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Table 2 Univariable analysis of sleep status among participants in Shandong Province based on Χ² test

From: Sleep status and its association with dietary habits among children and adolescents in Shandong Province, China: a cross-sectional study

Independent variables

Sufficient sleep(%)

Insufficient sleep(%)

χ2

P

Physical exercise duration per day (hour)

ÌýÌý

5.707

0.017

&±ô³Ù; 1

64,037(46.56)

73,514(53.44)

ÌýÌý

≥â¶Ä‰1

23,200(47.18)

25,972(52.82)

ÌýÌý

Screen duration per day (hour)

ÌýÌý

0.347

0.556

&±ô³Ù; 2

70,564(46.75)

80,365(53.25)

ÌýÌý

≥â¶Ä‰2

16,673(46.58)

19,121(53.42)

ÌýÌý

Times of passive smoking per week

ÌýÌý

7.118

0.028

Never

55,265(46.91)

62,557(53.09)

ÌýÌý

1 ~ 4

21,587(46.62)

24,716(53.38)

ÌýÌý

&²µ³Ù; 4

10,385(45.96)

12,213(54.04)

ÌýÌý

Times of breakfast intake per week

ÌýÌý

14.451

0.002

Never

2013(44.94)

2466(55.06)

ÌýÌý

1 ~ 3

10,108(45.89)

11,917(54.11)

ÌýÌý

4 ~ 6

10,950(46.58)

12,557(53.42)

ÌýÌý

Everyday

64,166(46.94)

72,546(53.06)

ÌýÌý

Times of meat intake per week

ÌýÌý

2.425

0.297

&±ô³Ù; 3

40,853(46.55)

46,905(53.45)

ÌýÌý

3 ~ 4

31,890(46.79)

36,265(53.21)

ÌýÌý

&²µ³Ù; 4

14,494(47.04)

16,316(52.96)

ÌýÌý

Times of vegetable intake per week

ÌýÌý

9.604

0.008

&±ô³Ù; 4

7,252(45.69)

8,619(54.31)

ÌýÌý

4 ~ 5

21,890(46.52)

25,164(53.48)

ÌýÌý

&²µ³Ù; 5

58,095(46.93)

65,703(53.07)

ÌýÌý

Times of fruit intake per week

ÌýÌý

10.145

0.006

&±ô³Ù; 4

19,898(46.13)

23,236(53.87)

ÌýÌý

4 ~ 5

40,403(46.73)

46,050(53.27)

ÌýÌý

&²µ³Ù; 5

26,936(47.14)

30,200(52.86)

ÌýÌý

Times of eggs intake per week

ÌýÌý

1.253

0.535

&±ô³Ù; 4

10,844(46.46)

12,496(53.54)

ÌýÌý

4 ~ 5

53,189(46.70)

60,712(53.30)

ÌýÌý

&²µ³Ù; 5

23,204(46.89)

26,278(53.11)

ÌýÌý

Times of milk intake per week

ÌýÌý

4.588

0.101

&±ô³Ù; 4

13,222(46.28)

15,347(53.72)

ÌýÌý

4 ~ 5

54,668(46.69)

62,407(53.31)

ÌýÌý

&²µ³Ù; 5

19,347(47.10)

21,732(52.90)

ÌýÌý

Times of dessert consumption per week

ÌýÌý

2.010

0.366

&±ô³Ù; 4

64,313(46.79)

73,126(53.21)

ÌýÌý

4 ~ 5

16,285(46.65)

18,625(53.35)

ÌýÌý

&²µ³Ù; 5

6,639(46.19)

7,735(53.81)

ÌýÌý

Times of sugary beverage consumption per week

ÌýÌý

16.322

&±ô³Ù; 0.001

&±ô³Ù; 4

61,513(46.93)

69,568(53.07)

ÌýÌý

4 ~ 5

14,933(46.77)

16,996(53.23)

ÌýÌý

&²µ³Ù; 5

10,791(45.51)

12,922(54.49)

ÌýÌý

Times of fast food consumption per week

ÌýÌý

8.462

0.015

&±ô³Ù; 2

60,133(46.94)

67,971(53.06)

ÌýÌý

2 ~ 3

19,803(46.32)

22,946(53.68)

ÌýÌý

&²µ³Ù; 3

7,301(46.01)

8,569(53.99)

ÌýÌý