetes Mellitus, Type 2 , Telemedicine , Cardiovascular Diseases/drug therapy , Diabetes Mellitus, Type 2/drug therapy , Electronics , Humans , Medication Adherence , Patient Participation
8.
Am J Hypertens ; 35(3): 256-263, 2022 03 08.
Article in English | MEDLINE | ID: mdl-34788786

ABSTRACT

BACKGROUND: In search of innovative approaches to the challenge of uncontrolled hypertension, we assessed the association between preference for immediate gratification (i.e., high discounting rate), low medication adherence, and uncontrolled blood pressure (BP) in adults with hypertension. METHODS: Using a probability discounting model and the Collier-Williams hypothetical discount rate framework, participants in this cross-sectional study reported their preference for a smaller amount of money available immediately (high discount rate; immediate gratification preference) vs. a larger amount available 1 year later (low discount rate; delayed gratification preference). Multivariable Poisson regression was used to test the association of high discounting rates with low antihypertensive medication adherence using the validated 4-item Krousel-Wood Medication Adherence Scale (K-Wood-MAS-4 score ≥1). Mediation of the association between high discounting rate and uncontrolled BP (systolic/diastolic BP ≥ 130/80 mm Hg) by low adherence was tested using the counterfactual approach. RESULTS: Among 235 participants (mean age 63.7 ± 6.7 years; 51.1% women; 41.9% Black), 50.6% had a high 1-year discount rate, 51.9% had low K-Wood-MAS-4 adherence, and 59.6% had uncontrolled BP. High discounting rates were associated with low adherence (adjusted prevalence ratio 1.58, 95% confidence interval (CI) 1.18, 2.12). Forty-three percent (95% CI 40.9%, 45.8%) of the total effect of high discount rate on uncontrolled BP was mediated by low adherence. CONCLUSIONS: Adults with preference for immediate gratification had worse adherence; low adherence partially mediated the association of high discount rate with uncontrolled BP. These results support preference for immediate gratification as an innovative factor underlying low medication adherence and uncontrolled BP.


Subject(s)
Hypertension , Pleasure , Adult , Aged , Antihypertensive Agents/pharmacology , Antihypertensive Agents/therapeutic use , Blood Pressure , Cross-Sectional Studies , Female , Humans , Hypertension/complications , Hypertension/diagnosis , Hypertension/drug therapy , Male , Medication Adherence , Middle Aged
9.
BMC Public Health ; 21(1): 1197, 2021 06 23.
Article in English | MEDLINE | ID: mdl-34162349

ABSTRACT

BACKGROUND: Non-communicable disease (NCD) multimorbidity is associated with impaired functioning, lower quality of life and higher mortality. Susceptibility to accumulation of multiple NCDs is rooted in social, economic and cultural contexts, with important differences in the burden, patterns, and determinants of multimorbidity across settings. Despite high prevalence of individual NCDs within the Caribbean region, exploration of the social epidemiology of multimorbidity remains sparse. This study aimed to examine the social determinants of NCD multimorbidity in Jamaica, to better inform prevention and intervention strategies. METHODS: Latent class analysis (LCA) was used to examine social determinants of identified multimorbidity patterns in a sample of 2551 respondents aged 15-74 years, from the nationally representative Jamaica Health and Lifestyle Survey 2007/2008. Multimorbidity measurement was based on self-reported presence/absence of 11 chronic conditions. Selection of social determinants of health (SDH) was informed by the World Health Organization's Commission on SDH framework. Multinomial logistic regression models were used to estimate the association between individual-level SDH and class membership. RESULTS: Approximately one-quarter of the sample (24.05%) were multimorbid. LCA revealed four distinct profiles: a Relatively Healthy class (52.70%), with a single or no morbidity; and three additional classes, characterized by varying degrees and patterns of multimorbidity, labelled Metabolic (30.88%), Vascular-Inflammatory (12.21%), and Respiratory (4.20%). Upon controlling for all SDH (Model 3), advancing age and recent healthcare visits remained significant predictors of all three multimorbidity patterns (p < 0.001). Private insurance coverage (relative risk ratio, RRR = 0.63; p < 0.01) and higher educational attainment (RRR = 0.73; p < 0.05) were associated with lower relative risk of belonging to the Metabolic class while being female was a significant independent predictor of Vascular-Inflammatory class membership (RRR = 2.54; p < 0.001). Material circumstances, namely housing conditions and features of the physical and neighbourhood environment, were not significant predictors of any multimorbidity class. CONCLUSION: This study provides a nuanced understanding of the social patterning of multimorbidity in Jamaica, identifying biological, health system, and structural determinants as key factors associated with specific multimorbidity profiles. Future research using longitudinal designs would aid understanding of disease trajectories and clarify the role of SDH in mitigating risk of accumulation of diseases.


