Effectiveness of onsite and online education in enhancing knowledge and use of human immunodeficiency virus pre- and post-exposure prophylaxis

Table 4 Factors associated with knowledge of pre-exposure prophylaxis

Parameters	OR (95%CI)	P value	AOR (95%CI)	P value
Age in yr
20-30	Reference category
31-40	0.326 (0.114, 0.929)	0.036a	0.268 (0.088, 0.817)	0.021a
41-50	0.147 (0.018, 1.221)	0.147	0.335 (0.082, 1.375)	0.129
51-60	2.062 (0.266, 16.004)	0.489	1.779 (0.303, 10.430)	0.523
Sex
Male	Reference category
Female	4.253 (0.252, 71.662)	0.550	1.938 (0.128, 29.374)	0.633
Education level
High school or below	Reference category
College and undergraduate	0.920 (0.191, 4.432)	0.917	0.325 (0.089, 1.181)	0.088
Postgraduate or above	0.131 (0.023, 0.757)	0.023a	0.196 (0.044, 0.873)	0.032a
Monthly expenditure in RMB
Less than 1000	Reference category
1000-2999	0.706 (0.170, 2.923)	0.631	0.511 (0.085, 3.086)	0.464
3000-4999	0.447 (0.119, 1.669)	0.231	0.747 (0.121, 4.628)	0.754
5000 and above	0.126 (0.019, 0.827)	0.031a	0.142 (0.024, 0.850)	0.035a
Sexual orientation
Heterosexual	Reference category
Homosexual	0.650 (0.197, 2.138)	0.478	0.986 (0.324, 3.006)	0.981
Bisexual	1.625 (0.326, 8.095)	0.553	1.785 (0.223, 14.275)	0.585
History of STD
Yes	Reference category
No	1.445 (0.255, 8.205)	0.678	1.027 (0.259, 4.075)	0.970
History of drug use
Yes	Reference category
No	0.540 (0.104, 2.798)	0.463	0.769 (0.121, 4.870)	0.780

^aP < 0.05. STD: Sexually transmitted disease.