Behavioral factors | Underweight | Normal weight | Overweight | Obese | P d |
---|---|---|---|---|---|
Dietary behavior, mean (SD) | |||||
Fruits (servings a/d) | 1.24 (1.07) | 1.36 (1.15) | 1.37 (1.25) | 1.39 (1.14) | 0.142 |
Vegetables (servings a/d) | 1.86 (1.60) | 1.90 (1.58) | 2.02 (1.71) | 2.00 (1.71) | 0.325 |
Meat products (serving b/d) | 1.46 (1.34) | 1.47 (1.34) | 1.61 (1.63) | 1.65 (1.65) | 0.037 |
SSBs (cup c/d) | 0.19 (0.36) | 0.21 (0.42) | 0.31 (0.58) | 0.30 (0.66) | <0.001 |
Breakfast (d/week) | 6.84 (0.79) | 6.83 (0.84) | 6.78 (0.99) | 6.79 (0.97) | 0.568 |
High-energy snacks (d/week) | 1.64 (1.75) | 1.55 (1.70) | 1.54 (1.68) | 1.40 (1.61) | 0.222 |
Fried food (time/week) | 0.56 (1.07) | 0.59 (1.07) | 0.75 (1.21) | 0.67 (1.12) | 0.019 |
Western fast food (time/week) | 1.24 (2.30) | 1.42 (2.61) | 1.55 (2.34) | 1.53 (2.94) | 0.225 |
Eating speed, n (%) | <0.001 | ||||
Slower than peers | 211 (39.0) | 666 (27.7) | 60 (14.4) | 45 (12.2) | |
As fast as peers | 269 (49.7) | 1285 (53.5) | 201 (48.3) | 145 (39.3) | |
Faster than peers | 61 (11.3) | 452 (18.8) | 155 (37.3) | 179 (48.5) | |
Sedentary behavior, mean (SD) | |||||
Doing homework (hour/d) | 1.98 (1.15) | 1.90 (1.04) | 2.04 (1.21) | 2.07 (1.20) | 0.007 |
Viewing television (hour/d) | 0.73 (0.85) | 0.79 (0.95) | 0.84 (0.91) | 0.89 (0.96) | 0.057 |
Using a computer (hour/d) | 0.45 (0.69) | 0.47 (0.75) | 0.60 (0.88) | 0.60 (0.81) | <0.001 |
Physical activities, mean (SD) | |||||
Vigorous-intensity physical activity (hour/d) | 0.51 (0.63) | 0.56 (0.60) | 0.60 (0.65) | 0.60 (0.76) | 0.177 |
Moderate-intensity physical activity (hour/d) | 0.41 (0.50) | 0.46 (0.60) | 0.48 (0.80) | 0.48 (0.67) | 0.234 |
Walking (hour/d) | 0.78 (0.97) | 0.86 (1.26) | 0.86 (1.26) | 0.83 (1.03) | 0.545 |
Sleep duration (hour/d), n (%) | 0.593 | ||||
< 7.0 | 30 (5.9) | 125 (5.5) | 21 (5.5) | 16 (4.6) | |
7.0 ~ 8.9 | 309 (60.4) | 1313 (57.7) | 234 (60.8) | 215 (62.1) | |
9.0 ~ 11.0 | 167 (32.6) | 798 (35.1) | 120 (31.2) | 110 (31.8) | |
> 11.0 | 6 (1.2) | 39 (1.7) | 10 (2.6) | 5 (1.4) |