| Variable | Category | No | % Ever tried smoking at follow-up | Adjusted relative risk (95% CI) | |
| Receptivity to tobacco marketing | No receptivity | 2110 | (8.3) | Reference | |
| Moderate receptivity | 41 | (7.3) | 0.64 (0.22 to 1.87) | ||
| High receptivity | 439 | (18.2) | 1.12 (0.86 to 1.48) | ||
| Movie smoking (occurrences seen) | First quartile | 651 | (3.4) | Reference | |
| Second quartile | 651 | (8.6) | 2.00 (1.26 to 3.16) | ||
| Third quartile | 651 | (11.4) | 2.19 (1.40 to 3.43) | ||
| Fourth quartile | 650 | (16.5) | 2.70 (1.72 to 4.22) | ||
| Age | 10–11 years | 809 | (6.2) | Reference | |
| 12 years | 804 | (8.5) | 1.21 (0.85 to 1.71) | ||
| 13–14 years | 990 | (14.2) | 1.62 (1.17 to 2.25) | ||
| Gender | Male | 1234 | (9.6) | Reference | |
| Female | 1369 | (10.2) | 1.55 (1.21 to 1.99) | ||
| Parent education | Both completed high school | 2223 | (9.3) | Reference | |
| Neither or one completed high school | 380 | (13.9) | 1.04 (0.77 to 1.40) | ||
| Parent or sibling smokes | No | 1694 | (6.7) | Reference | |
| Yes | 896 | (16.3) | 1.70 (1.32 to 2.17) | ||
| Any friends smoke | No | 1932 | (7.6) | Reference | |
| Yes | 671 | (16.7) | 1.13 (0.88 to 1.46) | ||
| School performance | Excellent | 1113 | (4.8) | Reference | |
| Good | 1006 | (11.3) | 1.75 (1.28 to 2.39) | ||
| Average/below average | 484 | (19.0) | 2.04 (1.44 to 2.89) | ||
| Sensation seeking | Lowest third | 1160 | (5.9) | Reference | |
| Middle third | 577 | (9.0) | 1.08 (0.76 to 1.52) | ||
| Highest third | 866 | (16.1) | 1.43 (1.05 to 1.95) | ||
| Rebelliousness | Lowest third | 771 | (4.8) | Reference | |
| Middle third | 1217 | (9.0) | 1.34 (0.93 to 1.93) | ||
| Highest third | 615 | (18.2) | 1.98 (1.32 to 2.99) | ||
| Self-esteem | Lowest third | 1030 | (12.5) | Reference | |
| Middle third | 903 | (9.6) | 1.23 (0.95 to 1.61) | ||
| Highest third | 670 | (6.4) | 0.96 (0.68 to 1.36) | ||
| Maternal responsiveness | Lowest third | 744 | (15.1) | Reference | |
| Middle third | 1032 | (8.6) | 0.79 (0.61 to 1.04) | ||
| Highest third | 827 | (7.0) | 0.89 (0.64 to 1.25) | ||
| Maternal demandingness | Lowest third | 954 | (10.6) | Reference | |
| Middle third | 1084 | (10.3) | 1.23 (0.95 to 1.59) | ||
| Highest third | 565 | (8.1) | 1.16 (0.82 to 1.64) | ||
| Parental disapproval of child smoking | Both disapprove | 2157 | (9.1) | Reference | |
| Neither or mixed disapprove | 446 | (13.9) | 1.09 (0.83 to 1.43) |
School is included as a control variable.