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Table 2 Brothel closure, social-demographics characteristics, risk perception, and practice of unprotected sex among men who buy sex

From: Trends in unprotected intercourse among heterosexual men before and after brothel ban in Siem Reap, Cambodia: a serial cross-sectional study (2003–2012)

Variables Unprotected sex with sex workersc in the last 6 months Crude PR 95% CI Adjusted PR 95% CI
Total
(N = 976)
Yes
(N = 423)
p-value
n n %
Time period
 Closure of brothels
  Before closure (2003 to 2008) 757 283 (37.4) < 0.001 1   1  
  After closure (2009 to 2012) 219 140 (63.9) 1.71 1.49–1.96 1.65 1.40–1.94
Sociodemographic characteristics
 Age (years)a
   < 20 31 16 (51.6) 0.934 1   1  
  20–29 504 216 (42.9) 0.83 0.58–1.18 0.96 0.62–1.49
  30–39 320 136 (42.5) 0.82 0.57–1.19 1.05 0.66–1.67
   ≥ 40 120 54 (45.0) 0.87 0.59–1.29 1.11 0.69–1.81
 Education levela
  No formal education 37 15 (40.5) 0.858 1   1  
  Primary (1–6 years) 303 135 (44.6) 1.10 0.73–1.66 1.11 0.71–1.74
  Secondary (7–12 years) 596 255 (42.8) 1.06 0.71–1.58 1.05 0.68–1.64
  College and university 39 17 (43.6) 1.08 0.63–1.83 1.17 0.66–2.06
 Marital statusa
  Never married/single 452 200 (44.3) 0.607 1   1  
  Married/ever marriedb 521 222 (42.6) 0.96 0.83–1.11 0.89 0.74–1.07
 Income per month (USD)a
   ≤ 200 805 360 (44.7) 0.004 1   1  
   > 200 144 46 (31.9) 0.71 0.56–0.92 0.69 0.54–0.88
 Alcohol consumptiona
  No and occasional drinker 827 334 (40.4) < 0.001 1   1  
  Regular drinker 148 88 (59.5)   1.47 1.26–1.72 1.62 1.36–1.92
Risk perceptions
 Own chance of getting STD/HIV from sex workersa,c
  None to low 438 214 (48.9) < 0.001 1   1  
  Moderate to very high 517 190 (36.8)   0.75 0.65–0.87 0.83 0.71–0.98
  1. USD; United States dollar, STD/HIV; sexually transmitted diseases/human immunodeficiency virus, PR; prevalence ratio, CI; confidence interval
  2. aExclude missing values
  3. bInclude divorced/separated/widowed
  4. cInclude brothel and non-brothel based sex workers
  5. Chi-square test for trend in proportions