Intervention strategy | Mean acceptability (SD) | PCA factor loadings component 1 | PCA factor loadings component 2 | Item-total correlations subscale “promoting healthy eating”b | Item-total correlations subscale “discouraging unhealthy eating”b |
---|---|---|---|---|---|
1. Unhealthy foods and drinks should be banned for sale to young people | 2.28 (1.29) | .10 | .87 | .82 | |
2. Advertising of snacks and soft drinks to young people should be prohibited | 2.54 (1.25) | .16 | .82 | .81 | |
3. The price of snacks and soft drinks should be increased so that young people consume less | 2.78 (1.33) | .27 | .76 | .81 | |
4. Schools should not sell unhealthy snacks and soft drinks | 2.92 (1.27) | .36 | .69 | .78 | |
5. Snacks and soft drinks should have health warning labelsa | 3.30 (1.25) | .49 | .49 | .69 | |
6. It is a good idea to have rules at home about eating fruits and vegetables | 3.55 (1.10) | .80 | .21 | .82 | |
7. Teachers should encourage young people to eat healthily | 3.55 (1.10) | .70 | .35 | .78 | |
8. Young people should learn more about healthy eating in school | 3.62 (1.10) | .80 | .23 | .83 | |
9. Healthy foods and drinks should be cheaper than unhealthy products | 3.64 (1.18) | .61 | .26 | .70 | |
10. It is important that parents talk with their children about the importance of healthy eating | 3.82 (1.07) | .84 | .04 | .79 | |
Principal Component Analysis | Eigenvalue | 4.86 | 1.47 | ||
Explained variance | 48.6 % | 14.7 % | |||
Cronbach’s alpha | .84 | .84 |