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Table 2 Bivariate analysis of risk factors for HIV infection among couples

From: Risk factors for HIV infection among married couples in Rakai, Uganda: a cross-sectional study

FactorOverall SampleHIV positive sampleUnadjusted ORs (95% CI)p-value
Nn%95% CIOR95% CI
HIV prevalence strata
 Medium433409.2(6.5, 12.0)1.00  
 Low371225.9(3.5, 8.3)0.62(0.36, 1.06)0.082
 High51015530.4(26.4, 34.4)4.29(2.95, 6.25)0.000
Age-group
 15–24 years2214219.0(13.8, 24.2)1.00  
 25–29 years3255918.2(14.0, 22.4)0.95(0.61, 1.47)0.802
 30–34 years2895418.7(14.2, 23.2)0.98(0.63, 1.53)0.927
 35–39 years2583011.6(7.7, 15.6)0.56(0.34, 0.93)0.026
 40+ years2213214.5(9.8, 19.1)0.72(0.44, 1.19)0.204
Education level
 None761519.7(10.6, 28.9)1.00  
 Lower primary2664818.0(13.3, 22.8)0.90(0.50, 1.79)0.776
 Upper primary64110516.4(13.5, 19.3)0.80(0.44, 1.55)0.495
 Secondary & above3314914.8(10.9, 18.7)0.71(0.39, 1.47)0.432
Religion
 Catholic78213917.8(15.1, 20.5)1.00  
 Protestant1783318.5(12.8, 24.3)1.05(0.69, 1.6)0.810
 Saved/Pentecostal811214.8(7.0, 22.6)0.80(0.43, 1.53)0.505
 Muslim2422510.3(6.5, 14.2)0.53(0.34, 0.84)0.006
 Other31825.8(10.1, 41.5)1.61(0.71, 3.67)0.259
Marital order
 First862769.3(6.9, 10.7)1.00  
 Second3219330.5(23.9, 34.0)4.28(3.10, 5.90)0.000
 Third or higher1314839.1(28.2, 45.1)6.26(4.12, 9.48)0.000
Marital duration
 1–3 years1576943.9(36.2, 51.7)   
 4–5 years1674024.0(17.5, 30.5)0.40(0.25, 0.65)0.000
 6+ years99010810.9(9.0, 12.9)0.16(0.11, 0.23)0.000
Age at first marriage
 11–17 years3235818(13.8, 22.2)1.00  
 18–20 years5007515(11.9, 18.1)0.81(0.55, 1.17)0.261
 21–24 years2554618(13.3, 22.8)1.01(0.66, 1.54)0.980
 25–29 years1883016(10.7, 21.2)0.87(0.54, 1.41)0.564
 30+ years48816.7(6.0, 27.3)0.91(0.41, 2.06)0.827
Ever use of condoms
 Yes84216619.7(17.0, 22.4)1.00  
 No4725110.8(8.0, 13.6)0.49(0.35, 0.69)0.000
In polygamy
 No106417316.3(14.0, 18.5)1.00  
 Yes2424217.4(12.6, 22.1)1.08(0.75, 1.57)0.678
 Don’t know8225.0(0.0, 50.1)1.72(0.34, 8.58)0.510
Age difference of the couple
 Same age1863116.7(11.3, 22.0)1.00  
 Woman older872629.9(20.2, 39.6)2.13(1.17, 3.88)0.013
 Man 2–5 years4145713.8(10.4, 17.1)0.79(0.5, 1.29)0.354
 Man 6–10 years390225.6(3.3, 7.9)0.51(0.32, 0.83)0.006
 Man 11+ years1883217.0(11.6, 22.4)   
More than one sexual partner
 No110216214.70(12.6, 16.8)1.00  
 Yes2125525.94(20.0, 32.0)1.88(1.31, 2.61)0.000