Subject(s)
Multimorbidity , Quality of Life , Caribbean Region , Cross-Sectional Studies , Female , Humans , Jamaica/epidemiology , Latent Class Analysis , Social Class , Social Determinants of Health
10.
Am J Hypertens ; 34(9): 895-909, 2021 09 22.
Article in English | MEDLINE | ID: mdl-33693474

ABSTRACT

Interventions targeting traditional barriers to antihypertensive medication adherence have been developed and evaluated, with evidence of modest improvements in adherence. Translation of these interventions into population-level improvements in adherence and clinical outcomes among older adults remains suboptimal. From the Cohort Study of Medication Adherence among Older adults (CoSMO), we evaluated traditional barriers to antihypertensive medication adherence among older adults with established hypertension (N = 1,544; mean age = 76.2 years, 59.5% women, 27.9% Black, 24.1% and 38.9% low adherence by proportion of days covered (i.e., PDC <0.80) and the 4-item Krousel-Wood Medication Adherence Scale (i.e., K-Wood-MAS-4 ≥1), respectively), finding that they explained 6.4% and 14.8% of variance in pharmacy refill and self-reported adherence, respectively. Persistent low adherence rates, coupled with low explanatory power of traditional barriers, suggest that other factors warrant attention. Prior research has investigated explicit attitudes toward medications as a driver of adherence; the roles of implicit attitudes and time preferences (e.g., immediate vs. delayed gratification) as mechanisms underlying adherence behavior are emerging. Similarly, while associations of individual-level social determinants of health (SDOH) and medication adherence are well reported, there is growing evidence about structural SDOH and specific pathways of effect. Building on published conceptual models and recent evidence, we propose an expanded conceptual framework that incorporates implicit attitudes, time preferences, and structural SDOH, as emerging determinants that may explain additional variation in objectively and subjectively measured adherence. This model provides guidance for design, implementation, and assessment of interventions targeting sustained improvement in implementation medication adherence and clinical outcomes among older women and men with hypertension.


Subject(s)
Antihypertensive Agents , Hypertension , Medication Adherence , Aged , Antihypertensive Agents/therapeutic use , Cohort Studies , Female , Humans , Hypertension/drug therapy , Male , Self Report
11.
J Am Heart Assoc ; 10(6): e018986, 2021 03 16.
Article in English | MEDLINE | ID: mdl-33660523

ABSTRACT

Background In pursuit of novel mechanisms underlying persistent low medication adherence rates, we assessed contributions of implicit and explicit attitudes, beyond traditional risk factors, in explaining variation in objective and subjective antihypertensive medication adherence. Methods and Results Implicit and explicit attitudes were assessed using the difference scores from the computer-based Single Category Implicit Association Test and the Necessity and Concerns subscales of the Beliefs about Medicines Questionnaire, respectively. Antihypertensive medication adherence was measured using pharmacy refill proportion of days covered (PDC: mean PDC, low PDC <0.8) and the self-report 4-item Krousel-Wood Medication Adherence Scale (K-Wood-MAS-4: mean K-Wood-MAS-4, low adherence via K-Wood-MAS-4 ≥1). Hierarchical logistic and linear regression models controlled for traditional risk factors including social determinants of health, explicit, and implicit attitudes in a stepwise fashion. Community-dwelling insured participants (n=85: 44.7% female; 20.0% Black; mean age, 62.3 years; 43.5% low PDC, and 31.8% low adherence via K-Wood-MAS-4) had mean (SD) explicit and implicit attitude scores of 7.188 (5.683) and 0.035 (0.334), respectively. Low PDC was inversely associated with more positive explicit (adjusted odds ratio [aOR], 0.87; 95% CI, 0.78-0.98; P=0.022) and implicit (aOR, 0.12; 95% CI, 0.02-0.80; P=0.029) attitudes, which accounted for an additional 8.6% (P=0.016) and 6.5% (P=0.029) of variation in low PDC, respectively. Lower mean K-Wood-MAS-4 scores (better adherence) were associated only with more positive explicit attitudes (adjusted ß, -0.04; 95% CI, -0.07 to -0.01; P=0.026); explicit attitudes explained an additional 5.6% (P=0.023) of K-Wood-MAS-4 variance. Conclusions Implicit and explicit attitudes explained significantly more variation in medication adherence beyond traditional risk factors, including social determinants of health, and should be explored as potential mechanisms underlying adherence behavior.


