General characteristics of all respondents (n = 299).

*Type of sex partners in recent 3 months: steady partner – termed “lover” by the local community, which refers to sex partners that respondents are emotionally attached to and have been in a stable relationship; regular partners – partners with sexual relationship without emotional attachment over extended period; casual partners – one night-stand sex partners; commercial partners – those exchanging sex for money or kind, also termed “money-boy”.