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S. Tollman · SciRah

Researcher profile · Semantic Scholar

S. Tollman

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S. Tollman — researcher profile on SciRah

h-index: 67
Works: 360
Citations: 17K

Most-cited papers

Community-based antibiotic access and use in six low-income and middle-income countries: a mixed-method approach
N. Do, H. Vu, C. T. Nguyễn, S. Punpuing +30 more
2021Lancet Global Health228 citations Open access
Semantic Scholar
SARS-CoV-2 Seroprevalence in a Rural and Urban Household Cohort during First and Second Waves of Infections, South Africa, July 2020–March 2021
J. Kleynhans, S. Tempia, N. Wolter, A. von Gottberg +15 more
2021Emerging Infectious Diseases86 citations Open access
Semantic Scholar
Genetic substructure and complex demographic history of South African Bantu speakers
Dhriti Sengupta, A. Choudhury, Cesar A. Fortes-Lima, S. Aron +13 more
2020Nature Communications80 citations Open access
Semantic Scholar
Measurement of kidney function in Malawi, South Africa, and Uganda: a multicentre cohort study.
J. Fabian, R. Kalyesubula, J. Mkandawire, C. Hansen +15 more
2022Lancet Global Health72 citations Open access
Semantic Scholar
Regional Patterns and Association Between Obesity and Hypertension in Africa
O. Akpa, F. Made, A. Ojo, B. Ovbiagele +35 more
2020HYPERTENSION70 citations Open access
Semantic Scholar
HIV self-testing among young women in rural South Africa: A randomized controlled trial comparing clinic-based HIV testing to the choice of either clinic testing or HIV self-testing with secondary distribution to peers and partners
A. Pettifor, S. Lippman, L. Kimaru, N. Haber +10 more
2020EClinicalMedicine69 citations Open access
Semantic Scholar
Internal migration and health in South Africa: determinants of healthcare utilisation in a young adult cohort
Carren Ginsburg, M. Collinson, F. Gómez-Olivé, Mark Gross +7 more
2021BMC Public Health60 citations Open access
Semantic Scholar
Hypertension and diabetes control along the HIV care cascade in rural South Africa
J. Manne-Goehler, M. Siedner, L. Montana, G. Harling +10 more
2019Journal of the International AIDS Society56 citations Open access
Semantic Scholar
Building knowledge, optimising physical and mental health and setting up healthier life trajectories in South African women (Bukhali): a preconception randomised control trial part of the Healthy Life Trajectories Initiative (HeLTI)
S. Norris, C. Draper, A. Prioreschi, C. Smuts +32 more
2022BMJ Open52 citations Open access
Semantic Scholar
Meta-analysis of sub-Saharan African studies provides insights into genetic architecture of lipid traits
A. Choudhury, Jean-Tristan Brandenburg, T. Chikowore, Dhriti Sengupta +18 more
2022Nature Communications45 citations Open access
Semantic Scholar
Social contact, social support, and cognitive health in a population-based study of middle-aged and older men and women in rural South Africa
G. Harling, Lindsay C. Kobayashi, Meagan T. Farrell, Ryan G. Wagner +2 more
2020Social Science & Medicine (1967)43 citations Open access
Semantic Scholar
SARS-CoV-2 transmission, persistence of immunity, and estimates of Omicron’s impact in South African population cohorts
Kai-Yuan Sun, S. Tempia, J. Kleynhans, A. von Gottberg +17 more
2022Science Translational Medicine42 citations Open access
Semantic Scholar
External injuries, trauma and avoidable deaths in Agincourt, South Africa: a retrospective observational and qualitative study
I. Edem, A. Dare, P. Byass, L. D’Ambruoso +5 more
2019BMJ Open42 citations Open access
Semantic Scholar
Racial and Ethnic Differences in the Association Between Classical Cardiovascular Risk Factors and Common Carotid Intima‐Media Thickness: An Individual Participant Data Meta‐Analysis
E. Nonterah, N. Crowther, K. Klipstein-Grobusch, Abraham R. Oduro +22 more
2022Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease34 citations Open access
Semantic Scholar
Epilepsy care cascade, treatment gap and its determinants in rural South Africa
Ryan G. Wagner, C. Kabudula, L. Forsgren, F. Ibinda +4 more
2020Seizure32 citations Open access
Semantic Scholar
Adverse childhood experiences and domain-specific cognitive function in a population-based study of older adults in rural South Africa
Lindsay C. Kobayashi, Meagan T. Farrell, Collin F. Payne, S. Mall +5 more
2020Psychology and Aging32 citations Open access
Semantic Scholar
