Perceived harms of cigarettes | Perceived addictiveness of cigarettes | Perceived harms of cigarettes relative to e-cigarettes | Perceived addictiveness of cigarettes relative to e-cigarettes | Intentions to use cigarettes | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
F | P | η2 | F | P | η2 | F | P | η2 | F | P | η2 | F | P | η2 | |
Main effects | |||||||||||||||
Ad/Warning condition | .82 | .441 | .004 | .26 | .774 | .001 | 5.69 | .004 | .027 | 2.89 | .057 | .014 | .85 | .428 | .003 |
E-cigarette brand | .35 | .702 | .002 | 1.32 | .267 | .006 | 1.30 | .274 | .006 | .47 | .623 | .002 | .80 | .449 | .003 |
Cigarette brand | .78 | .461 | .004 | .04 | .965 | .002 | .34 | .713 | .002 | .56 | .572 | .003 | 3.40 | .034 | .014 |
Interaction effect | |||||||||||||||
Ad/Warning condition x | .35 | .843 | .003 | .66 | .624 | .006 | 1.03 | .392 | .010 | .43 | .789 | .004 | 2.21 | .067 | .018 |
E-cigarette brand | |||||||||||||||
Ad/Warning condition x | .89 | .469 | .009 | .72 | .580 | .007 | 2.36 | .053 | .022 | 1.50 | .202 | .014 | .42 | .795 | .003 |
Cigarette brand | |||||||||||||||
E-cigarette brand x | .81 | .518 | .008 | .49 | .744 | .005 | .75 | .562 | .007 | .85 | .491 | .008 | .95 | .437 | .008 |
Cigarette brand | |||||||||||||||
Covariates | |||||||||||||||
Ever used an E-cigarette | .04 | .845 | .001 | .24 | .622 | <.001 | 15.90 | <.001 | .037 | 5.47 | .020 | .013 | 13.45 | <.001 | .027 |
E-cigarette Advertising exposure | .05 | .829 | .001 | 1.54 | .215 | .004 | .66 | .416 | .002 | .83 | .364 | .002 | 1.65 | .199 | .003 |
Cigarette smoking | .31 | .576 | <.001 | .45 | .502 | .001 | .04 | .832 | <.001 | .23 | .635 | <.001 | 10.24 | .002 | .021 |