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Table 4 Associations between ever having had sexual intercourse with a commercial sex worker and selected socio-demographic, lifestyle and sexual behaviour variables among sexually active men stratified by age (n = 21,494)

From: Sexual risk taking behaviour: prevalence and associated factors. A population-based study of 22 000 Danish men

  Sexual intercourse with a commercial sex worker
  All ages 18-25 years 26-35 years 36-45 years
  ORadj (95% CI) ORadj (95% CI) ORadj (95% CI) ORadj (95% CI)
Age at enrolment (years)         
Linear (per year) 1.05 (1.04-1.05) 1.21 (1.13-1.30) 1.05 (1.02-1.07) 1.00 (0.98-1.03)
Marital status         
Married or cohabiting 1   1   1   1  
Single 1.60 (1.43-1.80) 2.32 (1.59-3.38) 1.47 (1.22-1.76) 1.76 (1.49-2.08)
Educational level         
≤ 9 years 1   1   1   1  
10-11 years 0.99 (0.87-1.12) 0.84 (0.58-1.22) 0.95 (0.76-1.20) 0.95 (0.80-1.13)
≥ 12 years 0.85 (0.74-0.97) 0.71 (0.49-1.03) 0.76 (0.60-0.97) 0.89 (0.73-1.07)
Area of residence         
Capital area 1.32 (1.16-1.50) 1.33 (0.92-1.92) 1.06 (0.87-1.28) 1.40 (1.15-1.71)
Capital suburbs 1.19 (1.02-1.38) 1.51 (1.01-2.25) 1.33 (1.03-1.73) 1.10 (0.89-1.35)
Large provincial cities 1.05 (0.93-1.20) 0.91 (0.63-1.31) 1.09 (0.89-1.33) 0.99 (0.81-1.21)
Rural areas 1   1   1   1  
Smoking         
Never 1   1   1   1  
Former 1.07 (0.94-1.21) 2.10 (1.35-3.26) 1.11 (0.90-1.37) 0.96 (0.81-1.14)
Current 1.28 (1.16-1.42) 1.70 (1.27-2.27) 1.23 (1.04-1.44) 1.22 (1.06-1.42)
Alcohol consumption         
Never binge drinking 1   1   1   1  
Never drinking 0.78 (0.39-1.54) 1.33 (0.32-5.51) 0.98 (0.33-2.93) 0.48 (0.14-1.61)
Binge drinking < 1/month 0.94 (0.80-1.12) 1.63 (0.73-3.62) 0.81 (0.61-1.10) 0.91 (0.73-1.12)
Binge drinking 1-3/month 0.95 (0.80-1.12) 1.16 (0.54-2.46) 0.89 (0.66-1.19) 0.91 (0.72-1.13)
Binge drinking ≥ 4/month 1.15 (0.95-1.40) 1.41 (0.66-3.02) 1.03 (0.73-1.44) 1.56 (1.20-2.02)
Age at first intercourse with a female partner (years)         
≥ 15 1   1   1   1  
≤ 14 1.19 (1.06-1.34) 1.31 (0.95-1.80) 1.12 (0.93-1.36) 1.28 (1.08-1.53)
Lifetime number of sexual partners         
1 1   1   1   1  
2-4 2.55 (1.65-3.93) 0.82 (0.39-1.73) 3.23 (1.54-6.79) 4.54 (1.96-10.50)
5-9 5.18 (3.41-7.86) 1.81 (0.90-3.68) 6.78 (3.31-13.91) 8.08 (3.56-18.37)
≥ 10 12.81 (8.50-19.31) 3.57 (1.75-7.29) 14.52 (7.14-29.53) 22.19 (9.87-49.87)
Number of new sex partners in past 6 months         
0 1   1   1   1  
1 1.36 (1.21-1.53) 1.62 (1.13-2.31) 1.31 (1.09-1.58) 1.34 (1.13-1.60)
≥ 2 1.88 (1.62-2.18) 1.54 (1.04-2.27) 2.05 (1.61-2.60) 2.63 (2.07-3.34)
  1. All ORs are mutually adjusted for all variables in the table and for age as a continuous variable