. 2015 Jun 1;10(6):e0123672. doi: 10.1371/journal.pone.0123672

Table 3. Predictors of BMI child: results of multivariate regression analyses.

Variables	Model 1		Model 2		Model 3		Model 4
	β	t	β	t	β	t	β	t
Age	0.08^*	3.12	0.07^*	2.75	0.08^*	2.81	0.07^*	2.77
Sex girl	0.06^*	2.20	0.06^*	2.45	0.07^*	2.53	0.07^*	2.65
Background
- Turkish	0.24^*	9.01	0.24^*	9.05	0.23^*	8.60	0.23^*	8.65
- Moroccan	0.09^*	3.14	0.08^*	2.96	0.07^*	2.44	0.07^*	2.50
- non-western	0.05^*	2.03	0.04	1.53	0.03	1.21	0.03	1.23
- western	0.00	0.01	0.01	0.45	0.01	0.51	0.01	0.52
Educational level
- middle	-0.03	-0.72	-0.02	-0.43	-0.02	-0.46	-0.02	-0.48
- high	-0.00	-0.10	-0.01	-0.12	-0.01	-0.29	-0.02	-0.33
BMI mother	0.17^*	6.11	0.16^*	6.09	0.17^*	6.16	0.17^*	6.21
BMI father	0.18^*	6.78	0.18^*	6.74	0.18^*	6.67	0.18^*	6.66
Sleep duration			-0.12^*	-4.46	-0.12^*	-4.66	-0.12^*	-4.71
Dietary intake (fruit)					-0.04	-1.28	-0.03	-1.23
Dietary intake (vegetables)					-0.04	-1.47	-0.04	-1.50
Dietary intake (sweet beverages)					0.01	0.40	0.01	0.38
Dietary intake (snacks)					0.05^*	1.96	0.06^*	2.04
Physical activity level							-0.03	-1.20
adjusted R²	0.17		0.19		0.20		0.20
R² change	0.17^*		0.02^*		0.01^*		0.00

* p<0.05