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Table 1 Demographic and behavioral characteristics of vocational school students in Bangkok (N = 638)

From: Pride-based violence, intoxicated sex and poly-drug use: a vocational school-based study of heterosexual and LGBT students in Bangkok

  Total (N = 638) LGBT (n = 89) Heterosexual male/female (n = 549) p-valued
Age
 Less than or equal to 16 years 337 (52.8%) 52 (85.4%) 285 (51.9%) 0.253
 More than or equal 17 years 301 (47.2%) 37 (41.6%) 264 (48.1%)  
Type of School
 Public 334 (52.4%) 53 (59.6%) 281 (51.2%) 0.143
 Private 304 (47.6%) 36 (40.4%) 268 (48.8%)  
GPAa
 Less than or equal to 2.5 258 (40.4%) 33 (37.1%) 225 (41.0%) 0.486
 More than 2.5 380 (59.6%) 56 (62.9%) 324 (59.0%)  
Pride-based Violenceb
 Yes 107 (16.8%) 19 (21.3%) 88 (16.0%) 0.213
 No 531 (83.2%) 70 (78.7%) 461 (84.0%)  
Intoxicated sex
 Yes 131 (20.5%) 16 (18.0%) 115 (21.0%) 0.520
 No 507 (79.5%) 73 (82.0%) 434 (79.0%)  
Counseling need
 Yes 153 (24.0%) 29 (32.6%) 124 (22.6%) 0.040
 No 485 (76.0%) 60 (67.4%) 425 (77.4%)  
Substance use
 Kratom cocktail/4 × 100 166 (26.0%) 22 (24.7%) 144 (26.2%) 0.763
 Pro 150 (23.5%) 22 (24.7%) 128 (23.3%) 0.772
 B5 50 (7.8%) 12 (13.5%) 38 (6.9%) 0.033
 Xanax / Alprazolam 37 (5.8%) 17 (19.1%) 20 (3.6%) < 0.001
 Amphetamine (Yaba/Yama) 23 (3.6%) 8 (9.0%) 15 (2.7%) 0.003
 Crystal Methamphetamine 26 (4.1%) 8 (9.0%) 18 (3.3%) 0.011
 Ecstasy/MDMA (E) 26 (4.1%) 10 (11.2%) 16 (2.9%) < 0.001
 Ketamine 60 (9.4%) 11 (12.4%) 49 (8.9%) 0.303
 Injecting Heroin 16 (2.5%) 7 (7.9%) 9 (1.6%) < 0.001
 Injecting Crystal Methamphetamine 15 (2.4%) 7 (7.9%) 8 (1.5%) < 0.001
Use of more than one substance
 Two or more 148 (23.2%) 24 (27.0%) 124 (22.6%) 0.364
 Three or more / Poly-drug usec 72 (11.3%) 18 (20.2%) 54 (9.8%) 0.004
  1. a GPA, Grade Point Average, ranges from 0.0 to 4.0 with 4.0 representing a perfect academic record. We chose 2.5 as a cutoff point because in Thailand, one would need a minimum 2.5 GPA to qualify for admission to higher education
  2. b Pride-based violence is defined as violence based on institutional pride, honor, or seniority status
  3. c Poly-drug use refers to any three of the following drugs: kratom cocktail/4 × 100, pro, B5, Xanax/Alprazolam, amphetamine, crystal methamphetamine, ecstasy/MDMA, ketamine, injecting heroin and injecting crystal methamphetamine in part six months
  4. d p-value obtained from Pearson’s χ2 test