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. Author manuscript; available in PMC: 2013 Apr 1.
Published in final edited form as: J Subst Abuse Treat. 2011 Sep 22;42(3):310–318. doi: 10.1016/j.jsat.2011.07.010

Table 3.

Hierarchical Logistic Regression Analyses for Baseline Smoking Outcomes in a Sample of Psychiatrically Hospitalized Adolescents

Variables Past 30 Day Cigarette Use Lifetime Cigarette Use
OR 95% CI p OR 95% CI p
Intercept 9.60 .64 1.70 .91
Block 1:
 Age .75 .38 – 1.49 .41 .91 .47–1.77 .79
 Gender .69 .24 – 2.03 .50 .73 .25–2.09 .55
Block 2:
 Depression (CDI) 1.00 .95 – 1.07 .85 1.01 .95–1.07 .73
 Conduct Problems –adolescent 1.19 1.00 – 1.42 .05 1.22 1.02–1.47 .03
 Conduct Problems-parent 1.06 .89 – 1.26 .51 .99 .84–1.16 .89
Block 3:
Peer use
 % friends who smoke cigarettes 2.02* 1.03–3.93 .04 2.81*** 1.38–5.71 <.001
 % friends who got drunk .78 .36–1.69 .53 .53 .22–1.28 .19
 % friends who smoke marijuana 1.98* 1.00–3.90 .04 2.29* 1.14–4.69 .02
 % friends who disapprove of use .98 .54–1.80 .95 1.15 .63–2.13 .65
Family Environment
 Cohesion .99 .95 – 1.03 .59 1.01 .98 – 1.06 .44
 Conflict .98 .94 – 1.04 .57 1.00 .95 – 1.05 .92

Note.

*

indicates significance at p < .05,

**

indicates significance at p < .01,

***

indicates significance at p<.001.