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Table 2 Multilevel logistic regression models with odds ratios and 95% confidence intervals predicting daily smoking

From: Adolescent substance use and peer use: a multilevel analysis of cross-sectional population data

Model

Empty

Full

Individual level fixed effects †

 

OR

95% CI for ORs

Academic grades

 

0.940***

0.916-0.965

Time spent with parents

 

0.856***

0.801-0.916

Peer smoking

 

2.234***

1.921-2.600

Peer respect for smoking

 

1.849***

1.630-2.097

Lifetime drunkenness

 

6.949***

5.012-9.634

Lifetime cannabis use

 

3.540***

2.583-4.850

Gender

 

0.963

0.749-1.239

Family structure

 

1.041

0.807-1.343

Parental Education

 

0.968

0.929-1.008

Attends school in home neighborhood

 

0.816

0.597-1.114

Family financial status

 

0.962

0.867-1.069

Resid. moving in the last 12 months

 

1.338

0.920-1.947

Changed schools in the last 12 months

 

1.544*

1.026-2.324

Resides in the capital area

 

0.872

0.660-1.153

School level fixed effects ††

   

Peer smoking

 

1.914**

1.281-2.859

Random effects

 

Var. comp.

SD

df

χ 2

Lifetime cannabis use u12

 

0.394**

0.62

109

149.04

Intercept u0

 

0.130

0.36

108

120.99

Model fit statistics

     

MOR

1.76

 

ICC

0.096

 

R2dicho

 

0.83

−2 log likelihood

−9738.16

−8361.76

  1. † Based on Wald T and 6,791 df.
  2. †† Based on Wald T and 139 df.
  3. p < .05, ** p < .01, *** p < .001.
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Substance Abuse Treatment, Prevention, and Policy

ISSN: 1747-597X