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. 2012 Nov 7;87(5):868–873. doi: 10.4269/ajtmh.2012.12-0395

Table 4.

Associations of potential risk factors with HIV infection (univariate analysis)

Potential risk factor HIV-positive (N = 21) HIV-negative (N = 324) OR for association with HIV infection (95% CI) P value
Median age (IQR) 32 (25–36) 30 (24–36) 1.00 (0.95–1.06) 0.90
Median kilometers from Lake Victoria (IQR) 12 (10–22) 10 (8–22) 1.01 (0.95–1.07) 0.71
Chlamydia infection 2 (10%) 13 (4%) 2.4 (0.5–11.4) 0.27
Gonorrhea infection 0 1 (3%)
Positive syphilis serology 3 (16%) 23 (7%) 2.4 (0.6–8.7) 0.19
Trichomonas infection 0 4 (1%)
Bacterial vaginosis 0 19 (6%)
Candidal infection 0 15 (5%)
Schistosome infection 17 (81%) 168 (52%) 3.9 (1.3–12.0) 0.015

Non-missing data were included in each calculation. For age and kilometers from the lake, the OR corresponds to the OR estimate for one unit increase in the exposure (i.e., per 1-year increase in age and 1-km increase in distance).