- Blood Pressure and Hypertension Studies
- Sodium Intake and Health
- Nutritional Studies and Diet
- Obesity, Physical Activity, Diet
- Global Public Health Policies and Epidemiology
- Cardiovascular Health and Risk Factors
- Cardiovascular Health and Disease Prevention
- Birth, Development, and Health
- Food Security and Health in Diverse Populations
- Heart Rate Variability and Autonomic Control
- Health disparities and outcomes
- Mobile Health and mHealth Applications
- Cardiovascular Disease and Adiposity
- Child and Adolescent Health
- Gestational Diabetes Research and Management
- Adolescent Sexual and Reproductive Health
- Child Nutrition and Water Access
- Primary Care and Health Outcomes
- HIV-related health complications and treatments
- Health Promotion and Cardiovascular Prevention
- Cardiac Health and Mental Health
- Behavioral Health and Interventions
- HIV/AIDS Research and Interventions
- Physical Activity and Health
- Diabetes Management and Education
University of the Witwatersrand
2018-2025
Pathways Behavioral Services
2021-2025
South African Medical Research Council
2018-2025
Chris Hani Baragwanath Hospital
2020-2024
National Research Foundation
2022
North-West University
2014-2021
Glory (Japan)
2021
Lunenfeld-Tanenbaum Research Institute
2021
University of Cape Town
2020
California State University, Sacramento
2017-2018
Mental health problems among adults are a growing public concern, and middle-income countries such as South Africa disproportionally affected. Using large scale nationally representative weighted survey, we assessed the prevalence of probable depression, anxiety, adverse childhood experiences (ACEs), explored associations between ACEs, socio-economic status, demographic characteristics.
There is a need for cost-effective weight management interventions that primary care can deliver to reduce the morbidity caused by obesity. Automated web-based might provide solution, but evidence suggests they may be ineffective without additional human support. The main aim of this study was carry out feasibility trial intervention in care, comparing different levels nurse support, determine optimal combination and personal support tested full trial. This an individually randomised four...
In June 2016, the Republic of South Africa introduced legislation for mandatory limits upper sodium content permitted in a wide range processed foods. We assessed levels packaged foods during one-year period leading up to implementation date legislation. Data on nutritional composition was obtained from nutrition information panels food labels through both in-store surveys and crowdsourcing by users HealthyFood Switch mobile phone app between 2015 August 2016. Summary were calculated 15...
South Africa's evolving burden of disease is challenging due to a persistent infectious disease, burgeoning obesity, most notably among women and rising rates non-communicable diseases (NCDs). With two thirds presenting at their first antenatal visit either overweight or obese in urban Africa (SA), the preconception period an opportunity optimise health offset transgenerational risk both obesity NCDs.
Diabetes prevalence is increasing rapidly in rural areas of low- and middle-income countries (LMICs), but there are limited data on the performance health systems delivering equitable effective care to populations. We therefore assessed rural-urban differences diabetes control LMICs.We pooled individual-level from nationally representative surveys 42 countries. used Poisson regression models estimate age-adjusted proportion individuals with versus urban achieving measures for diagnosis,...
Abstract Objective: To investigate food insecurity and related coping strategies among South African households their associations with anxiety depression. Design: Cross-sectional study. Food were assessed using a modified Community Childhood Hunger Identification Project the Coping Strategies Index questionnaires. The Generalized Anxiety Disorder-7 Patient Health Questionnaire-9 used to assess depression risk. Ordered logistic regressions test of Setting: Africa during COVID-19, October...
Background: Web-based programs are a potential medium for supporting weight loss because of their accessibility and wide reach. Research is warranted to determine the shorter- longer-term effects these in relation other health outcomes. Objective: The aim was evaluate component service (Imperative Health) an overweight/obese population at risk cardiovascular disease (CVD) using randomized controlled design true control group. Methods: A total 65 adults high CVD were randomly allocated 1 2...
South Africa implemented legislation in June 2016 mandating maximum sodium (Na) levels processed foods. A pre-post impact evaluation assessed whether the interim legislative approach reduced salt intake and blood pressure. Baseline Na was a nested cohort of WHO Study on global AGEing adult health (WHO-SAGE) Wave 2 (Aug-Dec 2015). 24-hour urine samples were collected random subsample (n = 1,299; which n 750 considered valid (volume ≥ 300 mL creatinine 4 mmol/day (women) or 6 (men)))....
To address the need for preconception health interventions in low- and middle-income countries, Healthy Life Trajectories Initiative (HeLTI) was launched Soweto, South Africa to optimise young women's physical mental establish healthier trajectories themselves and, where relevant, next generation. As part of HeLTI trial, Bukhali intervention utilises Conversation Skills (HCS) approach promote behaviour change with 18–28-year-old women. The aim this article is report on process evaluation...
Abstract The May Measurement Month (MMM) campaign was carried out in South Africa 2022 with the aim of raising awareness raised blood pressure (BP). Here, we report on findings campaign. Adults aged ≥ 18 years were recruited opportunistically at university campuses, community centres, schools, sport complexes, public parks, shopping hospitals, and through household visits. Three seated BP readings taken for each participant, along completion a questionnaire demographics, lifestyle factors,...
Background: Internet-based physical activity (PA) and weight management programs have the potential to improve employees' health in large occupational settings.To be successful, program must engage a wide range of employees, especially those at risk gain or ill health. Objective:The aim study was assess use nonuse (user attrition) Web-based monitoring device-based PA employees determine if engagement with related baseline characteristics measured outcomes.Methods: Longitudinal observational...
Abstract Objective: To determine whether food security, diet diversity and quality are associated with anthropometric measurements body composition among women of reproductive age. The association between security anaemia prevalence was also tested. Design: Secondary analysis cross-sectional data from the Healthy Life Trajectories Initiative (HeLTI) study. Food dietary were collected by an interviewer-administered questionnaire. Hb levels measured using a HemoCue, classified as...
Central (aortic) systolic blood pressure (cSBP) is the seen by heart, brain, and kidneys. If properly measured, cSBP closer associated with hypertension-mediated organ damage prognosis, as compared brachial SBP (bSBP). We investigated 24-hour profiles of bSBP cSBP, measured simultaneously using Mobilograph devices, in 2423 untreated adults (1275 women; age, 18–94 years), free from overt cardiovascular disease, aiming to develop reference values analyze daytime-nighttime variability. was...
Abstract Background In South Africa, the prevalence of gestational diabetes (GDM) is growing, concomitant with dramatically increasing overweight/obesity among women. There an urgent need to develop tailored interventions support women GDM mitigate pregnancy risks and prevent progression type 2 post-partum. The IINDIAGO study aims evaluate intervention for disadvantaged attending three large, public-sector hospitals antenatal care in Cape Town Soweto, SA. This paper offers a detailed...
The objective of this study was to adapt the design our weight management intervention needs, expectations and capabilities potential users. In 1, we interviewed 25 people about their experiences management. findings these interviews were combined with from existing theory research in a process 'intervention planning' that informed intervention. Study 2 comprised in-depth think-aloud studies further 16 interested using web-based manage weight, order elicit reactions techniques materials....
Introduction Attempting to curb the rising epidemic of hypertension, South Africa implemented legislation in June 2016 mandating maximum sodium levels a range manufactured foods that contribute significantly population salt intake. This natural experiment, comparing two African countries with and without legislation, will provide timely information on impact legislative approaches addressing food supply improve blood pressure populations. article outlines design this ongoing prospective...