Table 2

Risk factors associated with overall MG infection
Characteristic Number (%) with characteristic MG infection number (%) Crude odds ratio (95% CI) P value
N = 409
Age in years
 ≤30 233 (57.0) 20 (8.6) 1.18 (0.57–2.44) 0.660
 >30 176 (43.0) 13 (7.4) 1
Ethnicity
 Han 391 (95.6) 32 (8.2) 1.52 (0.20–11.76) 0.691
 Other 18 (4.4) 1 (5.6) 1
Education
 Senior high school or lower 264 (64.5) 24 (9.1) 1.51 (0.68–3.34) 0.308
 Junior college or higher 145 (35.5) 9 (6.2) 1
Marital status
 Unmarried 307 (75.1) 26 (8.5) 1.26 (0.53–2.99) 0.606
 Married 102 (24.9) 7 (6.9) 1
Residential status
 Guangdong Province 97 (23.7) 5 (5.2) 1
 Other Province 312 (76.3) 28 (9.0) 1.81 (0.68–4.83) 0.234
Cohabiting status
 Living alone 186 (45.5) 18 (9.7) 1.09 (0.45–2.60) 0.855
 Living with spouse or family 73 (17.8) 2 (2.7) 0.29 (0.06–1.39) 0.120
 Living with men 61 (14.9) 5 (8.2) 0.90 (0.28–2.91) 0.866
 Living with women or others 89 (21.8) 8 (9.0) 1
Presenting STI symptoms in the past year
 Yes 35 (8.6) 5 (14.3) 2.06 (0.74–5.72) 0.166
 No 374 (91.4) 28 (7.5) 1
Sexual orientation
 Homosexual only 134 (34.4) 10 (7.5) 0.57 (0.11–2.84) 0.488
 Bisexual (homosexual predominance) 240 (61.5) 18 (7.6) 0.57 (0.12–2.69) 0.476
 Bisexual (heterosexual predominance) 16 (4.1) 2 (12.5) 1
Sexual partners
 Only men or predominantly men 349 (89.4) 26 (7.4) 1
 Almost equally or predominantly women 41 (10.5) 4 (9.8) 1.34 (0.44–4.06) 0.601
Commercial sex work
 Sometimes 93 (22.9) 5 (5.4) 0.58 (0.22–1.54) 0.274
 Never 313 (77.1) 28 (8.9) 1
Anal intercourse in the past 6 mo
 Yes 386 (95.1) 32 (8.3) 1.72 (0.22–13.25) 0.604
 No 20 (4.9) 1 (5.0) 1
Unprotected anal intercourse in past 6 mo
 No 275 (71.4) 20 (7.3) 1
 Yes 110 (28.5) 12 (10.9) 1.56 (0.74–3.31) 0.246
Vaginal sex in the past 6 mo
 Yes 106 (26.1) 5 (4.7) 0.48 (0.18–1.28) 0.141
 No 299 (73.8) 28 (9.4) 1
Place for seeking sexual partners
 Non-internet 177 (43.3) 10 (5.6) 0.53 (0.25–1.15) 0.110
 Internet 228 (55.7) 23 (10.1) 1
Illegal substance use in the past year
 Yes 23 (5.7) 1 (4.3) 0.50 (0.07–3.80) 0.496
 No 381 (93.2) 32 (8.4) 1
HIV Infection
 Yes 16 (3.9) 3 (18.7) 2.79 (0.75–10.34) 0.124
 No 393 (96.7) 30 (7.6) 1

Zheng et al.

Zheng et al. BMC Public Health 2014 14:195   doi:10.1186/1471-2458-14-195

Open Data