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Table 2 Bivariate analysis of factors associated with completion of the vaccine series for men who have sex with men and use geosocial dating apps in Brazil (n = 1855)

From: Factors associated with self-reported non-completion of the hepatitis B vaccine series in men who have sex with men in Brazil

Variables Complete Series   
Yes No Total p-value*
n (%) n (%) n (%)  
Education        < 0.001*
 Secondary Education 46 13.2 303 86.8 349 100  
 University 231 21.3 856 78.7 1087 100  
 Postgraduate 152 59.0 219 41.0 371 100  
Region of residence†        0.023*
 North 12 14.5 71 85.5 83 100  
 Northeast 59 21.9 211 78.1 270 100  
 Center-West 56 31.5 122 68.5 178 100  
 Southeast 207 22.4 717 77.6 924 100  
 South 95 26.4 265 73.6 360 100  
Sexual Orientation†        < 0.001**
 Heterosexual 25 14.3 148 85.7 173 100  
 Homosexual 368 26.0 1047 74.0 1415 100  
 Bisexual 43 16.5 217 83.4 260 100  
Marital Status        0.005*
 Single 320 22.8 1084 77.2 1404 100  
 Stable relationship 117 25.9 334 74.1 451 100  
Had an STD in the last 12 months        0.003*
 Yes 66 29.6 157 70.4 223 100  
 No 352 23.5 1143 76.5 1495 100  
 I don’t know 19 13.9 118 86.1 137 100  
HIV status        < 0.001*
 HIV+ 71 47.7 78 52.3 149 100  
 HIV- 304 24.9 918 75.1 1222 100  
 I don’t know 62 12.8 422 87.2 484 100  
Prevention via condom***        0.097
 Yes 405 23.5 1315 76.5 1720 100  
 No 32 23.7 103 76.3 135 100  
Use of alcohol during sex***†        0.003*
 Yes 205 24.0 648 76.0 853 100  
 No 229 23.0 766 77.0 995 100  
Use of illicit drugs during sex***†        0.338
 Yes 94 22.8 318 77.2 412 100  
 No 318 77.2 1100 76.2 1418 100  
Frequency of visits to health services        < 0.001*
 Monthly 68 31.8 146 68.2 214 100  
 2 months 68 27.9 176 72.1 244 100  
 6 months 163 26.9 442 73.1 605 100  
 Annually 87 24.3 271 75.7 358 100  
 Rarely 51 11.8 383 88.2 434 100  
Health information source
Health professional        < 0.001*
 Yes 309 28.6 770 71.4 1079 100  
 No 128 16.5 648 83.5 776 100  
Family member        0.515
 Yes 24 21.1 90 78.9 114 100  
 No 413 23.7 1328 76.3 1741 100  
Television        0.032*
 Yes 19 15.6 103 84.4 122 100  
 No 418 24.1 1315 75.9 1733 100  
Internet        < 0.001*
 Yes 339 79.0 1272 79.0 1611 100  
 No 98 40.2 146 59.8 244 100  
Testing and counseling center        < 0.001*
 Yes 117 30.9 262 69.1 379 100  
 No 320 21.7 1156 78.3 1476 100  
Testing location        0.006*
 Yes 61 31.4 133 68.6 194 100  
 No 376 22.6 1285 77.4 1661 100  
  1. *Statistical significance was set at 0.05; **Fisher’s exact test; ***30 days prior to the survey
  2. †Value of n differs due to it not being required to answer the question