Items where Author is "Witzel, T Charles"
Number of items: 18.
2020
Exploring Mechanisms of Action: Using a Testing Typology to Understand Intervention Performance in an HIV Self-Testing RCT in England and Wales. (2020)
Witzel, T Charles; Weatherburn, Peter; Bourne, Adam; Rodger, Alison J; Bonell, Chris; Gafos, Mitzy; Trevelion, Roy; Speakman, Andrew; Lampe, Fiona; Ward, Denise; Dunn, David T; Gabriel, Michelle M; McCabe, Leanne; Harbottle, Justin; Moraes, Yolanda Collaco; Michie, Susan; Phillips, Andrew N; McCormack, Sheena; Burns, Fiona M
![]()
HIV Self-testing for Men Who Have Sex With Men (MSM) in England and Wales: A multi-method study of self-testing intervention development and evaluation. (2020)
Witzel, TC
![]()
2019
Preferences for HIV testing services among men who have sex with men in the UK: A discrete choice experiment. (2019)
Miners, Alec; Nadarzynski, Tom; Witzel, Charles; Phillips, Andrew N; Cambiano, Valentina; Rodger, Alison J; Llewellyn, Carrie D
![]()
Pilot phase of an internet-based RCT of HIVST targeting MSM and transgender people in England and Wales: advertising strategies and acceptability of the intervention. (2019)
Witzel, T Charles; Gabriel, Michelle M; McCabe, Leanne; Weatherburn, Peter; Gafos, Mitzy; Speakman, Andrew; Pebody, Roger; Burns, Fiona M; Bonell, Chris; Lampe, Fiona C; Dunn, David T; Ward, Denise; Harbottle, Justin; Phillips, Andrew N; McCormack, Sheena; Rodger, Alison J
![]()
What are the motivations and barriers to pre-exposure prophylaxis (PrEP) use among black men who have sex with men aged 18-45 in London? Results from a qualitative study. (2019)
Witzel, T Charles; Nutland, Will; Bourne, Adam
![]()
HIV self-testing intervention experiences and kit usability: results from a qualitative study among men who have sex with men in the SELPHI (Self-Testing Public Health Intervention) randomized controlled trial in England and Wales. (2019)
Witzel, TC; Bourne, A; Burns, FM; Rodger, AJ; McCabe, L; Gabriel, MM; Gafos, M; Ward, D; Collaco-Moraes, Y; Dunn, DT; Speakman, A; Bonell, C; Pebody, R; Lampe, FC; Harbottle, J; Phillips, AN; McCormack, S; Weatherburn, P
![]()
2018
Protocol, rationale and design of SELPHI: a randomised controlled trial assessing whether offering free HIV self-testing kits via the internet increases the rate of HIV diagnosis. (2018)
Gabriel, Michelle M; Dunn, David T; Speakman, Andrew; McCabe, Leanne; Ward, Denise; Witzel, T Charles; Harbottle, Justin; Collins, Simon; Gafos, Mitzy; Burns, Fiona M; Lampe, Fiona C; Weatherburn, Peter; Phillips, Andrew; McCormack, Sheena; Rodger, Alison J
![]()
A qualitative assessment of the acceptability of hepatitis C remote self-testing and self-sampling amongst people who use drugs in London, UK. (2018)
Guise, Andy; Witzel, T Charles; Mandal, Sema; Sabin, Caroline; Rhodes, Tim; Nardone, Anthony; Harris, Magdalena
![]()
What qualities in a potential HIV pre-exposure prophylaxis service are valued by black men who have sex with men in London? A qualitative acceptability study. (2018)
Witzel, T Charles; Nutland, Will; Bourne, Adam
![]()
2017
Uptake contexts and perceived impacts of HIV testing and counselling among adults in East and Southern Africa: A meta-ethnographic review. (2017)
Witzel, T Charles; Lora, Wezzie; Lees, Shelley; Desmond, Nicola
![]()
Consolidating emerging evidence surrounding HIVST and HIVSS: a rapid systematic mapping protocol. (2017)
Witzel, T Charles; Weatherburn, Peter; Burns, Fiona M; Johnson, Cheryl C; Figueroa, Carmen; Rodger, Alison J
![]()
Risk, reassurance and routine: a qualitative study of narrative understandings of the potential for HIV self-testing among men who have sex with men in England. (2017)
Witzel, T Charles; Weatherburn, Peter; Rodger, Alison J; Bourne, Adam H; Burns, Fiona M
![]()
2016
It Starts With Me: Privacy concerns and stigma in the evaluation of a Facebook health promotion intervention. (2016)
Witzel, T Charles; Guise, Andy; Nutland, Will; Bourne, Adam
![]()
HIV testing history and preferences for future tests among gay men, bisexual men and other MSM in England: results from a cross-sectional study. (2016)
Witzel, T Charles; Melendez-Torres, GJ; Hickson, Ford; Weatherburn, Peter
![]()
HIV Self-Testing among Men Who Have Sex with Men (MSM) in the UK: A Qualitative Study of Barriers and Facilitators, Intervention Preferences and Perceived Impacts. (2016)
Witzel, T Charles; Rodger, Alison J; Burns, Fiona M; Rhodes, Tim; Weatherburn, Peter
![]()
New initiatives to develop self-testing for HIV. (2016)
Witzel, TC; Rodger, AJ
![]()