🏆 Finalist — NIH Data Sharing Index (“S-Index”) Challenge

Andrew Copas

University College London

ORCID: 0000-0001-8968-5963
MedicineImmunology and Microbiology

Pilot corpus only

This score is computed over theSindex pilot corpus and does not cover the full scientific literature. Scores are relative to papers we have ingested — papers, authors, and institutions outside the pilot are not represented. Methodology.

Top 4%percentile
0.592Author DataRank

Indexed papers

2in pilot corpus
datarank_citation_only_1hop_v6· scope data_onlyMethodology
Why this DataRank?

An author's DataRank is the sum of the DataRanks of all 2 indexed papers attributed to them. A prolific author with many moderate-impact papers can outrank one with a single high-impact paper.

Author scores recompute whenever paper DataRanks are refreshed, so this number lags the underlying paper scores by at most one batch run.

Read the full methodology →

Top data-sharing exemplar

The highest-impact dataset this researcher has shared, ranked by DataRank — the single contribution doing the most to lift their data-sharing standing.

Prevalence of Curable Sexually Transmitted Infections in a Population-Representative Sample of Young Adults in a High HIV Incidence Area in South Africa

Sexually Transmitted Diseases(2023)10.1097/olq.0000000000001871
Top 33%
0.592DataRank
Top 33%15 citations

Glory Chidumwa, Natsayi Chimbindi, Nonhlanhla Okesola, Jaco Dreyer, Theresa Smit +13 more

Papers

Driven by 17 papers — median percentile 33. Top paper: “Imiquimod versus podophyllotoxin, with and without human papillomavirus vaccine, for anogenital warts: the HIPvac factorial RCT”.

Imiquimod versus podophyllotoxin, with and without human papillomavirus vaccine, for anogenital warts: the HIPvac factorial RCT

Health Technology Assessment(2020)10.3310/hta24470
N/A
1.6DataRank · unranked
33 citations

Diarmuid Nugent, Kate Bennett, Caroline J Doré, Macey L. Murray, Jade Meadows +10 more

Effectiveness of integrating HIV prevention within sexual reproductive health services with or without peer support among adolescents and young adults in rural KwaZulu-Natal, South Africa (Isisekelo Sempilo): 2 × 2 factorial, open-label, randomised controlled trial

The Lancet HIV(2024)10.1016/s2352-3018(24)00119-x
N/A
0.722DataRank · unranked
20 citations

Natsayi Chimbindi, Jacob Busang, Glory Chidumwa, Nondumiso Thandiwe Mthiyani, Carina Herbst +19 more

An interactive website to aid young women’s choice of contraception: feasibility and efficacy RCT

Health Technology Assessment(2020)10.3310/hta24560
N/A
0.619DataRank · unranked
13 citations

Julia Bailey, Ann Blandford, Nataliya Brima, Andrew Copas, Preethy D’Souza +6 more

Prevalence of Curable Sexually Transmitted Infections in a Population-Representative Sample of Young Adults in a High HIV Incidence Area in South Africa

Sexually Transmitted Diseases(2023)10.1097/olq.0000000000001871
Top 33%
0.592DataRank
Top 33%15 citations

Glory Chidumwa, Natsayi Chimbindi, Nonhlanhla Okesola, Jaco Dreyer, Theresa Smit +13 more

Isisekelo Sempilo study protocol for the effectiveness of HIV prevention embedded in sexual health with or without peer navigator support (Thetha Nami) to reduce prevalence of transmissible HIV amongst adolescents and young adults in rural KwaZulu-Natal: a 2 × 2 factorial randomised controlled trial

BMC Public Health(2022)10.1186/s12889-022-12796-8
N/A
0.570DataRank · unranked
24 citations

Natsayi Chimbindi, Carina Herbst, Nonhlanhla Okeselo, Jaco Dreyer, Thembelihle Zuma +13 more

Thetha Nami ngithethe nawe (Let’s Talk): a stepped-wedge cluster randomised trial of social mobilisation by peer navigators into community-based sexual health and HIV care, including pre-exposure prophylaxis (PrEP), to reduce sexually transmissible HIV amongst young people in rural KwaZulu-Natal, South Africa

BMC Public Health(2023)10.1186/s12889-023-16262-x
N/A
0.550DataRank · unranked
29 citations

