Table 4.
Hierarchical linear regression predicting physical activity intention.
Variable | Hypothesis | Model 1 | Model 2 | Model 3 |
---|---|---|---|---|
Intercept | 3.254 ** | 3.254 ** | 3.257 ** | |
Individual characteristics (method = enter) | ||||
Frequency of fast food consumption | −0.008 | −0.004 | 0.011 | |
Perceived body weight | 0.047 | 0.040 | 0.034 | |
Past behavior—food | 0.016 | 0.018 | 0.048 | |
Past behavior—exercise | 0.068 | 0.069 | 0.050 | |
Subjective norm—food | 0.065 | 0.065 | 0.032 | |
Subjective norm—exercise | 0.061 | 0.058 | 0.057 | |
Social influences regarding physical activity | 0.079 | 0.081 | 0.082 | |
Self-efficacy | 0.310 ** | 0.309 ** | 0.297 ** | |
Self-esteem | −0.021 | −0.018 | −0.006 | |
Self-control | 0.026 | 0.023 | 0.026 | |
Number of perceived barriers to healthy lifestyle | −0.017 | −0.024 | −0.045 | |
Female | 0.044 | 0.048 | 0.061 | |
Age | −0.143 ** | −0.139 ** | −0.128 * | |
Married | 0.018 | 0.015 | 0.013 | |
Body mass index | −0.029 | −0.023 | −0.006 | |
Advertisement (method = enter) | ||||
Fear | H1b: + | 0.045 | 0.050 | |
Interaction effects (method = stepwise) | ||||
Fear × Perceived body weight | H3b: + | 0.107 * | ||
Fear × Past behavior—food | H4b: + | 0.122 ** | ||
Fear × Subjective norm—food | H5b: − | −0.154 ** | ||
Fear × Subjective norm—exercise | H5b: − | −0.187 ** | ||
Maximum VIF value | 3.596 | 3.613 | 3.662 | |
R2 | 0.292 | 0.295 | 0.357 | |
Adjusted R2 | 0.252 | 0.252 | 0.308 | |
R2 change | 0.292 | 0.003 | 0.063 | |
Partial F value | 7.331 ** | 1.175 | 6.381 ** | |
N | 283 | 283 | 283 |
Note: Unstandardized regression coefficients are reported. * significant at p = 0.05, ** Significant at p = 0.01.