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. Author manuscript; available in PMC: 2016 Nov 18.
Published in final edited form as: Child Youth Serv Rev. 2010 May 2;32(8):1108–1120. doi: 10.1016/j.childyouth.2010.04.025

Appendix B.

Correlation Matrix (values of 0.06 and above in absolute value are significant at p < 0.05)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
1 Female 1.00
2 Black 0.03 1.00
3 CPC preschool participation 0.08 0.01 1.00
4 Child protection services (ages 4-9) 0.00 −0.01 −0.02 1.00
5 Family conflict (ages 5-10) −0.04 −0.02 −0.01 0.09 1.00
6 Parent substance abuse experience (ages 5-10) −0.03 −0.03 0.02 0.12 0.34 1.00
7 School mobility (ages 6-9) −0.05 0.04 −0.05 0.12 0.00 0.03 1.00
8 School-age CPC participation (ages 6-9) 0.03 0.03 0.37 −0.01 0.03 0.00 −0.27 1.00
9 Social maturity (ages 7-9) 0.27 −0.06 0.16 −0.08 0.01 0.03 −0.13 0.12 1.00
10 Family risk (age 8) 0.01 0.05 −0.05 0.15 0.02 0.03 0.19 −0.01 −0.20 1.00
11 Parent expectations (ages 8-10) 0.17 −0.07 0.14 −0.17 −0.03 0.02 −0.13 0.11 0.61 −0.28 1.00
12 Intrinsic motivation (ages 9-10) 0.08 −0.02 0.00 −0.01 −0.02 0.03 −0.02 −0.01 0.07 0.03 0.07 1.00
13 No trouble making behavior (ages 9-12) 0.15 0.03 0.10 −0.04 −0.04 −0.04 −0.10 0.08 0.19 −0.13 0.08 0.12 1.00
14 Reading comprehension (age 10) 0.20 −0.06 0.18 −0.05 0.07 0.05 −0.11 0.13 0.56 −0.28 0.43 0.00 0.16 1.00
15 School mobility (ages 10-13) −0.09 −0.02 −0.17 0.109 0.071 0.049 0.176 −0.16 −0.18 0.17 −0.21 −0.03 −0.13 −0.19 1.00
16 School quality (ages 10-14) 0.07 0.01 0.16 −0.06 −0.01 −0.01 −0.13 0.13 0.09 −0.18 0.14 0.02 0.10 0.24 −0.17 1.00
17 Parent substance abuse experience (ages10-15) −0.02 0.00 0.07 0.14 0.14 0.53 0.06 0.00 0.05 0.00 0.02 0.03 0.00 0.09 0.02 −0.02 1.00
18 Personal substance use experience (ages 10-15) −0.15 0.01 −0.04 0.10 0.19 0.19 0.04 −0.02 −0.06 0.06 −0.03 −0.04 −0.05 −0.05 0.06 −0.06 0.23 1.00
19 School mobility (ages 14-18) −0.05 0.06 −0.02 0.02 0.02 −0.03 0.04 −0.05 −0.11 0.08 −0.12 −0.01 −0.05 −0.14 0.09 −0.08 0.00 0.03 1.00
20 Deviant peer affiliation (ages 16) 0.01 −0.01 −0.01 −0.02 0.06 −0.01 0.02 0.00 −0.02 0.00 −0.03 −0.02 −0.03 0.03 0.03 0.00 −0.01 0.03 0.04 1.00
21 School dropout (by age 16) −0.11 −0.04 −0.07 0.10 0.09 0.09 0.00 −0.03 −0.12 0.07 −0.14 0.00 −0.04 −0.07 0.15 −0.05 0.06 0.05 −0.09 0.04 1.00
22 Age of first substance use −0.10 0.04 0.04 −0.16 −0.05 −0.08 −0.08 0.02 0.00 −0.14 0.03 −0.04 0.00 0.02 0.03 0.09 −0.04 −0.16 −0.10 −0.05 −0.11 1.00
23 Substance abuse −0.47 0.01 −0.09 0.13 0.10 0.12 0.03 −0.01 −0.24 0.07 −0.22 −0.09 −0.17 −0.19 0.22 −0.10 0.10 0.25 0.10 0.08 0.13 0.21 1.00
24 Drug dependency −0.21 0.11 −0.03 0.06 0.15 0.10 −0.05 −0.07 −0.15 0.04 −0.11 −0.02 −0.14 −0.09 0.11 −0.12 0.10 0.34 0.08 −0.03 0.03 −0.04 0.39 1.00