Table 3.
Adjusted OR (CI 95%) for low vegetable intake by frequency of breakfast, lunch and evening meal, separately for boys and girls in three age groups. Adjusted for covariates
| All schoolchildren |
Boys | Girls | Sex interaction |
Boys | Age interaction |
Girls | Age interaction |
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P-value | 11 years | 13 years | 15 years | P-value | 11 years | 13 years | 15 years | P-value | ||||
| Breakfast | ||||||||||||
| Irregular vs. regular |
1.48 (1.16-1.89) |
1.19 (0.82-1.73) |
1.78 (1.28-2.47) |
0.1239 | 0.95 (0.53-1.70) |
1.00 (0.45-3.70)A |
2.67 (1.16-6.09) A |
0.2341 | 1.09 (0.56-2.14) |
1.60 (0.94-2.74) |
2.87 (1.61-5.10) |
0.0874 |
| Lunch | ||||||||||||
| Irregular vs. regular |
1.83 (1.50-2.24) |
1.73 (1.29-2.31) |
1.90 (1.44-2.51) |
0.7684 |
1.81 (1.09-3.02) |
1.48 (0.84-2.60)A |
2.03 (1.10-3.77) A |
0.9833 |
2.13 (1.18-3.83) |
1.57 (1.01-2.44) |
2.02 (1.24-3.28) |
0.7987 |
| Evening meal | ||||||||||||
| Irregular vs. regular |
1.70 (1.23-2.33) |
2.17 (1.19-3.94) |
1.51 (1.03-2.21) |
0.3716 | 1.26 (0.54-2.90) |
4.35 (1.16-16.28) A |
4.00 (0.76-21.01)A |
0.2314 | 1.36 (0.59-3.11) |
1.54 (0.77-3.09) |
1.45 (0.81-2.59) |
0.9443 |
AThe analyses were performed using PROC LOGISTIC because PROC GLIMMIX did not converge
The analyses including the full study population were adjusted for the covariates: sex, age, intended weight loss, body perception, overweight, family type and family social class
The sex stratified analyses were adjusted for the same covariates except sex
The sex and age stratified analyses were adjusted for the same covariates except sex and age