Subject(s)
Antihypertensive Agents/therapeutic use , Attitude , Hypertension/drug therapy , Medication Adherence , Pharmacy , Self Report , Aged , Aged, 80 and over , Female , Humans , Male , Middle Aged , Surveys and Questionnaires
12.
J Hypertens ; 39(1): 153-161, 2021 01.
Article in English | MEDLINE | ID: mdl-32675745

ABSTRACT

OBJECTIVE: The aim of this study was to determine the association of low antihypertensive medication adherence with decline in health-related quality of life (HRQOL) over 1 year. METHODS: We used data from older men and women with hypertension (n = 1525) enrolled in the Cohort Study of Medication Adherence among Older Adults. Adherence was measured using the validated self-report four-item Krousel-Wood Medication Adherence Scale (K-Wood-MAS-4) (low adherence = score ≥1) and prescription refill-based proportion of days covered (PDC) (low adherence = PDC < 0.80). We defined decline in HRQOL as a decrease in Mental Component Summary (MCS) or Physical Component Summary (PCS) score (from the RAND 36-Item Health Survey 1.0 administered at two time points - at the time of adherence assessment and 1 year later) equivalent to the minimal important difference (MID) for each respective summary score, calculated as the average of MID estimates derived from distribution and anchor-based approaches. RESULTS: The prevalence of low adherence was 38.6% using the K-Wood-MAS-4 and 23.9% using PDC. On the basis of mean MID estimates of 4.40 for MCS and 5.16 for PCS, 21.8 and 25.2% of participants experienced a decline in MCS and PCS, respectively, over 1 year. Low adherence was associated with a decline in MCS for K-Wood-MAS-4 [prevalence ratio = 1.32, 95% confidence interval (95% CI) 1.08-1.62, P = 0.008], but not PDC (prevalence ratio  = 1.17, 95% CI 0.94-1.47, P = 0.168). Low adherence was not associated with decline in PCS (K-Wood-MAS-4: prevalence ratio  = 0.95, 95% CI 0.79-1.16; PDC: prevalence ratio  = 1.10, 95% CI 0.90-1.35). CONCLUSION: Low self-report medication adherence is associated with decline in mental HRQOL over 1 year in older adults with hypertension.


Subject(s)
Hypertension , Quality of Life , Aged , Antihypertensive Agents/therapeutic use , Cohort Studies , Female , Humans , Hypertension/drug therapy , Hypertension/epidemiology , Male , Medication Adherence
13.
PLoS One ; 15(7): e0236034, 2020.
Article in English | MEDLINE | ID: mdl-32702046

ABSTRACT

BACKGROUND: Evidence suggests that the single-disease paradigm does not accurately reflect the individual experience, with increasing prevalence of chronic disease multimorbidity, and subtle yet important differences in types of co-occurring diseases. Knowledge of multimorbidity patterns can aid clarification of individual-level burden and needs, to inform prevention and treatment strategies. This study aimed to estimate the prevalence of multimorbidity in Jamaica, identify population subgroups with similar and distinct disease profiles, and examine consistency in patterns identified across statistical techniques. METHODS: Latent class analysis (LCA) was used to examine multimorbidity patterns in a sample of 2,551 respondents aged 15-74 years, based on data from the nationally representative Jamaica Health and Lifestyle Survey 2007/2008 and self-reported presence/absence of 11 chronic conditions. Secondary analyses compared results with patterns identified using exploratory factor analysis (EFA). RESULTS: Nearly one-quarter of the sample (24.1%) were multimorbid (i.e. had ≥2 diseases), with significantly higher burden in females compared to males (31.6% vs. 16.1%; p<0.001). LCA revealed four distinct classes, including a predominant Relatively Healthy class, comprising 52.7% of the sample, with little to no morbidity. The remaining three classes were characterized by varying degrees and patterns of multimorbidity and labelled Metabolic (30.9%), Vascular-Inflammatory (12.2%), and Respiratory (4.2%). Four diseases determined using physical assessments (obesity, hypertension, diabetes, hypercholesterolemia) were primary contributors to multimorbidity patterns overall. EFA identified three patterns described as "Vascular" (hypertension, obesity, hypercholesterolemia, diabetes, stroke); "Respiratory" (asthma, COPD); and "Cardio-Mental-Articular" (cardiovascular disease, arthritis, mental disorders). CONCLUSION: This first study of multimorbidity in the Caribbean has revealed a high burden of co-existing conditions in the Jamaican population, that is predominantly borne by females. Consistency across methods supports the validity of patterns identified. Future research into the causes and consequences of multimorbidity patterns can guide development of clinical and public health strategies that allow for targeted prevention and intervention.


