Skip to main content
. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: J Addict Dis. 2012 Oct;31(4):332–341. doi: 10.1080/10550887.2012.735564

Table 1.

Means and standard deviations of predictor variables as a function of opioid user groups.

Nonusers (n=2158) Medical Users (n=323) Nonmedical Self-treaters (n=70) Nonmedical Sensation-Seekers (n=66)

M SD M SD M SD M SD
Anxious/Depressed (YSR) 3.98abc 4.08 5.92a 5.53 5.71b 4.41 7.50c 5.65
Withdrawn/Depressed (YSR) 3.12abc 2.79 3.98a 3.28 4.14b 2.76 5.22c 3.13
Somatic Complaints (YSR) 2.82abc 2.74 4.69a 4.01 4.56b 3.36 5.17c 4.10
Rule Breaking (YSR) 3.63abc 3.35 4.85a 4.15 4.91be 3.85 10.25c 6.52
Aggressive Behavior (YSR) 5.05abc 4.27 6.26ad 4.96 7.64be 4.39 10.38c 6.28
Physical Symptoms 1.92ab .83 2.30ac 1.31 2.09d .91 2.82bcd 1.31
Binge Drinking .03ad .17 .06b .25 .09c .28 .43abc .05
Marijuana Use .09ad .29 .16b .37 .14c .35 .51abc .50
Illicit Substance Use* .03a .29 .06b .23 .06c .23 .31abc .47
CRAFFT score .40a 1.00 1.72b 1.36 .81ce 1.22 2.45abc 2.33
Early Sexual Behavior 2.21ad 1.08 2.55b 1.07 2.39c 1.11 3.10abc 1.03
Sexual Victimization 1.25abc .53 1.44a .68 1.45b .75 1.57c .83
Social Victimization 1.79acd .80 1.96bc .80 2.06d .80 2.39ab .93
Physical Victimization 1.35a .57 1.43 .69 1.47 .71 1.57a .71

Note: Means with the same subscript differ significantly at the p<.05 level. Total number of cases in analyses ranged from 2530 to 2597 due to missing cases on some of the predictor variables.

*

Illicit substance use excludes marijuana use.