Internet-Based Sex-Seeking Behavior Promotes HIV Infection Risk: A 6-Year Serial Cross-Sectional Survey to MSM in Shenyang, China

Table 1

Univariate and multivariate logistic regression analyses of factors associated with using the Internet to seek male partners among Shenyang MSM .

Variables	Using Internet MSM ()		Non-Internet MSM ()		cOR (95% CI)	aOR (95% CI)
		%		%
Age
≤25 years	600	60.0%	422	43.0%	Ref
>25 years	400	40.0%	559	57.0%	2.0	NA
Monthly income
None	321	32.1%	219	22.3%	Ref
1–300 $	321	32.1%	480	48.9%	0.5	NA
>300 $	358	35.8%	282	28.7%	0.9 (0.7–1.1)	NA
Education level
Junior high school and below	229	22.9%	539	54.9%	Ref
Senior high school and above	771	77.1%	442	45.1%	4.1	NA
Residence place
Other cities	633	63.3%	708	72.2%	Ref	Ref
Shenyang	367	36.7%	273	27.8%	1.5	1.2 (1.0–1.5)
Ethnicity
Non-Han	148	14.8%	161	16.4%	Ref	Ref
Han	852	85.2%	820	83.6%	1.1 (0.9–1.4)	1.0 (0.8–1.3)
Marriage status
Others	181	18.1%	336	34.3%	Ref	Ref
Single	819	81.9%	645	65.7%	2.4	2.0 (1.6–2.5)
Sexual orientation
Bisexual orientation	281	28.1%	366	37.3%	Ref	Ref
Homosexual orientation	704	70.4%	584	59.5%	1.6	1.3
Heterosexual or not sure	15	1.5%	31	3.2%	0.6 (0.3–1.2)	0.6 (0.3–1.1)
Age of male sexual behavior debut
>25 years	90	9.0%	218	22.5%	Ref	Ref
18–25 years	678	68.0%	598	61.6%	2.8	1.9
<18 years	229	23.0%	155	16.0%	3.6	2.5
Condom use with steady male sex partners in the past year
Occasionally or never use	371	58.1%	385	65.3%	Ref	Ref
Always use	268	41.9%	205	34.7%	1.4	1.3
Condom use with casual male sex partners in the past year
Occasionally or never use	384	47.5%	402	57.8%	Ref	Ref
Always use	425	52.5%	294	42.2%	1.5	1.4
Preferred intercourse sexual roles with male partners
Insertive anal sexual role	295	29.7%	339	35.2%	Ref	Ref
Receptive anal sexual role	204	20.5%	148	15.4%	1.6	1.5
Both insertive and receptive	495	49.8%	475	49.4%	1.2 (1.0–1.5)	1.2 (1.0–1.5)
Number of male sexual partners in the past year
>10	272	27.2%	311	31.7%	Ref	Ref
4–10	343	34.3%	296	30.2%	1.3	1.2 (0.9–1.5)
0–3	385	38.5%	374	38.1%	1.2 (1.0–1.5)	0.9 (0.7–1.1)
STD symptoms in the past year
No	946	94.6%	946	96.4%	Ref	Ref
Yes	54	5.4%	35	3.6%	1.5 (1.0–2.4)	1.6

a: adjusted for age, monthly income, and education level. cOR: crude odds ratio. aOR: adjusted odds ratio. , , . NA, not applicable.