Unlike commercial sex workers and patients attending sexually transmitted infection (STI) clinics, married couples are not typically targeted for HIV risk reduction programs in India. Thus, married partners of HIV-infected persons are at particularly high risk for HIV infection. Between September 2002 and November 2004, 457 HIV-1 sero-discordant, married couples were enrolled in a one-year prospective study of HIV transmission in Pune, India. The HIV incidence among uninfected partners was 1.22 per 100 person-years (95% CI 0.45-2.66), which is much lower than what has been previously reported among discordant couples in Africa. This may be due to higher rates of condom use, lower rates of STIs and higher CD4 T lymphocyte counts, among the Indian HIV sero-discordant couples.

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Safer sexual behaviour is vital in curbing the HlV epidemic in many developing countries where the epidemic is primarily transmitted through heterosexual sex. Reliable and valid assessment of factors related to HIV risk behaviours are important in testing behavioural theories as well as informing effective AIDS prevention programmes. The current study tests the reliability and validity of a modified version of the Condom Outcome Expectancy Scale (COES) among a sample of HI'-negative sexual partners (n = 100) of HIV-infected individuals in Pune, India, Chang Mai,Thailand and Kampala, Uganda. Internal consistency reliability was measured using Cronbach's alpha coefficient, which had a value of 0.80 for the entire sample, with site-specific values of. 0.78 for India; 0.75 for Thailand; and 0.79 for Uganda. Test-retest reliability was conducted to test the scale's stability over time with 60% of the sample, resulting in a Cronbach's alpha coefficient of 0.70. The scale's structure was explored by analyzing response scores on the items using principal components analysis, which yielded a two-factor solution. The study indicates the utility of a modified version of the widely tested COES across international settings. Such research is necessary in understanding intervention targets across international settings.

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