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Table 1 Demographic characteristics (n=733)

From: Risk of violence in drug rehabilitation centers: perceptions of people who inject drugs in Tijuana, Mexico

Variable name Total Feared violence Didn't fear violence p-valuea
  (n=733) (n=253, 34.5%) (n=480, 65.5%)  
Ageb 37 (31, 44) 36 (30, 42) 37 (31, 45) 0.08
Female (n, %) 279 (38.1%) 102 (40.3%) 177 (36.9%) 0.38
Married (n, %) 332 (45.3%) 113 (44.7%) 219 (45.6%) 0.82
Education
Years of education completedb 8 (6,10) 8 (6,11) 8 (6,10) 0.15
Main source of income
No income (n, %) 25 (3.4%) 8 (3.2%) 17 (3.5%) 0.82
Formal source of income (n, %) 502 (68.5%) 177 (70.0%) 325 (67.7%)  
Informal source of income (n, %) 203 (27.7%) 67 (26.5%) 136 (28.3%)  
Homeless (where slept most often last 6 mos)
Homeless (n, %) 146 (19.9%) 60 (23.7%) 86 (17.9%) 0.06
Mobility
Lived in Tijuana whole life (n, %) 278 (37.9%) 107 (42.3%) 171 (35.6%) 0.08
Years lived in Tijuana (n= 454) b 21 (10, 34) 20 (10, 34) 21 (10, 33) 0.54
Drug Use History
Age of first time use of illegal drugb 14 (12,16) 14 (12,16) 14 (12,16) 0.30
Age of first injected drugsb 19 (17,24) 20 (17,25) 19 (17,24) 0.58
Ever used heroin 730 (99.6%) 252 (99.6%) 478 (99.6%) 0.99
Ever used cocaine 559 (76.3%) 171 (67.6%) 388 (80.8%) <0.01
Ever used crystal/methamphetamine 647 (88.3%) 206 (81.4%) 441 (91.9%) <0.01
Interactions with Law Enforcement
Ever stopped by law enforcement 661 (90.2%) 220 (87.0%) 441 (91.9%) 0.04
Ever been told by law enforcement that you would be required to go to drug treatment 17 (2.3%) 10 (4.0%) 7 (1.5%) 0.04
Drug Rehabilitation History
Great or urgent need to get help for drug use (n, %) 375 (51.2%) 144 (56.9%) 231 (48.1%) 0.02
Ever received professional help for drug usec 417 (56.9%) 124 (49.0%) 293 (61.0%) 0.01
Lifetime # of times received professional help for drug use (n=417) b 1 (0, 3) 0 (0, 3) 1 (0, 4) 0.01
Ever enrolled in drug rehabilitation center (n, %) 375 (51.2%) 109 (43.1%) 266 (55.4%) 0.37
# of times enrolled in drug rehabilitation center(n=375) b 1 (0, 3) 0 (0, 2) 1 (0, 3) 0.01
  1. acomparisons of means made using Student t-test, comparisons of proportions made using chi-squared test, all p-values are two-sided
  2. bMedian, interquartile range
  3. cEver received professional help refers to outpatient counseling services and might include drug rehabilitation services