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Table 3 HIV testing and infection among sexual contacts of index HIV cases by sexual behavioral characteristics in Taizhou prefecture, Eastern China, 2008–2010

From: Tracing sexual contacts of HIV-infected individuals in a rural prefecture, Eastern China

Sexual behavioral characteristics Heterosexually infected (N1 = 298) Homosexually infected (N2 = 100) Total (N = 398)
Sexual contacts with contact information (No., %) Number and proportion of sexual contacts receiving HIV testing (No., %) Number and prevalence of sexual contacts tested HIV + (No., %) Sexual contacts with contact information (No., %) Number and proportion of sexual contacts receiving HIV testing (No., %) Number and prevalence of sexual contacts tested HIV + (No., %) Sexual contacts with contact information (No., %) Number and proportion of sexual contacts receiving HIV testing (No., %) Number and prevalence of sexual contacts tested HIV + (No., %)
921, 100% 205, 22.3 73, 35.6 482, 100% 115, 23.9 52, 45.2 1403, 100% 320, 22.8 125, 39.1
Sexual relationship between index cases and their sexual contacts in the past 12 months (χ 2 = 809.70, P<0.001)a c
Spouses or long-term heterosexual partners 236, 25.6 192, 81.4 73, 38.0 48, 10.0 20, 41.7 1, 5.0 284, 20.2 212, 74.6 74, 34.9
Non-commercial casual heterosexual partners 111, 12.1 7, 6.3 0 5, 1.0 0 0 116, 8.3 7, 6.0 0
Commercial heterosexual partners 574, 62.3 6, 1.0 0 0 0 0 574, 40.9 6, 1.0 0
Long-term homosexual partners 143, 29.7 90, 62.9 48, 53.3 143, 10.2 90, 62.9 48, 53.3
Non-commercial casual homosexual partners 180, 37.3 1, 0.6 0 180, 12.8 1, 0.6 0
Commercial homosexual partners 106, 22.0 4, 3.8 3, 75.0 106, 7.6 4, 3.8 3, 75.0
Condom use between index cases and their sexual contacts in the past 12 months (χ 2= 4.95, P = 0.084)a (χ 2= 15.32, P<0.001)b
Consistently 84, 9.1 15, 17.9 0 32, 6.6 4, 12.5 0 116, 8.3 19, 16.4 0
Inconsistently 269, 29.2 57, 21.2 19, 33.3 176, 36.4 37, 21.0 14, 37.8 445, 31.7 94, 21.1 33, 35.1
Never 568, 61.6 133, 23.4 54, 40.6 274, 56.9 74, 27.0 38, 51.4 842, 60.0 207, 24.6 92, 44.4
Size (i.e., number of members) of sexual networks constructed for index HIV cases and their sexual contacts in the past 12 months (χ 2= 27.62, P<0.001)a (χ 2= 16.05, P = 0.013)b
2 18, 2.0 12, 66.7 1, 8.3 0 0 0 18, 1.3 12, 66.7 1, 8.3
3 15, 1.6 6, 40.0 0 3, 0.6 1, 33.3 0 18, 1.3 7, 38.9 0
4 44, 4.8 6, 13.6 1, 16.7 0 0 0 44, 3.1 6, 13.6 1, 16.7
5 16, 1.7 2, 12.5 0 0 0 0 16, 1.1 2, 12.5 0
6-10 193, 21.0 36, 18.7 12, 33.3 53, 11.0 13, 24.5 5, 38.5 246, 17.5 49, 19.9 17, 34.7
11-20 354, 38.4 76, 21.5 28, 36.8 98, 20.3 21, 21.4 9, 42.9 452, 32.2 97, 21.5 37, 38.1
>20 281, 30.5 67, 23.8 31, 50.8 328, 68.0 80, 24.3 38, 47.5 609, 43.4 147, 24.1 69, 48.9
  1. a: Chi-square test comparing proportions of sexual contacts receiving HIV testing by sexual behavioral characteristics. b: Chi-square test comparing proportions of sexual contacts tested HIV positive by sexual behavioral characteristics. c: Chi-square test was not applicable due to a high proportion of cells having expected value < 5.