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Thailand is one of several countries with a continuing generalized HIV epidemic. We evaluated the risk factors for HIV prevalence among 17–29 year old men conscripted by a random process into the Royal Thai Army RTA in 8 cohorts from 2005–2009.


A series of case-cohort studies were conducted among the male RTA conscripts who had been tested for HIV seroprevalence after they were inducted. Men who were HIV positive were compared with a systematic random sample 1 in 30–40 of men from the total population of new conscripts. Each subject completed a detailed risk factor questionnaire.


A total of 240,039 young Thai men were conscripted into the RTA and were screened for HIV seroprevalence between November 2005 and May 2009. Of 1,208 0.5% HIV positive cases, 584 48.3% men were enrolled into the study. There were 7,396 men who were enrolled as a comparison group. Among conscripts who had an education lower than a college-level, the independent risk factors for HIV infection were age in years AOR 1.38, 95% CI 1.28–1.48, a history of sex with another man AOR 3.73, 95% CI 2.70–5.13, HCV infection AOR 3.89, 95% CI 2.56–5.90, and a history of sex with a female sex worker FSW AOR 1.35, 95% CI 1.10–1.66. Among conscripts who had a college degree, the independent risk factor for HIV infection was a history of sex with another man AOR 23.04, 95% CI 10.23–51.90. Numbers of sexual partners increased and the age at first sex, as well as the use of condoms for sex with a FSW decreased in successive cohorts.


The HIV seroprevalence among cohorts of 17–29 years old men has remained at about 0.5% overall during 2005–2009. The most significant behavior associated with HIV prevalence was a history of sex with another man. Our data indicate continuing acquisition of HIV among young men in Thailand in recent years, especially among men with a history of same sex behavior.

Autor: Ram Rangsin , Khunakorn Kana, Thippawan Chuenchitra, Akachai Sunantarod, Mathirut Mungthin, Supanee Meesiri, Wirote Areekul, Kenr

Fuente: http://plos.srce.hr/


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