Background
Public support for diet-related interventions strategies
The adolescent perspective
Methods
Respondents and procedure
Measures
Data analysis
Results
Variable | Mean (or percentages) | Standard Deviation |
---|---|---|
Age | 13.2 years (range 10–17) | 1.9 |
Gender | 50.9 % boys | n.a. |
49.1 % girls | ||
Weight status | 11.9 % underweight | n.a. |
71.5 % normal weight | ||
13.4 % overweight | ||
3.2 % obese | ||
Family affluence status | 11.7 % low FAS | n.a. |
35.8 % medium FAS | ||
52.5 % high FAS | ||
Immigrant status | 94.2 % native | n.a. |
5.8 % immigrant | ||
Overall acceptance of intervention strategies | 3.20 (range 1–5) | 0.83 |
Healthy food intake (average daily intake) | 4.0 (range 0–10) | 2.3 |
Unhealthy food intake (average daily intake) | 3.9 (range 0–10) | 2.4 |
Support for interventions strategies
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 |
Factorial structure of acceptability of intervention strategies
Factors associated with acceptability of the two categories of intervention strategies
Acceptability of strategies promoting healthy eatinga
| Acceptability of strategies discouraging unhealthy eatingb
| |||||
---|---|---|---|---|---|---|
Individual and behavioral characteristics |
B (SE) |
β
|
p
|
B (SE) |
β
|
p
|
Age | -.05 (.01) | -.12 | <.001 | -.09 (.01) | -.19 | <.001 |
Gender (0 = boy, 1 = girl) | .17 (.04) | .10 | <.001 | .08 (.04) | .04 | .055 |
Country: Netherlands vs. UK | .04 (.06) | .02 | .524 | -.01 (.07) | -.00 | .919 |
Country: Poland vs. UK | .19 (.05) | .11 | .001 | .24 (.06) | .11 | <.001 |
Country: Portugal vs. UK | .28 (.06) | .13 | <.001 | .40 (.07) | .16 | <.001 |
Overweight status (0 = not overweight, 1 = overweight) | .10 (.05) | .04 | .054 | .25 (.06) | .09 | <.001 |
Family affluence: high vs. low | .03 (.06) | .02 | .604 | .09 (.07) | .04 | .192 |
Family affluence: medium vs. low | .03 (.06) | .02 | .580 | .10 (.07) | .05 | .140 |
Immigrant status (0 = native, 1 = immigrant) | .22 (.08) | .06 | .008 | .16 (.10) | .04 | .096 |
Healthy food intake index | .06 (.01) | .16 | <.001 | .05 (.01) | .11 | <.001 |
Unhealthy food intake index | -.06 (.01) | -.17 | <.001 | -.07 (.01) | -.17 | <.001 |