Thembelihle Zuma, Carina Herbst, Nonhlanhla Okesola, Natsayi Chimbindi, Jaco Dreyer +23 more

Person‐centred HIV care and prevention for youth in rural South Africa: preliminary implementation findings from Thetha Nami ngithethe nawe stepped‐wedge trial of peer‐navigator mobilization into mobile sexual health services

Journal of the International AIDS Society(2025)10.1002/jia2.70032
N/A
0.234DataRank · unranked
3 citations

Nqobile Ngoma, Thembelihle Zuma, Carina Herbst, Nonhlanhla Okesola, Natsayi Chimbindi +13 more

Thetha Nami ngithethe nawe (Let’s Talk): a stepped-wedge cluster randomised trial of social mobilisation by peer navigators into community-based sexual health and HIV care, including pre-exposure prophylaxis (PrEP), to reduce sexually transmissible HIV amongst young people in rural KwaZulu-Natal, South Africa

Research Square(2023)10.21203/rs.3.rs-2804513/v1
N/A
0.104DataRank · unranked
1 citations

Thembelihle Zuma, Carina Herbst, Nonhlanhla Okeselo, Natsayi Chimbindi, Jaco Dreyer +23 more

Demystifying estimands in cluster-randomised trials

arXiv (Cornell University)(2023)10.48550/arxiv.2303.13960
N/A
0DataRank · unranked
1 citations

Bryan S. Blette, Michael O. Harhay, Scott D. Halpern, Vipul Jairath, Andrew Copas +2 more

Demystifying estimands in cluster-randomised trials

Statistical Methods in Medical Research(2024)10.1177/09622802241254197
N/A
0DataRank · unranked
26 citations

Bryan S. Blette, Michael O. Harhay, Scott D. Halpern, Vipul Jairath, Andrew Copas +2 more

Informative cluster size in cluster-randomised trials: A case study from the TRIGGER trial

Clinical Trials(2023)10.1177/17407745231186094
N/A
0DataRank · unranked
22 citations

Fan Li, Bryan S. Blette, Vipul Jairath, Andrew Copas, Michael O. Harhay +1 more

Prevalence of non‐communicable diseases among household contacts of people with tuberculosis: A systematic review and individual participant data meta‐analysis

Tropical Medicine & International Health(2024)10.1111/tmi.14038
N/A
0DataRank · unranked
6 citations

Matteo Quartagno, Farihah Malik, Keolebogile Ntshamane, Anna Tisler, Sanjay Gaikwad +30 more

Uptake of multi-level HIV interventions and HIV-related behaviours among young people in rural South Africa

PLOS Global Public Health(2024)10.1371/journal.pgph.0003258
N/A
0DataRank · unranked
3 citations

Maryam Shahmanesh, Andrew Copas, Natsayi Chimbindi, Jaco Dreyer, Thembelihle Zuma +8 more

Completeness of reporting and risks of overstating impact in cluster randomised trials: a systematic review

The Lancet Global Health(2021)10.1016/s2214-109x(21)00200-x
N/A
0DataRank · unranked
31 citations

Alyssa Platt, John A. Gallis, Kaitlin Tetreault, Christina Easter, Joanne E. McKenzie +80 more

Youth-Friendly Sexual Health Services and Peer Support for Improved Sexual and Reproductive Health Outcomes Among Adolescents and Young Adults in South Africa: Results of a Factorial Randomized Controlled Trial

Sexually Transmitted Diseases(2025)10.1097/olq.0000000000002203
N/A
0DataRank · unranked
1 citations

Jacob Busang, Natsayi Chimbindi, Nonhlanhla Okesola, Theresa Smit, Guy Harling +6 more

Development of a consensus extension of the estimands framework for cluster randomised trials (CRT-estimands): results from an international Delphi study

medRxiv(2025)10.1101/2025.07.03.25330799
N/A
0DataRank · unranked
1 citations

Melanie Bahti, Dongquan Bi, Frank Bretz, Gary S. Collins, Andrew Copas +4 more

The effect of multi-level HIV prevention interventions on common mental disorders among adolescents and young adults in rural South Africa

PLOS Global Public Health(2025)10.1371/journal.pgph.0005183
Top 100%
0DataRank
Top 100%0 citations

Guy Harling, Andrew Copas, Bianca De Stavola, Natsayi Chimbindi, Lorraine Sherr +6 more