1Health Science Research Institute, Korea University, Seoul, Korea.
2The Institute for Social Development and Policy Research, Seoul National University, Seoul, Korea.
3Medical Research Collaborating Center, Seoul National University Hospital, Seoul, Korea.
4Korea Federation for HIV/AIDS Prevention, Seoul, Korea.
5Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.
Copyright © 2012 The Korean Society for Preventive Medicine
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
The authors have no conflicts of interest with the material presented in this paper.
This article is available at http://jpmph.org/.
MSMs |
SBMs |
||||||
---|---|---|---|---|---|---|---|
Ratio (OR) |
95% CI |
Ratio (OR) |
95% CI |
||||
Lower bound | Upper bound | Lower bound | Upper bound | ||||
Health behavior | Smoking | 2.60 | 0.62 | 10.88 | 1.50 | 0.59 | 3.81 |
Drinking while having sex | 3.04† | 0.81 | 11.32 | 1.02 | 0.38 | 2.76 | |
Social support | No. of family | - | - | - | 0.92 | 0.81 | 1.03 |
No. of friends | 0.94 | 0.86 | 1.03 | - | - | - | |
Sexual risk behavior | No. of sexual partners (log) | - | - | - | 2.29* | 1.12 | 4.69 |
No. of sexual partners for anal sex (log) | 5.87*** | 1.97 | 17.48 | - | - | - | |
Bi-sexual relationships | 0.63 | 0.23 | 1.75 | - | - | - | |
Safe sex | Not use condom | 1.98* | 1.54 | 2.00 | 1.38† | 0.95 | 2.02 |
Self-efficacy | 0.23* | 0.06 | 0.82 | - | - | - | |
Anxiety about STDs | 3.72** | 1.47 | 9.44 | 0.59 | 0.31 | 1.10 | |
Controls | Exposure period | 1.22* | 1.04 | 1.42 | 1.07† | 0.99 | 1.16 |
Education level | - | - | - | 3.03* | 1.22 | 7.50 | |
Sampling areas | 2.06 | 0.77 | 5.52 | - | |||
Constant | 1.36 | 0.67 | |||||
Fit statistics | n | 108 | 118 | ||||
2Log likelihood | 53.62 | 131.61 | |||||
Nagelkerke R2 | 0.54 | 0.24 |
Variables | Groups |
Pearson’s X2 statistic | ||
---|---|---|---|---|
MSMs (n=108) | SBMs (n=118) | |||
Age (y) | 32.33 ± 8.50 | 33.86 ± 7.00 | - | |
Exposure period | 10.29 ± 6.99 | 13.37 ± 6.55 | - | |
No. of sexual partners | 005.31 ± 12.51 | 04.48 ±3.79 | - | |
Educational level | ≤High school | 24 (22.2) | 49 (41.5) | <0.05 |
≥College | 83 (76.9) | 69 (58.5) | - | |
Social support | Family | 4.2 ± 4.00 | 4.4 ± 3.9 | - |
Friends | 8.0 ± 11.4 | 6.2 ± 5.4 | - | |
Others | 8.7 ± 31.1 | 12.3 ± 23.8 | - | |
Smoking | Yes | 45 (41.7) | 81 (70.4) | <0.05 |
No | 62 (57.4) | 35 (29.7) | - | |
Bi-sexual relationships | Have | 55 (50.9) | NA | NA |
Haven’t | 49 (45.4) | NA | - | |
Age of sexual relationships | ≤19-year-old | 35 (33.0) | 31 (26.5) | ns |
>19-year-old | 71 (67.0) | 86 (73.5) | - | |
Condom use | Often | 83 (83.0) | 57 (48.7) | <0.05 |
Rarely | 15 (17.0) | 60 (51.3) | - | |
Drunk while having sexual relations | Yes | 56 (51.8) | 91 (77.3) | <0.05 |
No | 51 (47.2) | 27 (22.9) | - | |
Self-efficacy | High | 76 (73.8) | NA | NA |
Low | 27 (26.2) | NA | - | |
Anxiety about STD infection | High | 42 (38.9) | 31 (26.2) | <0.05 |
Average | 40 (37.0) | 69 (58.5) | - | |
Low | 24 (22.2) | 18 (15.3) | - | |
Health status | Healthy | 64 (59.2) | 80 (67.8) | ns |
Average | 35 (32.4) | 35 (29.7) | - | |
Unhealthy | 8 (7.4) | 3 (2.5) | - |
Type | MSMs (n = 108) |
SBMs (n = 118) |
|||
---|---|---|---|---|---|
n | Positive no. (%) | n | Positive no. (%) | ||
Present infection | TP-PA | 108 | 22 (20.4) | NA | - |
Neisseira gonorrhoeae | 106 | 0 (0) | 117 | 0 (0) | |
Chlamydia trachomatis | 106 | 2 (1.9) | 117 | 6 (5.8) | |
HIV | 108 | 7 (6.5) | NA | - | |
Past infection | STDs (self-reported) | 108 | 43 (39.8) | 118 | 57 (48.3) |
MSMs |
SBMs |
||||||
---|---|---|---|---|---|---|---|
Ratio (OR) | 95% CI |
Ratio (OR) | 95% CI |
||||
Lower bound | Upper bound | Lower bound | Upper bound | ||||
Health behavior | Smoking | 2.60 | 0.62 | 10.88 | 1.50 | 0.59 | 3.81 |
Drinking while having sex | 3.04 |
0.81 | 11.32 | 1.02 | 0.38 | 2.76 | |
Social support | No. of family | - | - | - | 0.92 | 0.81 | 1.03 |
No. of friends | 0.94 | 0.86 | 1.03 | - | - | - | |
Sexual risk behavior | No. of sexual partners (log) | - | - | - | 2.29 |
1.12 | 4.69 |
No. of sexual partners for anal sex (log) | 5.87 |
1.97 | 17.48 | - | - | - | |
Bi-sexual relationships | 0.63 | 0.23 | 1.75 | - | - | - | |
Safe sex | Not use condom | 1.98 |
1.54 | 2.00 | 1.38 |
0.95 | 2.02 |
Self-efficacy | 0.23 |
0.06 | 0.82 | - | - | - | |
Anxiety about STDs | 3.72 |
1.47 | 9.44 | 0.59 | 0.31 | 1.10 | |
Controls | Exposure period | 1.22 |
1.04 | 1.42 | 1.07 |
0.99 | 1.16 |
Education level | - | - | - | 3.03 |
1.22 | 7.50 | |
Sampling areas | 2.06 | 0.77 | 5.52 | - | |||
Constant | 1.36 | 0.67 | |||||
Fit statistics | n | 108 | 118 | ||||
2Log likelihood | 53.62 | 131.61 | |||||
Nagelkerke R2 | 0.54 | 0.24 |
Missing and non-response items are excluded. MSMs, men who have sex with men; SBMs, sex-buying men; NA, not applicable; ns, not significant; STD, sexually transmitted disease.
MSMs, men who have sex with men; SBMs, sex-buying men; NA, not applicable; TP-PA, treponema pallidum antibodies; HIV, human immunodeficiency virus; STD, sexually transmitted disease.
MSMs, men who have sex with men; SBMs, sex-buying men; OR, odds ratio; CI, confidence interval; STD, sexually transmitted disease.