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Table 1 Characteristics of heterosexual men visiting the STI clinic who purchased sex vs. those who did not purchase sex

From: Heterosexual men who purchase sex and attended an STI clinic in Israel: characteristics and sexual behavior

   Univariate analysis Multivariate analysis
   Paid for sex
1649 (%)
Did not pay for sex 4507 (%) OR (95% CI) P OR (95% CI) P
Age 18–29 681 (41.5) 2426 (54.0) 1 (ref) < 0.001 1 (ref) 0.005
≥30 964 (58.5%) 2060 (46.0) 1.6 (1.4–1.8) 1.4 (1.1–1.9)
Relationship statusa Single (single, divorced & widowed) 1014 (75.5) 3346 (85.0) 1 (ref) < 0.001 1 (ref) 0.03
Married 331 (24.5) 582 (15.0) 1.4 (1.2–1.6) 1.46 (1.02–2.0)  
Country of birth Israel 1083 (66.5) 3128 (70.5) 1 (ref)   1 (ref)  
Western Countries 48 (3.0) 176 (4.0) 0.7 (0.5–1.0) 0.1 0.7 (0.3–1.5) 0.4
North Africa and Middle East 40 (2.5) 36 (1.0) 3.2 (2.0–5.0) < 0.001 2.0 (0.7–5.6) 0.2
The FSU 328 (20.0) 648 (14.5) 1.4 (1.2–1.6) < 0.001 1.6 (1.1–2.3) 0.01
Asia 38 (2.5) 54 (1.2) 2.0 (1.3–3.0) < 0.001 2.7 (1.02–7.6) 0.03
Africa 72 (4.5) 358 (8.0) 0.5 (0.4–0.7) < 0.001 1.0 (0.6–1.6) 0.7
South America 17 (1.0) 44 (1.0) 1.1 (0.6–1.9) 0.7 1.1 (0.3–3.8) 0.8
Reason for attending clinic Symptomatic or sex with a symptomatic partner 378 (23.0) 800 (18.0) 1.3 (1.2–1.5)  < 0.001 1.8 (1.3–2.4) < 0.001
Self-referral screening 1271 (77.0) 3707 (82.0) 1 (ref) 1 (ref)  
Age sexual debut < 18 years 874 (56.0) 2185 (50.5) 1.2 (1.1–1.4) < 0.001 1.0 (0.8–1.3) 0.8
≥ 11 sexual partners during lifetimea 1134 (72.0) 2322 (53.0) 2.0 (1.8–2.3) < 0.001 1.6 (1.2–2.1) < 0.001
≥6 sexual partners within the last 3 months 303 (19.0) 391 (9.0) 2.3 (1.9–2.7) < 0.001   
Irregular or no use of condom during vaginal sex 1234 (79.0) 3447 (82.0) 0.8 (0.7–0.9) 0.03 0.9 (0.7–1.4) 0.8
Irregular or no use of condom during anal sex 430 (77.5) 977 (78.5) 0.9 (0.7–1.2) 0.6   
Performed sex with a non-Israeli partner within the last 3 months 126 (28.5) 315 (21.5) 1.4 (1.1–1.8) < 0.001 1.1 (0.8–1.5) 0.2
Performs sex under the influence of drugs 741 (45.5) 1345 (30.0) 1.9 (1.7–2.2) < 0.001 1.9 (1.4–2.5) < 0.001
Uses shared syringes 114 (10.0) 234 (7.0) 1.4 (1.1–1.8) < 0.001   
Reported Previous STI diagnosisa 263 (16.0) 404 (9.0) 1.7 (1.4–2.0) < 0.001 1.5 (1.09–2.2) 0.01
STI diagnosis at current visitb 85 (5.0) 208 (4.5) 1.1 (0.8–1.4) 0.3   
  1. OR Odds Ratio, CI Confidence Interval, STI Sexually Transmitted Infection, FSU Former Soviet Union
  2. aOR adjusted to age in the univariate analysis
  3. bHIV, HBsAg, infectious syphilis, pharyngeal or urethral N. Gonorrhea, urethral C. Trachomatis