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Table 3 Association between HIV infection and socio-demographic and selected behavioural indicators analysed by univariate analysis

From: High potential of escalating HIV transmission in a low prevalence setting in rural Tanzania

Men (n = 741)     Women (n = 904)
Characteristic N (%) OR (95%CI) P-value N (%) OR (95%CI) P-value
Residential area       
Remote 345 (46.6) 1 - 369 (39.5) 1 -
Rural 396 (53.4) 4.9 (1.2–19.9) 0.03 565 (60.5) 4.6 (0.9–22.9) 0.06
Village       
Haydom 153 (20.7) 1 - 220 (24.3) 1 -
Muslur 118 (15.9) 0.6 (0.1 – 6.0) 0.61 133 (14.7) 0.6 (0.1–5.0) 0.61
Basotu 117 (15.8) 4.1 (1.0 – 16.4) 0.05 116 (12.8) 4.1 (1.1–14.7) 0.03
Dangayda 79 (10.7) 0.9 (0.1 – 6.1) 0.93 81 (9.0) - -
Mwanga 148 (20.0) 0.5 (0.1–5.6) 0.58 142 (15.7) 0.5 (0.1–5.4) 0.59
Nduguti 126 (17.0) 2.5 (0.4–15.3) 0.30 212 (23.5) 1.5 (0.4–6.0) 0.58
Age group (years)       
15–19 90 (12.2) - - 119 (13.2) - -
20–24 155 (20.9)    208 (23.0)   
25–29 149 (20.1)    210 (23.2)   
30–34 127 (17.1)    143 (15.8)   
35–39 93 (12.6)    105 (11.6)   
40–49 127 (17.1)    119 (13.1)   
Marital status       
Single 241 (32.5) 1 - 183 (20.2) 1 -
Married/engaged/cohabit 479 (64.6) 0.62 (0.1–3.8) 0.61 676 (74.8) 0.2 (0.0–1.3) 0.10
Divorced/separated/widow 21 (2.8) - - 45 (5.0) 1.9 (0.2–16.8) 0.55
Duration of stay at current residence       
> 1 Year 655 (88.4) 1 - 777 (86.0) 1 -
≤1 Year 86 (11.6) 5.9 (1.2–33.3) 0.03 127 (14.0) 1.8 (0.4–7.7) 0.46
Education level       
None 58 (7.8) 1 - 107 (11.8) 1 -
< 7 years 110 (14.8) 0.6 (0.1–7.5) 0.50 158 (16.9) 3.8 (0.4–4) 0.24
≥7 years 573 (77.3) 0.7 (0.1–5.4) 0.60 639 (70.7) 2.3 (0.3–16.5) 0.40
*Income       
None 38 (5.1) 1 - 20 (2.21) - -
Employed 94 (12.7) 1.6 (0.1–12.6) 0.63 123 (13.61) 0.3 (0.0–3.7) 0.36
Farmer/pastoralist 609 (86.8) 0.5 (0.1–2.6) 0.38 761 (84.18) 0.8 (0.2–3.5) 0.78
Age at first sex       
≥18 years 457 (61.7) 1 - 590 (65.27) 1 -
< 18 years 284 (38.3) 2.0 (0.7–6.0) 0.21 314 (34.73) 2.2 (0.8–6.0) 0.12
Ever condom       
No 541 (73.0) 1 - 737 (81.5) 1 -
Yes 200 (27.0) 0.5 (0.09–2.5) 0.37 167 (18.5) 1.2 (0.3–5.0) 0.83
Multiple sex partner(s)       
No 393 (53.0) 1 - 605 (66.9) 1 -
Yes 348 (47.0) 5.6 (1.5–20.8) 0.01 299 (33.1) 4.6 (1.3–16.9) 0.04
History of STIs       
No 628 (84.8) 1 - 674 (74.8) 1 -
Yes 113 (15.3) 4.6 (1.4–15.6) 0.01 230 (25.4) 1.6 (0.7–3.9) 0.29
Ever VCT       
No 512 (69.1) 1 1 567 (62.7) 1 -
Yes 229 (30.9) 1.3 (0.5–3.1) 0.57 337 (37.3) 0.9 (0.4–2.1) 0.77
Uses of contraceptives other than condoms       
No - - - 576 (63.7) 1 -
Yes     386 (36.3) 7.7 (2.0–30.2) 0.008
"Incentive sex "       
Offer incentive for sex       
No 684 (92.4) 1 - 899 (99.5) -  
Yes 56 (7.6) 0.6 (0.1–4.0) 0.55 5 (0.6)   
Receive incentive for sex       
No 731(98.9) 1 - 859 (95.0) 1 -
Yes 8 (1.1) 6.9 (1.2–41.5) 0.03 45 (5.0) 2.2 (0.5–10.8) 0.33
  1. Adjusted for age.
  2. * None of the women without income had HIV infection; the reference category was thus dropped.
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