Table 1

Participant characteristics; all values are n (%) except age

Characteristic	Boys			Girls			Fathers*			Mothers*
Characteristic	n	N	%†	n	N	%†	n	N	%†	n	N	%†
Age (years), mean† (SD)	835	12.0	0.38	720	12.0	0.42	211	46.7	6.89	1243	43.5	5.35
BMI category
Overweight	127	836	16.3	107	720	16.8	90	210	42.9	382	1237	31.2
Obese	84	836	12.7	59	720	9.6	71	210	37.2	382	1237	32.4
Blood pressure category
High-normal	18	787	2.5	26	692	4.1	111	197	57.0	372	1164	32.7
Hypertensive	24	787	4.9	22	692	3.6	31	197	18.1	88	1164	7.8
Socioeconomic status quintile
First (most disadvantaged)	70	833	13.4	54	719	10.6	17	208	11.9	93	1242	12.2
Second	128	833	19.6	107	719	17.9	37	208	22.6	181	1242	17.6
Third	145	833	19.8	134	719	20.6	40	208	23.3	225	1242	20.3
Fourth	194	833	21.8	179	719	25.1	37	208	15.8	317	1242	24.8
Fifth (least disadvantaged)	296	833	25.5	245	719	25.8	77	208	26.4	426	1242	25.1
Diabetes	2	837	0.2	3	720	0.6	9	211	4.8	26	1243	2.6
Heart condition	–	–	–	–	–	–	9	211	5.4	24	1243	2.7
Started puberty	686	793	87.8	629	663	94.8	–	–	–	–	–	–

*98.9% of adult participants were biological parents of participating children.
†Weighted mean/percentage.
BMI, body mass index; N, number with valid data for characteristic (denominator).