Rapidly shifting immunologic landscape and severity of SARS-CoV-2 in the Omicron era in South Africa
Kai-Yuan Sun, S. Tempia, J. Kleynhans, A. von Gottberg +21 more
2023Nature Communications29 citations Open access
Semantic Scholar
SARS-CoV-2 Seroprevalence after Third Wave of Infections, South Africa
J. Kleynhans, S. Tempia, N. Wolter, A. von Gottberg +15 more
2022Emerging Infectious Diseases29 citations Open access
Semantic Scholar
Essential health services delivery in South Africa during COVID-19: Community and healthcare worker perspectives
S. Lalla-Edward, A. Mosam, J. Hove, A. Erzse +8 more
2022Frontiers in Public Health27 citations Open access
Semantic Scholar
Multimorbidity and mortality in an older, rural black South African population cohort with high prevalence of HIV findings from the HAALSI Study
Alisha N. Wade, Collin F. Payne, L. Berkman, Angela Chang +7 more
2021BMJ Open27 citations Open access
Semantic Scholar
SARS-CoV-2 incidence, transmission and reinfection in a rural and an urban setting: results of the PHIRST-C cohort study, South Africa, 2020–2021
C. Cohen, J. Kleynhans, A. von Gottberg, M. McMorrow +18 more
2021medRxiv27 citations Open access
Semantic Scholar
Chronic kidney disease (CKD) and associated risk in rural South Africa: a population-based cohort study
J. Fabian, M. Gondwe, N. Mayindi, S. Chipungu +10 more
2022Wellcome Open Research26 citations Open access
Semantic Scholar
Estimating the burden of cardiovascular risk in community dwellers over 40 years old in South Africa, Kenya, Burkina Faso and Ghana
Ryan G. Wagner, N. Crowther, L. Micklesfield, P. Boua +7 more
2021BMJ Global Health26 citations Open access
Semantic Scholar
Time-critical conditions: assessment of burden and access to care using verbal autopsy in Agincourt, South Africa
Andrew Fraser, Jessica Newberry Le Vay, P. Byass, S. Tollman +3 more
2020BMJ Global Health25 citations Open access
Semantic Scholar
“We Were Afraid”: Mental Health Effects of the COVID-19 Pandemic in Two South African Districts
Teurai Rwafa-Ponela, Jessica Price, A. Nyatela, Sizwe Nqakala +8 more
2022International Journal of Environmental Research and Public Health23 citations Open access
Semantic Scholar
Cohort profile: A Prospective Household cohort study of Influenza, Respiratory syncytial virus and other respiratory pathogens community burden and Transmission dynamics in South Africa, 2016–2018
C. Cohen, M. McMorrow, N. Martinson, K. Kahn +23 more
2021Influenza and Other Respiratory Viruses23 citations Open access
Semantic Scholar
COVID-19 vaccine hesitancy in rural South Africa: Deepening understanding to increase uptake and access
K. Kahn, A. Pettifor, Palesa Mataboge, Nicole K. Kelly +6 more
2022Journal of Global Health22 citations Open access
Semantic Scholar
Carotid Atherosclerosis, Microalbuminuria, and Estimated 10-Year Atherosclerotic Cardiovascular Disease Risk in Sub-Saharan Africa
E. Nonterah, Daniel Boateng, N. Crowther, K. Klipstein-Grobusch +10 more
2022JAMA Network Open22 citations Open access
Semantic Scholar
Poor cardiovascular health is associated with subclinical atherosclerosis in apparently healthy sub-Saharan African populations: an H3Africa AWI-Gen study
E. Nonterah, N. Crowther, A. Oduro, Godfred Agongo +12 more
2021BMC Medicine21 citations Open access
Semantic Scholar
Protective Behaviors and Secondary Harms Resulting From Nonpharmaceutical Interventions During the COVID-19 Epidemic in South Africa: Multisite, Prospective Longitudinal Study
G. Harling, F. Gómez-Olivé, J. Tlouyamma, T. Mutevedzi +17 more
2020JMIR Public Health and Surveillance21 citations Open access
Semantic Scholar
Collective reflections on the first cycle of a collaborative learning platform to strengthen rural primary healthcare in Mpumalanga, South Africa
Maria van der Merwe, L. D’Ambruoso, S. Witter, R. Twine +5 more
2021Health Research Policy and Systems20 citations Open access
Semantic Scholar
Concordance between fasting plasma glucose and HbA1c in the diagnosis of diabetes in black South African adults: a cross-sectional study
Alisha N. Wade, N. Crowther, S. Abrahams-Gessel, L. Berkman +8 more
2021BMJ Open18 citations Open access
Semantic Scholar
Diagnostic accuracy of semiquantitative point of care urine albumin to creatinine ratio and urine dipstick analysis in a primary care resource limited setting in South Africa
S. Currin, M. Gondwe, N. Mayindi, S. Chipungu +4 more
2021BMC Nephrology18 citations Open access
Semantic Scholar
