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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