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.