Table 4.

Multivariate linear regression between sleep patterns, anthropometric characteristics and weight-related KIDMED items.

	Sleep quantity						Sleep quality
	Total sleep time		Weekdays time		Weekend sleep time		PDSS score
	Beta	P	Beta	P	Beta	P	Beta	P
BMI	−0.829	0.021	−0.926	0.011	−0.007	0.421	0.529	0.041
FM%	−0.526	0.025	−0.601	0.016	−0.004	0.325	0.435	0.039
FFM%	0.361	0.345	0.255	0.436	0.332	0.526	0.565	0.432
WC	−0.426	0.045	−0.569	0.024	−0.021	0.623	0.351	0.061
KIDMED items
Fruit (serving/day)	0.021	0.035	0.063	0.041	0.032	0.063	0.184	0.564
Vegetable(serving/day)	0.033	0.029	0.092	0.036	0.011	0.059	−0.265	0.359
Breakfast (times/w)	0.095	0.231	0.063	0.337	0.049	0.433	0.199	0.065
Sweet and snack (serving/day)	−0.037	0.044	−0.028	0.039	−0.015	0.112	0.015	0.045
Eating outside (times/w)	−0.044	0.025	−0.012	0.027	−0.002	0.041	0.197	0.035
Physical activity	0.101	0.146	0.203	0.442	0.320	0.233	0.264	0.169

Adjusted for: Age, gender, physical activities and parents’ education and occupation; FFM, free fat mass; FM, free fat mass; WC, waist circumference;