A community mobilization intervention to improve engagement in HIV testing, linkage to care, and retention in care in South Africa: a cluster-randomized controlled trial
S. Lippman, A. Pettifor, M. K. Dufour, C. Kabudula +15 more
2022The Lancet HIV16 citations Open access
Semantic Scholar
Pension exposure and health: Evidence from a longitudinal study in South Africa
Carlos Riumallo Herl, C. Kabudula, K. Kahn, S. Tollman +1 more
2022The Journal of the Economics of Ageing16 citations Open access
Semantic Scholar
Cohort Profile Update: Cognition and dementia in the Health and Aging in Africa Longitudinal Study of an INDEPTH community in South Africa (HAALSI dementia).
D. Bassil, Meagan T. Farrell, Ryan G. Wagner, A. Brickman +7 more
2021International Journal of Epidemiology16 citations Open access
Semantic Scholar
Mortality transition over a quarter century in rural South Africa: findings from population surveillance in Agincourt 1993-2018
C. Kabudula, B. Houle, D. Ohene-Kwofie, Daniel Mahlangu +5 more
2021Global Health Action16 citations Open access
Semantic Scholar
Developing and evaluating a frailty index for older South Africans—findings from the HAALSI study
F. Barker, J. Davies, F. Gómez-Olivé, K. Kahn +7 more
2021Age and Ageing16 citations Open access
Semantic Scholar
Paradox of HIV stigma in an integrated chronic disease care in rural South Africa: Viewpoints of service users and providers
S. Ameh, L. D’Ambruoso, F. Gómez-Olivé, K. Kahn +2 more
2020PLoS ONE15 citations Open access
Semantic Scholar
Indirect effects of COVID-19 on maternal and child health in South Africa
E. Thsehla, Adam Balusik, M. Boachie, Winfrida Tombe-Mdewa +7 more
2023Global Health Action14 citations Open access
Semantic Scholar
Obesity is South Africa's new HIV epidemic.
N. Chandiwana, W. Venter, J. Manne-Goehler, Alisha N Wade +69 more
2024South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde12 citations Open access
Semantic Scholar
Self-Reported Physical Activity in Middle-Aged and Older Adults in Rural South Africa: Levels and Correlates
S. Tomaz, J. Davies, L. Micklesfield, Alisha N. Wade +4 more
2020International Journal of Environmental Research and Public Health12 citations Open access
Semantic Scholar
Opening decision spaces: A case study on the opportunities and constraints in the public health sector of Mpumalanga Province, South Africa
S. Witter, Maria van der Merwe, R. Twine, D. Mabetha +4 more
2021PLoS ONE11 citations Open access
Semantic Scholar
Validation of Oxford Cognitive Screen: Executive Function (OCS-EF), a tablet-based executive function assessment tool amongst adolescent females in rural South Africa.
Kirsten Rowe, M. Duta, N. Demeyere, Ryan G. Wagner +5 more
2021International Journal of Psychology11 citations Open access
Semantic Scholar
Evaluating chronic kidney disease in rural South Africa: comparing estimated glomerular filtration rate using point-of-care creatinine to iohexol measured GFR
S. Currin, M. Gondwe, N. Mayindi, S. Chipungu +6 more
2021Clinical Chemistry and Laboratory Medicine11 citations Open access
Semantic Scholar
The impact of HIV status on the distance traveled to health facilities and adherence to care. A record-linkage study from rural South Africa
Paul Mee, B. Rice, C. Kabudula, S. Tollman +2 more
2020Journal of Global Health11 citations Open access
Semantic Scholar
Protective behaviours and secondary harms from non-pharmaceutical interventions during the COVID-19 epidemic in South Africa: a multisite prospective longitudinal study
G. Harling, F. Gómez-Olivé, J. Tlouyamma, T. Mutevedzi +17 more
2020medRxiv11 citations Open access
Semantic Scholar
Genome-wide Association Study Meta-analysis of Blood Pressure Traits and Hypertension in Sub-Saharan African Populations: An AWI-Gen Study
Surina Singh, A. Choudhury, S. Hazelhurst, N. Crowther +13 more
2023Research Square10 citations Open access
Semantic Scholar
Cognitive differences associated with HIV serostatus and antiretroviral therapy use in a population-based sample of older adults in South Africa
Stephen B. Asiimwe, Meagan T. Farrell, Lindsay C. Kobayashi, J. Manne-Goehler +9 more
2020Scientific Reports10 citations Open access
Semantic Scholar
Effects of pension eligibility expansion on men’s cognitive function: findings from rural South Africa
Janet Jock, Lindsay C. Kobayashi, R. Chakraborty, Xi-Wei Chen +6 more
2023Journal of Aging & Social Policy9 citations Open access
Semantic Scholar

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