Table 2.

Predictors of Willingness to Participate in a Circumcision Trial among Two Hundred Eighty-Four Chinese Men Who Have Sex with Men

Variables	n	WTP (%)	Crude OR	95% CI	Adjusted OR	95% CI
Having a Beijing resident card
Yes	98	31.6	1.0		1.0
No	186	49.5	2.12	1.26–3.54a	1.99	1.17–3.38b
Finding sexual partners through Internet in the last 3 months
Yes	214	38.3	1.0		1.0
No	70	58.6	2.28	1.31–3.94a	2.13	1.21–3.75b
Number of male sexual partners in the past 3 months
< 2	128	49.2	1.0
≥ 2	156	38.5	0.64	0.40–1.04
It might be easier to acquire STDs if:
Circumcised	18	27.8	1.0
Uncircumcised	130	50.0	2.60	0.88–7.71
No difference or don't know	136	39.0	1.66	0.56–4.93
Which one might increase your sexual pleasure if:
Circumcised	61	54.1	1.0
Uncircumcised	20	55.0	1.04	0.38–2.86
No difference or don't know	203	38.9	0.54	0.30–0.96b
Which one might increase your partner's sexual pleasure if:
Circumcised	43	53.5	1.0
Uncircumcised	12	75.0	2.61	0.62–10.98
No difference or don't know	229	39.7	0.57	0.30–1.10
Concerned that circumcision might not be effective
Yes	81	28.4	1.0		1.0
No	203	49.3	2.45	1.40–4.27a	2.37	1.34–4.19a
Concerned about any side effects of circumcision
Yes	190	49.5	1.0
No	94	37.2	0.61	0.36–1.00

^ap < 0.01; ^bp < 0.05.

WTP, willingness to participate; 95% CI, 95% confidence interval; OR, odds ratio; STDs, sexually transmitted diseases.