Table 2 Behavioral factors of children by weight status

 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)

 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

 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)