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. 2018 Dec 10;15(12):2815. doi: 10.3390/ijerph15122815

Table 3.

Multivariate binary logistic regression for inconsistent condom use with regular male partners (n = 1404).

Number of Respondents (n) % Reporting Inconsistent Condom Use with Regular Male Partner Unadjusted Odds Ratio (95% CI) p-Value Adjusted Odds Ratio (95% CI) p-Value
Age (years)
18-25 271 31.4 REF REF
26–35 482 37.1 1.15 (0.98–1.35) 0.078 1.02 (0.83–1.26) 0.823
36–45 429 37.8 1.11 (1.00–1.23) 0.059 0.96 (0.83–1.11) 0.572
46+ 217 42.9 1.14 (1.04–1.25) 0.006 1.05 (0.93–1.18) 0.469
Place of Birth
Other 58 27.1 REF
Japan 1345 37.4 1.61 (0.90–2.88) 0.112
Education
High School or less 360 43.3 REF REF
Two-year university 232 37.1 0.94 (0.86–1.02) 0.130 0.92 (0.84–1.02) 0.101
University 682 35.0 0.71 (0.54–0.92) 0.009 0.64 (0.47–0.88) 0.005
Graduate degree 130 29.2 0.54 (0.35–0.83) 0.005 0.75 (0.46–1.24) 0.270
Employment
Full-time work 968 38.2 REF REF
Part-time work 157 40.1 1.08 (0.77–1.53) 0.653 0.85 (0.56–1.27) 0.428
Student 144 23.6 0.50 (0.33–0.75) 0.001 0.52 (0.30–0.88) 0.016
Self-employed 82 36.6 0.93 (0.58–1.49) 0.766 0.91 (0.54–1.54) 0.729
Unemployed 51 41.2 1.13 (0.64–2.00) 0.675 1.18 (0.62–2.23) 0.612
Current marital status
Single 1340 36.2 REF REF
Married 63 54.0 2.07 (1.24–3.43) 0.005 2.03 (1.10–3.76) 0.024
Current residence
Central Tokyo 765 37.9 REF
Greater Tokyo 446 36.1 0.93 (0.73–1.18) 0.534
Other prefecture 182 35.7 0.91 (0.65–1.28) 0.586
Intercourse partners
Only men 1280 38.0 REF REF
Men and women 122 27.0 0.61 (0.40–0.92) 0.018 0.54 (0.34–0.88) 0.013
Health
Fair/Poor health 498 39.8 REF
Healthy 904 35.4 0.83 (0.66–1.04) 0.106
Out to close friends
No 549 36.6 REF
Yes 838 37.2 1.03 (0.82–1.28) 0.815
Identify as a member of the gay community
No 236 32.6 REF REF
Yes 1155 37.7 1.25 (0.93–1.68) 0.144 1.50 (1.07–2.10) 0.020
Use gay apps for sex
No 511 31.9 REF REF
Yes 887 39.9 1.42 (1.13–1.78) 0.003 1.15 (0.89–1.50) 0.291
Use gay apps to find friends
No 339 41.9 REF REF
Yes 1053 35.3 0.76 (0.59–0.97) 0.030 0.73 (0.54–0.97) 0.028
Use gay apps to avoid being identified as gay
No 1268 36.8 REF
Yes 115 40.0 1.15 (0.78–1.70) 0.490
Use gay apps to find a serious relationship
No 631 40.4 REF REF
Yes 756 34.0 0.76 (0.61–0.95) 0.014 0.85 (0.66–1.10) 0.218
Ever attended a gay bar
No 583 37.2 REF
Yes 817 36.8 0.98 (0.79–1.23) 0.885
Participation in gay group/community or volunteer activities
No 1207 38.9 REF REF
Yes 194 25.3 0.53 (0.38–0.75) 0.000 0.51 (0.34–0.75) 0.001
Hattenba attendance
No 716 34.9 REF
Yes 684 39.0 1.19 (0.96–1.48) 0.111
Confident in ability to use condoms when partner doesn’t want to
No 839 49.8 REF REF
Yes 558 17.6 0.22 (0.17–0.28) 0.000 0.31 (0.23–0.41) 0.000
Able to avoid behavior that puts me at risk of HIV infection
No 654 51.4 REF REF
Yes 736 24.0 0.30 (0.24–0.38) 0.000 0.54 (0.41–0.71) 0.000
Difficult to talk about condoms with partners
No 1280 35.0 0.32 (0.22–0.48) 0.000 0.45 (0.29–0.71) 0.001
Yes 112 62.5 REF REF
Difficult to have safe sex when drunk
No 785 32.1 REF REF
Yes 609 43.7 0.61 (0.49–0.76) 0.000 0.77 (0.60–0.99) 0.043
Attend regular drinking parties
No 314 37.9 REF
Yes 1079 36.7 0.95 (0.73–1.23) 0.699