Table 4 Relationships between BMI and nutrition behaviors stratified by weight control attempt.
| Â | Lose weight | Gain weight | Not Change weight 1 | Â | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Â | n | BMI2 | 95% CI3 | n | BMI | 95% CI | n | BMI | 95% CI | p-value4 |
Breakfast consumption (days per school week) | ||||||||||
None | 347 | 28.8 | (27.1, 30.5) | 76 | 21.3 | (19.9, 22.8) | 266 | 25.0 | (23.7, 25.9) | Â |
1–2 days | 225 | 29.4 | (28.1, 30.7) | 48 | 22.7 | (20.9, 24.4) | 156 | 25.0 | (23.4, 25.9) |  |
3–4 days | 425 | 28.8 | (27.4, 30.1) | 142 | 21.3 | (20.2, 22.4) | 357 | 24.4 | (22.9, 25.8) |  |
5 days | 465 | 28.1 | (26.8, 29.3) | 149 | 20.8 | (19.7, 21.8) | 423 | 22.5 | (21.7, 23.4) | 0.003 |
Eat five or more fruits and vegetables a day | ||||||||||
No | 886 | 28.2 | (27.0, 29.4) | 294 | 21.1 | (19.7, 22.6) | 847 | 23.9 | (22.8, 25.0) | Â |
Yes | 773 | 29.0 | (27.7, 30.3) | 180 | 21.5 | (21.0, 22.0) | 505 | 23.6 | (22.6, 24.6) | 0.001 |
Average daily soft drink consumption | ||||||||||
Not regular drinker | 394 | 28.0 | (26.5, 29.4) | 78 | 20.5 | (19.1, 22.0) | 285 | 22.9 | (21.4, 24.3) | Â |
≤1/2 a can a day | 518 | 28.7 | (27.4, 29.9) | 125 | 20.6 | (19.0, 22.2) | 410 | 23.4 | (22.1, 24.6) |  |
1 can a day | 294 | 28.7 | (27.3, 30.0) | 94 | 21.5 | (19.8, 23.3) | 267 | 24.1 | (23.1, 25.1) | Â |
2 cans a day | 148 | 29.3 | (27.2, 31.4) | 56 | 22.5 | (21.2, 23.9) | 136 | 24.8 | (23.1, 26.5) | Â |
>2 cans a day | 169 | 28.8 | (27.3, 30.3) | 71 | 21.6 | (20.5, 22.7) | 158 | 25.0 | (24.1, 25.8) | 0.038 |
Fast food/takeaway consumption | ||||||||||
Once a month or less | 388 | 29.0 | (27.4, 30.5) | 75 | 20.6 | (18.6, 22.7) | 231 | 23.3 | (21.9, 24.6) | Â |
2–3 times/month | 495 | 28.5 | (27.5, 29.4) | 115 | 21.3 | (20.1, 22.4) | 363 | 23.9 | (22.5, 25.3) |  |
1–3 times/week | 674 | 28.5 | (27.0, 30.0) | 228 | 21.3 | (20.2, 22.5) | 660 | 23.8 | (23.0, 24.7) |  |
Most days | 102 | 28.3 | (26.2, 30.3) | 56 | 22.0 | (21.0, 23.0) | 98 | 24.6 | (22.8, 26.3) | <0.001 |
High fat foods as after school snack | ||||||||||
Never | 456 | 28.3 | (26.9, 29.7) | 84 | 20.2 | (18.6, 21.7) | 334 | 22.7 | (21.5, 23.9) | Â |
Some days | 850 | 28.8 | (27.6, 30.0) | 217 | 21.3 | (20.1, 22.4) | 668 | 24.0 | (23.2, 24.9) | Â |
Most days | 259 | 28.6 | (27.2, 29.9) | 117 | 22.1 | (21.3, 22.9) | 257 | 24.2 | (22.9, 25.5) | Â |
Everyday | 94 | 28.4 | (26.8, 30.0) | 56 | 21.2 | (19.6, 22.8) | 93 | 24.9 | (23.6, 26.2) | 0.001 |
High sugar foods as after school snack | ||||||||||
Never | 375 | 29.2 | (28.2, 30.2) | 90 | 21.7 | (19.6, 23.7) | 279 | 23.8 | (22.5, 25.1) | Â |
Some days | 835 | 28.6 | (27.2, 30.0) | 214 | 21.2 | (20.7, 21.8) | 640 | 23.8 | (22.9, 24.6) | Â |
Most days | 306 | 28.1 | (26.9, 29.2) | 110 | 21.0 | (19.3, 22.7) | 288 | 23.6 | (22.2, 25.0) | Â |
Everyday | 143 | 27.9 | (26.4, 29.3) | 60 | 21.3 | (20.1, 22.5) | 145 | 24.3 | (22.4, 26.1) | <0.001 |
Fruit as after school snack | ||||||||||
Never | 185 | 27.3 | (25.6, 28.9) | 91 | 21.0 | (19.5, 22.5) | 204 | 23.8 | (23.0, 24.7) | Â |
Some days | 709 | 28.9 | (27.6, 30.1) | 207 | 21.2 | (20.1, 22.4) | 592 | 23.9 | (22.8, 24.9) | Â |
Most days | 426 | 29.1 | (27.8, 30.4) | 98 | 22.0 | (20.7, 23.3) | 295 | 24.2 | (22.6, 25.8) | Â |
Everyday | 339 | 28.0 | (26.7, 29.4) | 78 | 20.9 | (20.0, 21.7) | 261 | 23.1 | (21.7, 24.4) | <0.001 |