Estimation of probability of unprotected heterosexual vaginal transmission of HIV-1 from clients to female sex workers in Kaiyuan, Yunnan Province, China

Wen Juan Ma; Jun Jie Wang; Kathleen H. Reilly; Ai Mei Bi; Guo Wei Ding; Kumi Smith; Ning Wang

doi:10.1016/S0895-3988(10)60065-7

Estimation of probability of unprotected heterosexual vaginal transmission of HIV-1 from clients to female sex workers in Kaiyuan, Yunnan Province, China

Wen Juan Ma, Jun Jie Wang, Kathleen H. Reilly, Ai Mei Bi, Guo Wei Ding, Kumi Smith, Ning Wang

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

Objective To estimate the probability of unprotected heterosexual vaginal transmission of HIV-1 from clients to Female Sex Workers (FSWs) in Kaiyuan County, Yunnan province, China, and analyze factors which impact the transmission probability. Methods An open cohort research of FSWs in Kaiyuan was created from surveys conducted in April 2008, October 2008, and April 2009. Two cross-sectional surveys of local clients were also carried out in May 2008 and November 2008. A model was developed to estimate the probability of unprotected heterosexual vaginal transmission of HIV-1 from clients to FSWs. Results The transmission probability from clients to FSWs was estimated as 0.0023 [95 CI 0.0014-0.0032] per unprotected heterosexual act. Conclusions The transmission probability among this group engaging in commercial sex in Yunnan province differs from that found in studies from other countries, and future studies should estimate the influence factors of HIV-1 transmission probability, such as stage of HIV infection, co-morbid sexually transmitted infections (STIs).

Original language	English (US)
Pages (from-to)	287-292
Number of pages	6
Journal	Biomedical and Environmental Sciences
Volume	23
Issue number	4
DOIs	https://doi.org/10.1016/S0895-3988(10)60065-7
State	Published - Aug 1 2010
Externally published	Yes

Keywords

Clients
FSW
HIV/AIDS
Model
Transmission Probability

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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title = "Estimation of probability of unprotected heterosexual vaginal transmission of HIV-1 from clients to female sex workers in Kaiyuan, Yunnan Province, China",

abstract = "Objective To estimate the probability of unprotected heterosexual vaginal transmission of HIV-1 from clients to Female Sex Workers (FSWs) in Kaiyuan County, Yunnan province, China, and analyze factors which impact the transmission probability. Methods An open cohort research of FSWs in Kaiyuan was created from surveys conducted in April 2008, October 2008, and April 2009. Two cross-sectional surveys of local clients were also carried out in May 2008 and November 2008. A model was developed to estimate the probability of unprotected heterosexual vaginal transmission of HIV-1 from clients to FSWs. Results The transmission probability from clients to FSWs was estimated as 0.0023 [95 CI 0.0014-0.0032] per unprotected heterosexual act. Conclusions The transmission probability among this group engaging in commercial sex in Yunnan province differs from that found in studies from other countries, and future studies should estimate the influence factors of HIV-1 transmission probability, such as stage of HIV infection, co-morbid sexually transmitted infections (STIs).",

keywords = "Clients, FSW, HIV/AIDS, Model, Transmission Probability",

author = "Ma, {Wen Juan} and Wang, {Jun Jie} and Reilly, {Kathleen H.} and Bi, {Ai Mei} and Ding, {Guo Wei} and Kumi Smith and Ning Wang",

year = "2010",

month = aug,

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doi = "10.1016/S0895-3988(10)60065-7",

language = "English (US)",

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TY - JOUR

T1 - Estimation of probability of unprotected heterosexual vaginal transmission of HIV-1 from clients to female sex workers in Kaiyuan, Yunnan Province, China

AU - Ma, Wen Juan

AU - Wang, Jun Jie

AU - Reilly, Kathleen H.

AU - Bi, Ai Mei

AU - Ding, Guo Wei

AU - Smith, Kumi

AU - Wang, Ning

PY - 2010/8/1

Y1 - 2010/8/1

N2 - Objective To estimate the probability of unprotected heterosexual vaginal transmission of HIV-1 from clients to Female Sex Workers (FSWs) in Kaiyuan County, Yunnan province, China, and analyze factors which impact the transmission probability. Methods An open cohort research of FSWs in Kaiyuan was created from surveys conducted in April 2008, October 2008, and April 2009. Two cross-sectional surveys of local clients were also carried out in May 2008 and November 2008. A model was developed to estimate the probability of unprotected heterosexual vaginal transmission of HIV-1 from clients to FSWs. Results The transmission probability from clients to FSWs was estimated as 0.0023 [95 CI 0.0014-0.0032] per unprotected heterosexual act. Conclusions The transmission probability among this group engaging in commercial sex in Yunnan province differs from that found in studies from other countries, and future studies should estimate the influence factors of HIV-1 transmission probability, such as stage of HIV infection, co-morbid sexually transmitted infections (STIs).

AB - Objective To estimate the probability of unprotected heterosexual vaginal transmission of HIV-1 from clients to Female Sex Workers (FSWs) in Kaiyuan County, Yunnan province, China, and analyze factors which impact the transmission probability. Methods An open cohort research of FSWs in Kaiyuan was created from surveys conducted in April 2008, October 2008, and April 2009. Two cross-sectional surveys of local clients were also carried out in May 2008 and November 2008. A model was developed to estimate the probability of unprotected heterosexual vaginal transmission of HIV-1 from clients to FSWs. Results The transmission probability from clients to FSWs was estimated as 0.0023 [95 CI 0.0014-0.0032] per unprotected heterosexual act. Conclusions The transmission probability among this group engaging in commercial sex in Yunnan province differs from that found in studies from other countries, and future studies should estimate the influence factors of HIV-1 transmission probability, such as stage of HIV infection, co-morbid sexually transmitted infections (STIs).

KW - Clients

KW - FSW

KW - HIV/AIDS

KW - Model

KW - Transmission Probability

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Estimation of probability of unprotected heterosexual vaginal transmission of HIV-1 from clients to female sex workers in Kaiyuan, Yunnan Province, China

Abstract

Keywords

UN SDGs

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