Table 3.
ANCOVA Results | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Average Across Warnings |
Lung Disease | Cancer | Mortality | Stroke/Heart Attack | ||||||
F | Partial η2 |
F | Partial η2 |
F | Partial η2 |
F | Partial η2 |
F | Partial η2 |
|
Main Effects | ||||||||||
Branding | 0.29 | 0.0004 | 0.37 | 0.0005 | 0.05 | 0.0001 | 0.65 | 0.0009 | 0.18 | 0.0003 |
Message Framing | 1.15 | 0.002 | 2.18 | 0.0031 | 1.61 | 0.002 | 1.93 | 0.003 | 0.13 | 0.0002 |
Interaction Effects | ||||||||||
Branding × Message Framing | 4.91* | 0.007 | 5.11* | 0.007 | 6.58* | 0.009 | 5.67* | 0.008 | 1.48 | 0.002 |
Covariates included in the ANCOVA were baseline motivation to quit, cigarettes smoked/day, preferred brand, and demographics (race/ethnicity, income, employment, and marital status).
p < 0.05