Table 2 Factors associated with unprotected last sexual intercourse with a partner with negative or unknown HIV status among 364 people with HIV attending HIV care at the National Infectious Disease Institute, Nonthaburi, Thailand, 2005–2006
CharacteristicUnprotected last sexual intercourse with partner of negative or unknown HIV status
n/N (%)Unadjusted OR (95% CI)Adjusted OR* (95% CI)
Age
    ⩾35 years64/182 (35.2)1.2 (0.8 to 1.8)NA
    <35 years57/182 (31.3)1NA
    p Value0.4NA
Gender
    Male80/202 (39.6)1.9 (1.2 to 3.0)0.8 (0.4 to 1.8)
    Female41/162 (25.3)11
    p Value0.0040.6
Partner type
    Steady heterosexual partner only50/199 (25.1)11
    Casual, commercial or MSM71/165 (43.0)2.3 (1.4 to 3.5)2.1 (1.1 to 4.1)
    p Value<0.0010.03
Education
    None or primary47/140 (33.6)1.0 (0.7 to 1.6)NA
    More than primary73/223 (32.7)1NA
    p Value0.9NA
Time since HIV diagnosis
    ⩾43 months40/173 (23.1)11
    <43 months69/173 (39.9)2.2 (1.3 to 3.5)1.2 (0.6 to 2.3)
    p Value0.0010.6
Disclosed HIV status to partner
    Yes31/150 (20.7)0.6 (0.3 to 1.2)NA
    No23/79 (29.1)1NA
    p Value0.1NA
Requested condoms
    Yes26/100 (26.0)0.6 (0.4 to 1.0)1.0 (0.5 to 2.0)
    No74/200 (37.0)11
    p Value0.061.0
Current ARV treatment
    Yes36/177 (20.3)0.3 (0.2 to 0.5)0.3 (0.1 to 0.6)
    No75/160 (46.9)11
    p Value<0.001<0.001
CD4 cell count
    ⩾200 cell/mm355/195 (28.2)0.7 (0.4 to 1.1)0.7 (0.4 to 1.3)
    <200 cell/mm346/128 (35.9)11
    p Value0.10.3
  • *Adjusted for all other factors in model. Age and time since HIV diagnosis was dichotomised above and below median values.

  • Numbers may vary due to missing data. The multivariate model included 237 people. ARV, antiretroviral; MSM, men who have sex with men; NA, not applicable/not available.