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 |
|
|