Characteristics | Crude Model | Adjusted Model# | ||
---|---|---|---|---|
OR (95%CI) | P | OR (95%CI) | P | |
Age (years) | ||||
 18–25 | Ref | – | Ref | – |
 26–29 | 0.51(0.28–0.93) | 0.028 | 0.73(0.37–1.46) | 0.371 |
 30–34 | 0.56(0.30–1.02) | 0.058 | 1.12(0.44–2.90) | 0.808 |
  ≥ 35 | 1.51(0.90–2.54) | 0.115 | 2.14(0.85–5.39) | 0.106 |
Ethnicity | ||||
 Han | Ref | – | Ref | – |
 Non-Han | 2.05(1.24–3.40) | 0.005 | 2.24(1.28–3.93) | 0.005 |
Marital status | ||||
 Not married | Ref | – | Ref | – |
 Married | 0.71(0.46–1.08) | 0.109 | 0.58(0.27–1.25) | 0.164 |
 Divorced or widowed | 2.56(1.46–4.49) | 0.001 | 1.46(0.58–3.64) | 0.423 |
Education level | ||||
 Illiterate or elementary school | Ref | – | Ref | – |
 Junior high school | 1.06(0.68–1.65) | 0.789 | 1.51(0.94–2.45) | 0.090 |
 High school and above | 1.67(0.86–3.25) | 0.131 | 2.52(1.19–5.33) | 0.016 |
Monthly income (USD) | ||||
  < $500 | Ref | – | Ref | – |
 $500–$1000 | 0.49(0.33–0.74) | 0.001 | 0.47(0.29–0.74) | 0.001 |
  > $1000 | 0.48(0.27–0.84) | 0.010 | 0.29(0.16–0.55) | 0.001 |
Household registration | ||||
 Local city | Ref | – | Ref | – |
 Other cities in this province | 0.74(0.39–1.39) | 0.348 | 0.77(0.39–1.50) | 0.478 |
 Other provinces | 0.30(0.17–0.53) | < 0.001 | 0.30(0.16–0.55) | 0.001 |
Length of time working in current location | ||||
 1 year and above | Ref | – | Ref | – |
 6–12 months | 0.42(0.25–0.70) | 0.001 | 0.47(0.27–0.81) | 0.006 |
  < 6 months | 0.10(0.03–0.32) | < 0.001 | 0.14(0.04–0.45) | 0.001 |
Workplace | ||||
 Middle tier | Ref | – | Ref | – |
 Low tier | 4.06(1.47 ~ 11.18) | 0.007 | 3.53(1.23 ~ 10.14) | 0.019 |
Average number of clients in the past month (continue variable) | ||||
 | 1.04(1.01 ~ 1.07) | 0.041 | 1.03(1.01 ~ 1.05) | 0.043 |
Consistent condom uses with clients in the past month | ||||
 No | Ref |  | Ref |  |
 Yes | 1.41(0.93 ~ 2.13) | 0.101 | 1.79(1.12 ~ 2.86) | 0.016 |
Providing anal sex for clients | ||||
 No | Ref | – | Ref | – |
 Yes | 3.50(2.38 ~ 5.16) | < 0.001 | 2.36(1.54 ~ 3.60) | < 0.001 |
Regular partner (boyfriend or husband) | ||||
 No | Ref | – | Ref | – |
 Yes | 1.86(1.12 ~ 3.09) | 0.017 | 3.12(1.72 ~ 5.68) | 0.002 |
STD symptoms in the past 12 months | ||||
 No | Ref | – | Ref | – |
 Yes | 5.44(3.66 ~ 8.09) | < 0.001 | 4.09(2.62 ~ 6.40) | < 0.001 |
HIV testing in the past 12 months | ||||
 No | Ref | – | Ref | – |
 Yes | 5.32(3.57 ~ 7.92) | < 0.001 | 5.16(3.21 ~ 8.30) | < 0.001 |
Syphilis testing in the past 12 months | ||||
 No | Ref | – | Ref | – |
 Yes | 6.82(4.5 ~ 10.33) | < 0.001 | 6.90(4.21 ~ 11.22) | < 0.001 |
Smoke in the past 12 months | ||||
 No | Ref | – | Ref | – |
 Yes | 0.57(0.33–1.01) | 0.051 | 0.59(0.33–1.06) | 0.076 |
Sexual abuse in the past 12 months | ||||
 No | Ref | – | Ref | – |
 Yes | 3.60(2.11–6.15) | < 0.001 | 4.42(2.64–7.39) | < 0.001 |