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Table 2 Comparison of baseline sociodemographics and behavior characteristics between Chinese MSM who had condomless sex (n = 453) and those who did not (n = 338) during the three-month follow-up period, 2015

From: Driving force of condomless sex after online intervention among Chinese men who have sex with men

  Condomless sex, N (%) χ 2 XP value
No Yes
Agea (mean, SD) 24, 6.3 26, 7.0 −3.23 < 0.01
Gender Identity
 Gay 259 (76.7) 311 (68.7) 6.11 0.01
 Othersb 79 (23.4) 142 (31.4)   
Education
 High School or Below 111 (32.8) 142 (31.4) 0.20 0.66
 College or above 227 (67.2) 311 (68.7)   
Annual income, US$
 < 2700 134 (39.6) 102 (22.5) 33.83 < 0.01
 2701–5500 74 (21.9) 132 (29.1)   
 5501–9100 87 (25.7) 119 (26.3)   
 9101–15000 32 (9.5) 63 (13.9)   
 > 15001 11 (3.3) 37 (8.2)   
Student status
 No 196 (58.0) 300 (66.2) 5.62 0.02
 Yes 142 (42.0) 153 (33.8)   
Marital status
 Never married 300 (88.8) 367 (81.0) 8.78 < 0.01
 Ever married 38 (11.2) 86 (19.0)   
Ever tested for HIV/Syphilis
 No 157 (46.5) 187 (41.3) 2.10 0.15
 Yes 181 (53.6) 266 (58.7)   
HIV status
 Positive 13 (3.9) 12 (2.7) 2.19 0.34
 Negative 159 (47.0) 234 (51.7)   
 Unknown 166 (49.1) 207 (45.7)   
Sex under the influence of alcohol c
 No 307 (90.8) 380 (83.9) 8.17 < 0.01
 Yes 31 (9.2) 73 (16.1)   
Group sexd
 No 308 (91.1) 400 (88.3) 1.64 0.20
 Yes 30 (8.9) 53 (11.7)   
Ever had sex tourism
 No 328 (97.0) 418 (92.3) 8.20 < 0.01
 Yes 10 (3.0) 35 (7.7)   
Receptive anal position with stable male partnerc
 No 215 (63.6) 232 (51.2) 12.10 < 0.01
 Yes 123 (36.4) 221 (48.8)   
Receptive anal position with casual male partnerc
 No 161 (47.6) 176 (38.9) 6.10 0.01
 Yes 177 (52.4) 277 (61.2)   
Viewed additional condom use promotion videosce
 No 179 (53.0) 284 (62.7) 7.56 < 0.01
 Yes 159 (47.0) 169 (37.3)   
Community engagement in sexual health
 None/Minimal 76 (22.5) 136 (30.0) 8.47 0.01
 Moderate 182 (53.9) 240 (53.0)   
 Substantial 80 (23.7) 77 (17.0)   
  1. a3 missing values
  2. bIncluding bisexual, heterosexual, and unsure
  3. cin the last 3 months
  4. d in the last 12 months
  5. eat the 3-month follow up survey
  6. t-value for t-test
  7. p-value for t-test