Table 1

Bivariate analyses of factors associated with reports of police beatings among IDU in Bangkok, Thailand (n= 639)
Characteristic Ever beaten by police Prevalence ratio (95% CI) p - value
Yes No
240 (37.6%) 399 (62.4%)
Calendar year of study enrolment
  2011 144 (43.4%) 188 (56.6%) 1.39 (1.13–1.71) 0.002
  2009 96 (31.3%) 211 (68.7%)
Sociodemographic characteristics
Age
  < 37 years old 119 (38.3%) 192 (61.7%) 1.04 (0.85–1.27) 0.720
  ≥ 37 years old 121 (36.9%) 207 (63.1%)
Gender
  Male 227 (46.7%) 259 (53.3%) 5.50 (3.24–9.33) <0.001
  Female 13 (8.5%) 140 (91.5%)
Income from drug dealing*
  Yes 21 (43.8%) 27 (56.3%) 1.18 (0.84–1.65) 0.335
  No 219 (37.1%) 372 (62.9%)
Drug use behaviour
Heroin injection ever
  Yes 228 (40.3%) 338 (59.7%) 2.45 (1.45–4.15) <0.001
  No 12 (16.4%) 61 (83.6%)
Midazolam injection ever
  Yes 210 (40.0%) 315 (60.0%) 1.52 (1.10–2.10) 0.011
  No 30 (26.3%) 84 (73.7%)
Methamphetamine injection ever
  Yes 180 (39.6%) 274 (60.4%) 1.22 (0.96–1.55) 0.097
  No 60 (32.4%) 125 (67.6%)
Crystal methamphetamine injection ever
  Yes 48 (51.6%) 45 (48.4%) 1.47 (1.17–1.84) <0.001
  No 192 (35.2%) 354 (64.8%)
Syringe sharing ever
  Yes 175 (47.0%) 197 (53.0%) 1.93 (1.52–2.45) <0.001
  No 65 (24.3%) 202 (75.7%)
Experiences with criminal justice system
Ever in prison
  Yes 220 (43.8%) 282 (56.2%) 3.00 (1.98–4.56) <0.001
  No 20 (14.6%) 117 (85.4%)
Ever in compulsory drug detention
  Yes 56 (47.1%) 63 (52.9%) 1.33 (1.06–1.66) 0.012
  No 184 (35.4%) 336 (64.6%)
Healthcare access
Ever accessed methadone treatment
  Yes 200 (42.2%) 274 (57.8%) 1.74 (1.30–2.33) <0.001
  No 40 (24.2%) 125 (75.8%)
Reporting barriers to accessing healthcare
  Any 158 (44.6%) 196 (55.4%) 1.55 (1.25–1.93) <0.001
  None 82 (28.8%) 203 (71.2%)
Health outcomes
HIV serostatus
  Positive 61 (47.3%) 68 (52.7%) 1.35 (1.08–1.67) 0.007
  Negative or unknown 179 (35.1%) 331 (64.9%)
Non-fatal overdose ever
  Yes 81 (52.6%) 73 (47.4%) 1.60 (1.32–1.95) <0.001
  No 159 (32.8%) 326 (67.2%)

IDU people who inject drugs, CI Confidence Interval.

* denotes events/activities in the previous 6 months.

Hayashi et al.

Hayashi et al. BMC Public Health 2013 13:733   doi:10.1186/1471-2458-13-733

Open Data