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

Table 1 Baseline demographic and sexual behavior characteristics of participants in Beijing

Variables	Frequency, n = 112	%
Age in yr
20-30	49	43.7
31-40	44	39.3
41-50	15	13.4
51-60	4	3.6
Sex
Male	109	97.3
Female	3	2.7
Education level
High school or below	16	14.3
College and undergraduate	68	60.7
Postgraduate or above	28	25
Monthly expenditure in RMB
Less than 1000	8	7.5
1000-2999	25	22.6
3000-4999	20	17
5000 and above	59	51.9
Sexual orientation
Heterosexual	29	25.9
Homosexual	69	61.6
Bisexual	14	12.5
History of STD
Yes	16	14.3
No	96	85.7
History of drug use
Yes	10	8.9
No	102	91.1

STD: Sexually transmitted disease.