Table 4.

Protective and risk factors of adequate sleep for children of different genders.

Type of sleep duration	Variables	Sex	OR (95%CI)
Total sleep time (≧600 min/day)	SB (≦25th percentile)	Male	1.679 (0.895,3.148)
		Female	1.203 (0.602,2.402)
		Total	1.414(0.889,2.249)
	LPA (≧75th percentile)	Male	0.563 (0.316,1.003)
		Female	0.408 (0.208,0.799)**
		Total	0.481 (0.312,0.743)**
	MVPA (≧60 min/day)	Male	0.722 (0.419,1.247)
		Female	0.492 (0.277,0.874)*
		Total	0.589 (0.398,0.872)**
	TPA (≧180 min/day)	Male	0.758 (0.191,3.016)
		Female	0.179 (0.041,0.784)*
		Total	0.322 (0.122,0.848)*
Nighttime sleep duration (≧75th percentile)	SB (≦25th percentile)	Male	1.018 (0.535,1.940)
		Female	3.010 (1.525,5.941)**
		Total	1.705 (1.072,2.711)*
	LPA (≧75th percentile)	Male	0.689 (0.358,1.327)
		Female	0.584 (0.244,1.399)
		Total	0.682 (0.407,1.142)
	MVPA (≧60 min/day)	Male	0.879 (0.489,1.578)
		Female	0.777 (0.401,1.505)
		Total	0.867 (0.564,1.335)
	TPA (≧180 min/day)	Male	0.877 (0.219,3.504)
		Female	0.365 (0.152,0.878)*
		Total	0.512 (0.247,1.058)
Daytime sleep duration (≧75th percentile)	SB (≦25th percentile)	Male	1.497 (0.802,2.795)
		Female	1.474 (0.722,3.008)
		Total	1.523 (0.954,2.430)
	LPA (≧75th percentile)	Male	0.415 (0.205,0.840)*
		Female	0.867 (0.387,1.945)
		Total	0.592 (0.349,1.005)
	MVPA (≧60 min/day)	Male	0.446 (0.244,0.815)**
		Female	0.562 (0.280,1.128)
		Total	0.524 (0.334,0.823)**
	TPA (≧180 min/day)	Male	0.564 (0.154,2.069)
		Female	0.537 (0.216,1.335)
		Total	0.588 (0.281,1.230)

SB means sedentary behavior; LPA means light physical activity; MVPA means moderate-to-vigorous Physical Activity; TPA means total of physical activity.

^*Represents p < 0.05,

^**represents p < 0.01, and

^***represents p < 0.001.