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Table 1 Demographic and other characteristics of study participants by perceived risk and bivariate logistic regression of high versus low perceived risk

From: Actual sexual risk and perceived risk of HIV acquisition among HIV-negative men who have sex with men in Toronto, Canada

   Totala Perceived risk OR 95 % CI
Characteristics    Low (n = 116) High (n = 29)   
   n(%) n(%) n(%)   
Age (years) <30 9 (6.29) 5 (4.35) 4 (14.29) 1.00  
  30–39 36 (25.17) 28 (24.35) 8 (28.57) 0.41 0.093, 1.83
  40–49 57 (39.86) 47 (40.87) 10 (35.71) 0.38 0.093, 1.58
  50–59 32 (22.38) 28 (24.35) 4 (14.29) 0.21 0.041, 1.11
  60+ 9 (6.29) 7 (6.09) 2 (7.14) 0.43 0.057, 3.22
Ethnicity White 119 (84.40) 96 (85.71) 23 (79.31) 1.00  
  Other 22 (15.60) 16 (14.29) 6 (20.69) 1.66 0.62, 4.47
Education High School or less 9 (6.21) 8 (6.90) 1 (3.45) 1.00  
  Some or completed undergraduate 103 (71.03) 81 (69.83) 22 (75.86) 1.42 0.29, 6.94
  Some or completed graduate 33 (22.76) 27 (23.28) 6 (20.69) 1.11 0.19, 6.44
Personal Income $19,999 or less 35 (24.31) 25 (21.55) 10 (35.71) 1.00  
  $20,000–$59,999 60 (41.67) 49 (42.24) 11 (39.29) 0.60 0.23, 1.54
  $60,000–$99,999 31 (21.53) 26 (22.41) 5 (17.86) 0.47 0.14, 1.55
  $100,000 or more 18 (12.50) 16 (13.79) 2 (7.14) 0.31 0.060, 1.56
Lifetime number of HIV tests Less than 5 27 (18.62) 25 (21.55) 2 (6.90) 1.00  
5–9 44 (30.34) 33 (28.45) 11 (37.93) 2.89 0.73, 11.44
  10–19 41 (28.28) 32 (27.59) 9 (31.03) 2.36 0.58, 9.62
  20–29 23 (15.86) 17 (14.66) 6 (20.69) 3.06 0.67, 13.91
  30 or more 10 (6.90) 9 (7.76) 1 (3.45) 0.96 0.089, 10.48
Ever STI diagnosis no 40 (27.59) 33 (28.45) 7 (24.14) 1.00  
  yes 105 (72.41) 83 (71.50) 22 (75.86) 1.33 0.52, 3.38
Ever taken post-exposure prophylaxis (PEP) No 130 (90.28) 105 (91.30) 25 (86.21) 1.00  
Yes 14 (9.72) 10 (8.70) 4 (13.79) 2.54 0.85, 7.66
Used amyl nitrite (poppers) in previous 6 months No 104 (72.73) 91 (79.13) 13 (46.43) 1.00  
Yes 39 (27.27) 24 (20.87) 15 (53.57) 3.88 1.66, 9.02
Used methamphetamines or crystal meth in previous 6 months No 129 (90.21) 106 (92.17) 23 (82.14) 1.00  
Yes 14 (9.79) 9 (7.83) 5 (17.86) 2.40 0.74, 7.78
Marital status Married/common law to male or female 55 (38.19) 45 (38.79) 10 (35.71) 1.00  
  Divorced/separated/widowed from male or female 22 (15.28) 18 (15.52) 4 (14.29) 1.00 0.28, 3.60
  Single, never married 67 (46.53) 53 (45.69) 14 (50.00) 1.31 0.54, 3.17
Component 1: Condom use during insertive or receptive anal sex with casual male partner or number of casual partners Low 49 (33.79) 42 (36.21) 7 (24.14) 2.29 0.82, 6.39
Med 49 (33.79) 40 (34.48) 9 (31.03) 1.35 0.46, 3.97
High 47 (32.41) 34 (29.31) 13 (44.83) 1.00  
Component 2: Condom use during insertive or receptive anal sex with an HIV-positive regular male partner Low 48 (33.10) 40 (34.48) 8 (27.59) 1.60 0.62, 4.12
Med 31 (21.38) 26 (22.41) 5 (17.24) 0.96 0.28, 3.62
High 66 (45.52) 50 (43.10) 16 (55.17) 1.00  
Component 3: Condom use during insertive or receptive anal sex with an HIV-unknown status regular male partner Low 49 (33.79) 38 (32.76) 11 (37.93) 2.07 0.71, 6.01
Med 72 (49.66) 63 (54.31) 9 (31.03) 0.49 0.19, 1.30
High 24 (16.55) 15 (12.93) 9 (31.03) 1.00  
HIRI-MSM score (continuous) median (IQR) 10 (2–19) 9 (2–16) 18 (8–25) 1.07 1.02, 1.11
HIRI-MSM score 9 or less 68 (46.90) 60 (51.72) 8 (27.59) 1.00  
  10 or more 77 (53.10) 56 (48.28) 21 (72.41) 2.25 0.98, 5.18
  1. aNumber of subjects missing values or answering ‘don’t know’ or refuse to answer for age (2), ethnicity (4), personal income (1), PEP use (1), poppers (2), methamphetamines (2), marital status (1)
  2. OR Odds Ratio, 95 % CI 95 % Confidence Intervals, STI Sexually transmitted infection, HIRI-MSM HIV Risk Index for MSM