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. 2009 Jul 9;6:15. doi: 10.1186/1477-7517-6-15

Table 1.

Sociodemographic and drug use characteristics by witnessing or knowing someone died from overdose in prison

Total Sample
N = 1,179
Witnessed someone
suffering an overdose
in prison (n = 1,155)a
p value Know someone
dying from an
overdose in prison
(n = 1,157)b
p value
Yes (n = 525, 45.5%) Yes (n = 390, 33.7%)
n (%) n (%) n (%)
Gender
Male 959 (81.3) 488 (52.1) p < 0.001 361 (38.5) p < 0.001
Female 220 (18.7) 37 (17.0) 29 (13.3)
Age
18–24 years 277 (23.5) 84 (31.0) p < 0.001 72 (26.6) p = 0.001
25–35 years 596 (50.5) 305 (52.4) 225 (38.7)
36 or more 306 (26.0) 136 (45.0) 93 (30.6)
Education level
9th grade or less 449 (38.1) 175 (39.7) p = 0.006 145 (32.9) p = 0.726
10–12th grade 561 (47.6) 274 (49.7) 192 (34.8)
More than 12th grade 169 (14.3) 76 (46.6) 53 (32.1)
Previous incarcerations
First time 427 (36.3) 158 (37.8) p = 0.001 98 (23.4) p < 0.001
1–5 times 603 (51.2) 291 (49.1) 236 (39.8)
More than 5 times 147 (12.5) 75 (52.4) 55 (38.2)
Institution's prevalence of positive urine tests
Very high 206 (17.5) 119 (58.9) p < 0.001 86 (42.4) p = 0.013
High 320 (27.1) 150 (47.9) 102 (32.7)
Normal 399 (33.8) 158 (40.2) 133 (33.8)
Unknown 254 (21.6) 98 (39.7) 69 (27.8)
Experienced an overdose (lifetime)
Yes 144 (12.2) 86 (60.1) p = 0.001 63 (44.1) p = 0.005
No 1035 (87.8) 439 (43.4) 327 (32.3)
Illicit drug use (lifetime)
Yes 1033 (87.6) 483 (47.5) p = 0.001 361 (35.5) p = 0.001
No 146 (12.4) 42 (30.4) 29 (20.7)
Drug injection before entering prison
Yes 323 (27.5) 194 (60.6) p < 0.001 144 (44.9) p < 0.001
No 852 (72.5) 330 (39.6) 245 (29.4)
Drug and alcohol use during this incarceration^
None 632 (53.6) 349 (36.9) p < 0.001 115 (18.6) p < 0.001
Only one type of drug/alcohol 160 (13.6) 25 (89.3) 62 (39.5)
Polydrug with/without alcohol 387 (32.8) 148 (83.1) 213 (55.8)
Drug injection in prison*
None 966 (82.3) 349 (36.9) p < 0.001 262 (27.6) p < 0.001
Drug injection, no risky behaviors 29 (2.5) 25 (89.3) 17 (60.7)
Drug injection, risky behaviors 178 (15.2) 148 (83.1) 110 (61.8)

a, b Although sample size was 1,179, due to missing values, only participants who responded to these items were included in the analysis.

^ Drugs included are marihuana, crack, cocaine, heroin, speedball and/or tranquilizers.

*Risky behaviors include sharing needle equipment, not cleaning needle equipment before injecting, reusing water, backloading, doesn't clean skin prior injecting, sharing cooker and cotton and reusing needles