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Table 2 HIV prevalence in the general population (15–49 years), 2003–2004

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

Characteristic Total N (%)   HIV % (95% CI)   HIV % (95% CI)
Overall HIV prevalence 1698 (85%)   1.8 (1.2–2.6) - -
   Men-N (%) Women-N (%)
Crude HIV prevalence 1698 764 2.0 (1.1–3.3) 934 1.6 (0.9–2.7)
Adjusted HIV prevalence §    1.8 (1.8–1.9)   1.5 (1.4–1.5)
Area      
Remote 730 (43.0) 361 (47.3) 0.8 (0.2–2.2) 369 (39.5) 0.5 (0.1–1.8)
Rural 968 (57.0) 403 (52.8) 3.0 (1.6–5.0) 565 (59.5) 1.3 (1.3–3.8)
Village      
Haydom 385 (22.7) 156 (20.4) 1.3 (0.2–4.2) 229 (24.5) 1.3 (0.3–3.5)
Muslur 259 (15.3) 124 (16.2) 0.8 (0.0–4.0) 135 (14.5) 0.7 (0.0–4.7)
Basotu 236 (13.9) 117 (15.3) 5.1 (2.1–10.4) 119 (12.7) 5.0 (2.1–10.2)
Dangayda 169 (10.0) 83 (10.9) 1.2 (0.0–5.8) 86 (9.2) 0
Mwanga 302 (17.8) 154 (20.2) 0.7 (0.0–3.2) 148 (15.9) 0.7 (0.0–3.3)
Nduguti 347 (20.4) 130 (17.0) 3.1 (1.0–7.3) 217 (23.2) 1.84 (0.6–4.4)
Age group (years)      
15–19 262 (15.4) 113 (14.8) 0.9 (0.1–4.3) 149 (20.0) 0.7 (0–4.2)
20–24 363 (21.4) 155 (20.3) 1.3 (0.2–4.2) 208 (22.3) 1.9 (0.6–5.2)
25–29 359 (21.1) 149 (19.5) 2.0 (0.5–5.4) 210 (22.5) 1.4 (0.4–4.5)
30–34 270 (15.9) 127 (16.6) 2.4 (0.6–6.3) 143 (15.3) 2.8 (0.9–7.5)
35–39 198 (11.7) 93 (12.2) 4.3 (1.4–10.1) 105 (11.2) 1.9 (0.3–7.9)
40–49 246 (14.5) 127 (16.6) 1.6 (0.3–5.1) 119 (12.7) 0.8 (0.0–5.3)
Marital status      
Single 476 (28.0) 264 (34.6) 1.5 (0.5–4.1) 212 (22.7) 2.4 (0.9–5.7)
Married/engaged/cohabit 1156 (68.1) 479 (62.7) 2.3 (1.2–4.2) 677 (72.5) 1.0 (0.5–2.2)
Separated/divorced/widowed 66 (3.9) 21 (2.8) 0 45 (4.8) 6.7 (1.7–19.3)
Education      
None 165 (9.7) 58 (7.6) 1.7 (0.1–10.5) 107 (11.5) 0.9 (0.1 – 5.9)
<7 years 258 (15.2) 105 (13.7) 1.9 (0.3–7.4) 153 (16.4) 2.0 (0.5 – 6.1)
≥7 years 1212 (71.4) 573 (75.0) 2.1 (1.1–3.7) 639 (68.4) 1.7 (0.9 – 3.2)
Student* 63 (3.7) 28 (3.7) 0 35 (3.8) 0
Income      
None 92 (5.4) 57 (7.5) 1.7 (1.4–15.5) 35 (3.8) 0
Employed 254 (15.0) 121 (15.8) 5.3 (0.3–6.4) 133 (14.2) 2.3 (0.6–7.0)
Farmer/cattle/petty 1352 (79.6) 586 (76.7) 1.7 (0.9–3.2) 766 (82.0) 1.6 (0.9–2.8)
Duration of stay      
< 1 year 218 (12.8) 88 (11.5) 4.6 (1.5–11.9) 129 (13.8) 1.6 (0.3–6.1)
≥1 year 1480 (87.2) 676 (88.5) 1.6 (0.9–3.0) 805 (86.2) 1.6 (0.9–2.8)
  1. §Adjusted by standard total rural population in the two regions
  2. * Student currently enrolled in academic institution.
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