On the other hand, although marginally significant, the less they used condoms (OR, 1.38; 95% CI, 0.95 to 2.02) and the longer the exposure period (OR, 1.07; 95% CI, 0.99 to 1.16), the higher the possibility of STD infection risk.
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Comparison of sexual risky factors of men who have sex with men and sex-buying men as groups vulnerable to sexually transmitted diseases.
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