Subject(s)
Latent Class Analysis , Multimorbidity , Adolescent , Adult , Aged , Asthma/complications , Asthma/epidemiology , Asthma/pathology , Cardiovascular Diseases/complications , Cardiovascular Diseases/epidemiology , Cardiovascular Diseases/pathology , Female , Humans , Hypertension/complications , Hypertension/epidemiology , Hypertension/pathology , Jamaica/epidemiology , Male , Mental Disorders/complications , Mental Disorders/epidemiology , Mental Disorders/pathology , Middle Aged , Prevalence , Self Report , Sex Factors , Young Adult
14.
PLoS One ; 13(9): e0204344, 2018.
Article in English | MEDLINE | ID: mdl-30235324

ABSTRACT

BACKGROUND: Hypertension has been identified as the single greatest contributor to the global burden of disease and mortality, with estimates suggesting that the highest levels of blood pressure have shifted from high-income countries to low-income countries in sub-Saharan Africa. While evidence suggests a remarkably high prevalence of hypertension among urban residents in Namibia, national estimates to inform on the country-level burden are lacking. This study estimates the prevalence and predictors of hypertension among Namibian adults. METHODS: The analysis is based on 1,795 women and 1,273 men aged 35-64 years from the nationally-representative 2013 Namibia Demographic and Health Survey. Odds radios and 95% confidence intervals were estimated using logistic regression. RESULTS: The age-standardized prevalence of hypertension was 46.0% (men vs. women: 46.1% vs. 46.0%). Mean systolic and diastolic blood pressures for the total population were 128.8 mmHg (95% CI 127.8-129.7) and 83.1 mmHg (95% CI 82.5-83.7), respectively. Mean systolic blood pressure was significantly lower among women (men vs. women: 130.9 mmHg vs. 127.4 mmHg; p<0.001). There were no statistically significant differences in mean diastolic blood pressure between men and women. Older age, urban residence, and being either overweight or obese were positively associated with the odds of hypertension (p<0.01). For women, the odds of hypertension were also significantly increased for those who were diabetic (i.e. had a fasting blood glucose level greater than 7.0 mmol/L) and reduced for those with higher levels of education. CONCLUSION: The prevalence of hypertension among Namibian adults is high and associated with metabolic and socio-demographic factors. Future research examining disease comorbidity and behavioral risk factors could better inform on the disease burden and help target resources to optimize prevention and control.


Subject(s)
Hypertension/epidemiology , Adult , Cross-Sectional Studies , Female , Humans , Hypertension/diagnosis , Hypertension/prevention & control , Male , Middle Aged , Namibia/epidemiology , Prevalence , Prognosis
15.
BMC Public Health ; 18(1): 648, 2018 05 22.
Article in English | MEDLINE | ID: mdl-29788951

ABSTRACT

BACKGROUND: We describe hospital-based management of acute ischaemic stroke patients in 2010-2013 in Barbados, by comparing documented treatment given in the single tertiary public hospital with international guideline recommendations. METHODS: Evidence-based stroke management guidelines were identified through a systematic literature search. Comparisons were made between these guidelines and documented diagnostic practice (all strokes) and prescribed medication (ischaemic stroke only), using a combination of key informant interviews and national stroke registry data for 2010-2013. RESULTS: Several published international guidelines for the acute management of ischaemic stroke recommended patient management in a dedicated stroke unit or nearest hospital specialised in stroke care. Further, patients should receive clinical diagnosis, CT brain scan, specialist evaluation by a multidisciplinary team and, if eligible, thrombolysis with alteplase within 3-3.5 h of symptom onset. Subsequent secondary prophylaxis, with a platelet aggregation inhibitor and a statin was advised. Barbados had no stroke unit or stroke team, and no official protocol for acute stroke management during the study period. Most of the 1735 stroke patients were managed by emergency physicians at presentation; if admitted, they were managed on general medical wards. Most had a CT scan (1646; 94.9%). Of 1406 registered ischaemic stroke patients, only 6 (0.4%) had been thrombolysed, 521 (37.1%) received aspirin within 24 h of admission and 670 (47.7%) were prescribed aspirin on discharge. CONCLUSIONS: Acute ischaemic stroke diagnosis was consistent with international recommendations, although this was less evident for treatment. While acknowledging the difficulty in implementing international guidelines in a low-resource setting, there is scope for improvement in acute ischaemic stroke management and/or its documentation in Barbados. A stroke unit was established in August 2013 and written clinical protocols for acute stroke care were in development at the time of the study; future registry data will evaluate their impact. Our findings have implications for other low-resource settings with high stroke burden.


Subject(s)
Brain Ischemia/therapy , Guideline Adherence/statistics & numerical data , Practice Guidelines as Topic , Stroke/therapy , Adolescent , Adult , Aged , Aged, 80 and over , Barbados , Female , Hospitals, Public , Humans , Male , Middle Aged , Tertiary Care Centers , Young Adult
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