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. 2018 Feb 14;24:912–918. doi: 10.12659/MSM.905789

Table 1.

Sociodemographic and characteristics of the participants in this study.

Factor n (%) n p Value
Infected Not infected
Total 1205 704 501
Age (years)
 20 or less 211 (17.5) 163 48 0.00
 21 to 35 432 (35.9) 217 215
 36 to 50 306 (25.4) 181 125
 ≥51 256 (21.2) 143 113
Education (years)
 <12 710 (58.9) 289 421 0.00
 ≥12 495 (41.1) 415 80
Monthly income (in RMB)
 <3000 415 (34.4) 120 295 0.00
 3001 to 5000 489 (40.6) 349 140
 >5000 301 (25.0) 235 66
Sexual preference
 Homosexual 380 (31.5) 271 109 0.00
 Heterosexual 698 (57.9) 321 377
 Bisexual 127 (10.5) 112 15
Marital status
 Married 712 (59.1) 471 241 0.00
 Single/Divorced 493 (40.9) 233 260
Number of sex partners
 1 588 (48.8) 176 412 0.00
 2 371 (30.8) 248 123
 ≥3 246 (20.4) 230 16
Sexual activity
 Vaginal penetration 312 (25.9) 116 196 0.00
 Anal penetration 432 (35.9) 210 222
 Any genital contact 461 (38.3) 358 103
Frequency of condom use
 Every time 156 (12.9) 40 106 0.00
 Sometimes 761 (63.2) 420 341
 Never 288 (23.9) 244 44
Previous STDs diagnosis
 Yes 148 (12.3) 125 23 0.00
 No 1057 (87.7) 579 478
Smoking status
 Yes 897 (74.4) 541 356 0.02
 No 308 (25.6) 163 145

STD – sexually transmitted disease.