Table 1.

Descriptive characteristics of the children participating in the different surveys T0, T1, and T3.

	T0				T1				T3
	Boys		Girls		Boys		Girls		Boys		Girls
	2–6 y	6–10 y	2–6 y	6–10 y	2–6 y	6–12 y	2–6 y	6–12 y	<10 y	≥10 y	<10 y	≥10 y
N	1961	2504	1814	2528	501	2076	445	2063	450	575	418	548
BMI z-score *	0.18 (1.18)	0.54 (1.25)	0.21 (1.11)	0.54 (1.17)	0.24 (1.20)	0.61 (1.22)	0.27 (1.19)	0.60 (1.17)	0.50 (1.24)	0.57 (1.28)	0.29 (1.21)	0.34 (1.21)
Education of the Families (ISCED 2011) T0
High education	888	1064	832	1122	253	987	249	991	241	310	260	278
Medium education	905	1220	847	1204	214	931	175	927	188	245	144	241
Low education	168	220	135	202	34	158	21	145	21	20	14	29
Country
Italy	483	558	388	553	129	657	101	612	64	112	50	107
Estonia	131	215	138	254	148	351	131	390	109	95	85	84
Cyprus	168	263	163	273	6	149	9	159	11	30	11	35
Belgium	116	83	105	76	34	166	35	148	28	34	24	38
Sweden	296	326	272	320	70	207	60	204	57	87	74	67
Germany	372	528	369	513	31	206	38	203	38	96	48	66
Hungary	224	392	247	395	17	90	18	87	29	25	20	30
Spain	171	139	132	144	66	250	53	260	45	45	46	40
Region
Control	918	1146	821	1201	250	1088	226	1065	224	241	186	231
Intervention	1043	1358	993	1327	251	988	219	998	226	334	232	317

* This row corresponds to mean and (standard deviations), while the rest of the rows are number of participants (N).