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. Author manuscript; available in PMC: 2013 Jul 23.
Published in final edited form as: Thorax. 2011 Aug 25;66(10):875–883. doi: 10.1136/thoraxjnl-2011-200489

Table 2.

Zero-order correlation matrix

1 2 3 4 5 6 7 8 9 10 11 12
1. Movie smoking exposure
2. Lifetime smoking 0.20
3. Age 0.23 0.33
4. Gender (0=male, 1=female) −0.20 −0.05 −0.03
5. Family affluence 0.05 −0.09 −0.07 −0.04
6. School performance −0.09 −0.27 −0.16 0.12 0.16
7. TV screen time 0.11 0.09 0.06 −0.09 −0.08
8. No. of movies seen 0.82 0.14 0.14 −0.15 0.09 −0.04 0.12
9. Sensation seeking/rebelliousness 0.32 0.41 0.18 −0.22 −0.03 −0.23 0.13 0.28
10. Peer smoking 0.23 0.54 0.46 −0.15 −0.25 0.14 0.15 0.41
11. Mother smoking 0.05 0.18 0.05 −0.15 −0.15 0.07 0.05 0.14 0.17
12. Father smoking 0.06 0.17 0.06 −0.17 −0.15 0.09 0.05 0.12 0.18 0.34
13. Sibling smoking 0.09 0.23 0.10 −0.10 −0.14 0.07 0.07 0.14 0.19 0.19 0.15

All displayed coefficients are significant at p<0.001.