Family characteristics
| | | | | | | | | | |
Family structure
| | | | | | | | | | |
Both biological parents
|
926
|
(96.06)
|
38
|
(3.94)
|
0.219
|
910
|
(98.06)
|
18
|
(1.94)
|
<0.001
|
Single parent or stepfamily
|
193
|
(94.15)
|
12
|
(5.85)
|
185
|
(90.24)
|
20
|
(9.76)
|
Family members’ smoking status (mother, father, or others)
|
None
|
542
|
(95.93)
|
23
|
(4.07)
|
0.736
|
514
|
(97.53)
|
13
|
(2.47)
|
0.122
|
Yes (≥1 person)
|
577
|
(95.53)
|
27
|
(4.47)
|
581
|
(95.87)
|
25
|
(4.13)
|
Child characteristics
| | | | | | | | | | |
Breakfast skipping
| | | | | | | | | | |
No (eat breakfast daily)
|
990
|
(95.93)
|
42
|
(4.07)
|
0.336
|
944
|
(98.03)
|
19
|
(1.97)
|
<0.001
|
Yes (skip breakfast ≥ 1 time per week)
|
129
|
(94.16)
|
8
|
(5.84)
|
151
|
(88.82)
|
19
|
(11.18)
|
Convenience stores or fast-food outlets
|
< 1 time per week
|
916
|
(95.52)
|
43
|
(4.48)
|
0.455
|
929
|
(96.67)
|
32
|
(3.33)
|
0.915
|
≥ 1 time per week
|
203
|
(96.67)
|
7
|
(3.33)
|
166
|
(96.51)
|
6
|
(3.49)
|
Club activities at school
|
Physical
|
819
|
(96.35)
|
31
|
(3.65)
|
0.065
|
562
|
(97.74)
|
13
|
(2.26)
|
0.092
|
Non-physical
|
70
|
(90.91)
|
7
|
(9.09)
|
309
|
(95.96)
|
13
|
(4.04)
|
No participation
|
230
|
(95.04)
|
12
|
(4.96)
|
224
|
(94.92)
|
12
|
(5.08)
|
Activities outside of school
|
Yes
|
378
|
(94.97)
|
20
|
(5.03)
|
0.364
|
456
|
(97.85)
|
10
|
(2.15)
|
0.059
|
No
|
741
|
(96.11)
|
30
|
(3.89)
|
639
|
(95.80)
|
28
|
(4.20)
|
Sleeping patterns
|
≥ 6 h 30 min (Q2-Q5)
|
915
|
(95.81)
|
40
|
(4.19)
|
0.752
|
805
|
(97.46)
|
21
|
(2.54)
|
0.013
|
< 6 h 30 min (Q1)
|
204
|
(95.33)
|
10
|
(4.67)
|
290
|
(94.46)
|
17
|
(5.54)
|
Self-rated health status
|
Good (excellent, good, fair)
|
1041
|
(96.03)
|
43
|
(3.97)
|
0.061
|
1008
|
(97.58)
|
25
|
(2.42)
|
<0.001
|
Not good (somewhat poor or poor)
|
78
|
(91.76)
|
7
|
(8.24)
|
87
|
(87.00)
|
13
|
(13.00)
|
Smoking status
|
No
|
1079
|
(95.83)
|
47
|
(4.17)
|
0.373
|
1072
|
(96.84)
|
35
|
(3.16)
|
0.019
|
Yes
|
40
|
(93.02)
|
3
|
(6.98)
|
23
|
(88.46)
|
3
|
(11.54)
|