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Table 2 Unadjusted effects of sex partner status among older male clients (having no steady sex partner vs. having a steady sex partner) on the odds of HIV and syphilis infection and behavioral risk factors in 2012

From: Disparities in HIV and syphilis prevalence and risk factors between older male clients with and without steady sex partners in southwestern rural China

Variable Older male clients who had a steady sex partner
N (%)
Older male clients who had no steady sex partner
N (%)
ORa (95% CI)
Total 2509 976  
Syphilis infection
 No 2439 (97.2) 935 (95.8)  
 Yes 70 (2.8) 41 (4.2) 1.53 (1.03–2.26)
HIV infection
 No 2450 (97.6) 932 (95.5)  
 Yes 59 (2.4) 44 (4.5) 1.96 (1.32–2.92)
Had heterosexual intercourses in the last month
 No 955 (38.1) 520 (53.3)  
 Yes 1554 (61.9) 456 (46.7) 0.54 (0.46–0.63)
Had non-commercial casual sex partners in the last month
 No 2412 (96.1) 883 (90.5)  
 Yes 97 (3.9) 93 (9.5) 2.62 (1.95–3.52)
Average charge per sex act (US $)
  ≤ 4.8US $ 1980 (78.9) 806 (82.6)  
  > 4.8US $ 529 (21.1) 170 (17.4) 0.79 (0.65–0.96)
History of commercial sex (years)
  ≤ 10 1667 (66.4) 576 (59.0)  
  > 10 842 (33.6) 400 (41.0) 1.37 (1.18–1.60)
Number of commercial sexual intercourses in the last month
  ≤ 2 2275 (90.7) 864 (88.5)  
  > 2 234 (9.3) 112 (11.5) 1.26 (0.99–1.60)
Had commercial sex in the last month
 No 924 (36.8) 392 (40.2)  
 Yes 1585 (63.2) 584 (59.8) 0.87 (0.75–1.01)
Had unprotected sex with FSWs in the last month
 No 1221 (48.7) 469 (48.1)  
 Yes 1288 (51.3) 507 (51.9) 1.02 (0.88–1.19)
Had unprotected sex with FSWs in the past
 No 383 (15.3) 99 (10.1)  
 Yes 2126 (84.7) 877 (89.9) 1.60 (1.26–2.02)
Used aphrodisiacs in the last month
 No 2088 (83.2) 756 (77.5)  
 Yes 421 (16.8) 220 (22.5) 1.44 (1.20–1.73)
Awareness of HIV/AIDS
 No 753 (30.0) 401 (41.1)  
 Yes 1756 (70.0) 575 (58.9) 0.61 (0.53–0.72)
Awareness of VCT
 No 2049 (81.7) 828 (84.8)  
 Yes 460 (18.3) 148 (15.2) 0.80 (0.65–0.97)
Received HIV testing
 No 2361 (94.1) 945 (96.8)  
 Yes 148 (5.9) 31 (3.2) 0.52 (0.35–0.78)
  1. Notes: a OR odds ratio, CI confidence interval. Univariate regression was used to calculate the odds of HIV and syphilis infection and other behavioral risk factors for infection, associated with the dependent variable was sex partner status