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. Author manuscript; available in PMC: 2008 Jun 1.
Published in final edited form as: Am J Prev Med. 2007 Jun;32(6 Suppl):S195–S202. doi: 10.1016/j.amepre.2007.04.003

Table 2.

Multilevel logistic regression models predicting use of substances

Any cigarettes in last 30 days Any alcoholic drink in last 30 days Any marijuana in last 30 days
n=1115 n=1107 n=1110
Beta Low CI High CI p value Beta Low CI High CI p value Beta Low CI High CI p value
Neighborhood-level
Median income 0.15 −0.04 0.35 0.13 0.25 0.09 0.40 <0.001 0.31 0.03 0.59 0.03
Gini coefficient 3.53 −5.03 12.10 0.42 7.27 0.91 13.64 0.03 12.81 1.49 24.12 0.03
Individual-level
Income −0.07 −0.14 <0.001 0.06 0.06 0.01 0.10 0.02 0.01 −0.13 0.15 0.92
Age −0.02 −0.03 <0.001 0.03 −0.03 −0.04 −0.01 <.0001 −0.09 −0.14 −0.05 <0.001
Male 0.66 0.11 1.21 0.02 0.67 0.33 1.01 <0.001 0.75 −0.09 1.58 0.08
Asian −0.55 −1.70 0.61 0.35 −1.63 −2.66 −0.61 <0.001 −5.56 −7.78 −3.35 <0.0001
African-American −0.05 −0.64 0.53 0.86 −0.75 −1.29 −0.21 0.01 −0.41 −1.30 0.48 0.37
Hispanic −0.18 −1.01 0.64 0.66 −0.85 −1.45 −0.24 0.01 −1.86 −3.25 −0.48 0.01
Other −0.78 −2.29 0.73 0.31 −0.44 −1.65 0.77 0.48 −0.05 −2.41 2.31 0.97
High school/GED 0.46 −0.26 1.18 0.21 0.03 −0.97 1.02 0.96 −0.99 −2.56 0.58 0.22
Some college 0.54 −0.25 1.34 0.18 0.39 −0.58 1.35 0.44 −0.34 −1.81 1.12 0.65
College graduate −0.21 −1.03 0.61 0.61 0.72 −0.41 1.84 0.21 −1.59 −3.31 0.14 0.07
Graduate work −1.08 −2.09 −0.07 0.04 0.78 −0.26 1.81 0.14 −1.58 −3.60 0.43 0.12

CI, confidence interval