Table 2 Factors correlated with engaging in group sex (n = 1122)
Factors | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
OR(95% CI) | P value | aOR(95% CI) | P value | |
Age (years) | ||||
≤25 | 1 | |||
> 25 | 2.08(1.35–3.19) | 0.001 | 2.96(1.87–4.68) | < 0.001 |
Education | ||||
Senior high school and below | 1 | |||
College and above | 1.05(0.73–1.52) | 0.792 | ||
Occupation | ||||
Enterprise, public institution or government | 1 | |||
Service industry, solo business owners and others | 0.88(0.58–1.35) | 0.561 | ||
Marital status | ||||
Single | 1 | |||
Married or cohabitating | 0.78(0.49–1.25) | 0.302 | ||
Divorced or widowed | 0.90(0.43–1.85) | 0.770 | ||
Monthly individual income, Yuan | ||||
< 3000 | 1 | |||
≥3000 | 0.83(0.57–1.21) | 0.330 | ||
Sexual orientation | ||||
Homosexual | 1 | |||
Bisexual | 0.58(0.37–0.93) | 0.023 | 0.65(0.39–1.07) | 0.087 |
Uncertain | 0.41(0.05–3.16) | 0.395 | 0.57(0.07–4.52) | 0.598 |
Seeking sex partners through the internet | ||||
No | 1 | |||
Yes | 3.43(1.77–6.66) | < 0.001 | 3.16(1.59–6.29) | 0.001 |
Preferred sexual role with males | ||||
Insertive anal intercourse | 1 | |||
Receptive anal intercourse | 1.66(1.01–2.73) | 0.046 | 1.91(1.12–3.26) | 0.017 |
Versatile anal intercourse | 0.92(0.57–1.48) | 0.723 | 1.08(0.66–1.78) | 0.755 |
Age at sexual debut (years) | ||||
≥18 | 1 | |||
< 18 | 0.27(0.83–1.96) | 0.272 | ||
Ever using poppers | ||||
No | 1 | |||
Yes | 1.94(1.31–2.87) | 0.001 | 1.88(1.25–2.83) | 0.002 |