Table 3.

Bivariate odds ratios of HIV infection

Variable	HIV positive, N (%)	HIV negative, N (%)	OR	95% CI	p
Total	100	200
Age of respondent
≥25	52 (41.9)	72 (58.1)	1.93	1.15–3.23	0.012
<25	48 (27.3)	128 (72.7)	1
Age of regular partner
≥25	91 (40.1)	136 (59.9)	4.76	2.16–10.82	<0.001
<25	9 (12.3)	64 (87.7)	1
Education status
Grade 0–Grade 4	7 (70)	1 (30)	14.98	1.82–328	0.031
≥Grade 5	93 (32.1)	199 (67.9)	1
Source of economic support
Partner/self or other	81 (41.8)	114 (58.2)	3.22	1.75–5.95	<0.001
Parents	19 (17.9)	86 (82.1)	1
Smoking
Yes	15 (50)	14 (50)	2.34	1.02–5.42	0.027
No	85 (31.6)	186 (68.4)	1
Dagga/cannabis use
Yes	7 (63.6)	4 (36.4)	3.69	0.94–15.42	0.065
No	93 (32.2)	196 (67.8)	1
Alcohol consumption
Yes	34 (40)	50 (60)	1.55	0.89–2.69	0.161
No	66 (30.7)	150 (69.3)	1
History of addictive alcohol consumption
Yes	20 (69)	9 (31)	5.31	2.18–13.22	<0.001
No	80 (29.5)	191 (70.5)
Number of alcoholic drinks of respondent
≥6	22 (51.2)	20 (48.8)	2.54	1.25–5.17	0.012
0–5	78 (30.4)	180 (69.6)
Ever engaged in sex under influence of alcohol
Yes	18 (63)	10 (37)	4.17	1.73–10.20	<0.001
No	82 (30.4)	190 (69.6)
Sex without condoms due to alcohol
Yes	18 (60)	12 (40)	3.44	1.49–8.01	0.002
No	82 (30.4)	188 (69.6)	1
Number of lifetime partners
≥2	94 (38.1)	154 (61.9)	4.68	1.83–12.70	<0.001
1	6 (11.3)	46 (88.7)	1
Employment status of regular partner
Employed	94 (39.2)	130 (60.8)	8.44	3.35–22.55	<0.001
Scholar/unemployed	6 (19.3)	70 (80.7)	1
Knowledge of HIV status of partner
No/not known	44 (47.8)	47 (52.2)	2.56	1.48–4.41	<0.001
Yes (known (±))	56 (27.1)	153 (72.9)	1
Whether regular partner had other sexual partners
Yes/not sure	88 (37)	149 (63)	2.51	1.22–5.27	0.014
No (r)	12 (19.4)	51 (80.6)
History of concurrent partners
Yes	15 (50)	15 (50)	2.18	0.96–4.96	0.066
No	85 (31.5)	185 (68.5)	1
Episodes of vaginal discharge in the previous 12 months
≥1	74 (42.8)	98 (57.2)	2.96	1.70–5.19	<0.001
None (r)	26 (20.50)	102 (79.5)

“r” indicates the reference group.