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Table 3 Sexual behaviors associated with HIV incidence among participants

From: HIV incidence and sexual behavioral correlates among 4578 men who have sex with men (MSM) in Chengdu, China: a retrospective cohort study

Characteristics Number of Seroconversion, n (row %)
N = 288 (8.0%)
Unadjusted HR a (95%CI) Adjusted HR a (95% CI) p value
Age     0.244
  ≤ 30 157 (6.6) 1.00 1.00  
 30–45 89 (10.1) 1.17 (0.90–1.52) 0.91 (0.66–1.27) 0.594
 46–59 32 (11.5) 1.23 (0.84–1.80) 0.88 (0.55–1.42) 0.606
  ≥ 60 10 (27.8) 2.67 (1.41–5.08) 1.76 (0.85–3.61) 0.126
Education     < 0.001
 Junior high school or less 61 (15.4) 2.31 (1.72–3.11) 1.95 (1.40–2.73) < 0.001
 Senior high school/secondary technical school 65 (9.4) 1.36 (1.02–1.81) 1.31 (0.97–1.76) 0.080
 College or higher 162 (6.5) 1.00 1.00  
Marital status     0.416
 Single 186 (6.9) 1.00 1.00  
 Married 69 (10.2) 1.24 (0.94–1.63) 0.98 (0.67–1.44) 0.932
 Divorced/widowed 33 (16.1) 1.71 (1.18–2.49) 1.29 (0.82–2.03) 0.275
Number of male sexual partners in the past 6 months b     0.001
 0 7 (2.8) 1.00 1.00  
 1 76 (6.7) 2.35 (1.08–5.09) 1.61 (0.73–3.55) 0.239
 2–5 169 (8.9) 3.11 (1.46–6.62) 2.18 (1.01–4.72) 0.047
  > 5 36 (12.6) 4.89 (2.18–10.99) 3.19 (1.40–7.26) 0.006
Primary venue to find sexual partners b    N.S.  
 No male sexual partners 14 (6.3) 1.00   
 Offline 79 (10.6) 1.75 (0.99–3.09)   
 Online 109 (7.5) 1.59 (0.91–2.78)   
 Money boys from clubs 84 (7.8) 1.53 (0.87–2.69)   
 Other venues 2 (2.2) 0.59 (0.13–2.61)   
Condom use during anal intercourse in the past 6 months b     < 0.001
 Inconsistent 174 (11.0) 2.04 (1.61–2.59) 1.87 (1.46–2.38) < 0.001
 Consistent 114 (5.7) 1.00 1.00  
  1. aHR Hazard Risk
  2. b These characteristics data were collected since 2014 (N = 3579)