Table 2.
Significant cumulative effects of parents’ and peers’ norms and age interaction
| Non-smokers with smoking experience | Light smokers | Heavy smokers | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B | Std. Error | p | Odds | B | Std. Error | p | Odds | B | Std. Error | p | Odds | |||
| Pro-smoking factors | vs | Parents and peers neither smoke nor approve | ||||||||||||
| Peers smoke (1 factor) | 1.566 | .197 | .000 | 4.790 | 2.585 | .521 | .000 | 13.257 | 2.174 | .597 | .000 | 8.798 | ||
| Parents smoke (1 factor) | .821 | .245 | .001 | 2.273 | .302 | .766 | .693 | 1.351 | -.430 | 1.157 | .710 | .651 | ||
| Peers smoke and approve (2 factors) | 1.995 | .390 | .000 | 7.352 | 2.901 | .789 | .000 | 18.200 | 4.231 | .674 | .000 | 68.811 | ||
| Parents and peers smoke (2 factors) | 2.185 | .196 | .000 | 8.889 | 3190 | .519 | .000 | 24.286 | 3.506 | .590 | .000 | 33.307 | ||
| Parents smoke, peers smoke and approve (3 factors) | 2.676 | .400 | .000 | 14.532 | 3.693 | .746 | .000 | 40.154 | 4.778 | .689 | .000 | 118.868 | ||
| Grade | .577 | .048 | .000 | 1.781 | .352 | .081 | .000 | 1.442 | .827 | .088 | .000 | 2.286 | ||
| Age interaction | ||||||||||||||
| Peers and parents smoke* Grade | .013 | .127 | .917 | 1.013 | .188 | .220 | .394 | 1.206 | .805 | .229 | .000 | 2.236 | ||
| Peers smoke and approve* Grade | -.187 | .363 | .607 | .830 | .096 | .592 | .871 | 1.101 | 1.250 | .389 | .001 | 3.490 | ||
| Parents smoke, peers smoke and approve* Grade | .576 | .363 | .113 | 1779 | -.862 | .862 | .317 | .422 | 1.407 | .453 | .002 | 4.083 | ||
Presents the results of the multinomial logistic regression for the cumulative effect of norms
* = indicate the product term for the interaction