Table 2

Level of HIV seroprevalence as a function of living in places with various levels of community risk by sex, with crude and adjusted odds ratios from logistic regression models* of the likelihood of being HIV positive, Kisesa, 1994–5

Men (n=2271)Women (n=2752)
Number assessedPercentage seropositiveCrude OR (95% CI)Adjusted OR (95% CI)Number assessedPercentage seropositiveCrude OR (95% CI)Adjusted OR (95% CI)
Type of subvillage re: social/economic activity
    Rural sparse12893.51.001.0014474.81.001.00
    Rural small3074.61.32 (0.56 to 3.11)1.45 (0.52 to 4.04)3336.61.41 (0.88 to 2.27)1.17 (0.70 to 1.95)
    Peritrading cenre3118.02.42 (1.49 to 3.91)2.18 (1.23 to 3.84)3739.12.00 (1.33 to 3.03)1.63 (1.04 to 2.42)
    Trading centre36413.74.40 (2.98 to 6.50)4.71 (2.57 to 8.63)59913.53.12 (1.96 to 4.97)1.92 (1.06 to 3.48)
Ratio of bar workers in subvillage to total male population (18–59) of Kisesa ward
    Low (0–2/100 males)13843.61.001.0015525.11.001.00
    Moderate (3–5/100 males)4157.72.23 (1.43 to 3.48)2.05 (1.20 to 3.52)4798.61.74 (1.21 to 2.52)1.67 (1.21 to 2.28)
    High (6–8/100 males)47211.03.30 (1.78 to 6.14)2.95 (1.31 to 6.67)72111.92.53 (1.45 to 4.40)1.59 (0.85 to 2.94)
Mobility of subvillage population: proportion of people in current household <5 years
    Low (<10%)8383.61.001.009504.81.001.00
    Moderate (11–19%)10615.81.64 (0.88 to 3.07)1.55 (0.82 to 2.95)12066.61.38 (0.92 to 2.07)1.27 (0.86 to 1.87)
    High (≥20%)37211.63.52 (2.13 to 5.82)3.17 (1.63 to 6.17)59613.63.09 (1.88 to 5.08)1.95 (1.07 to 3.55)
Distance to the nearest town (Mwanza)
    Far (≥11 km)12403.41.001.0013935.01.001.00
    Moderate (5–10 km)5667.62.35 (1.21 to 4.52)2.18 (1.15 to 4.15)6778.71.83 (1.23 to 2.74)1.52 (1.07 to 2.19)
    Close (<5 km)46510.53.36 (2.06 to 5.47)2.85 (1.57 to 5.17)68211.42.48 (1.37 to 4.45)1.68 (1.00 to 2.84)
*The models adjust for all the individual factors shown in table 1. Each of the community factors are modelled separately, due to multicollenearity.