Table 1.

Baseline characteristics for intervention and control group in the HEIA study

	Control	Intervention	p
	(n=908) a	(n=510) a
Age (mean; SD)	11.2 (0.27)	11.2 (0.26)	.38
Gender
Girls (n; %)	434 (47.8%)	253 (49.6%)	.55
Weight status
Overweight/obese (n; %)b	130 (14.5%)	55 (11.4%)	.12
Parental education
Low (≤12 years) (n; %)	275 (31.1%)	129 (26.2%)	.15
13-16 years (n; %)	317 (35.8%)	186 (37.7%)
>16 years (n; %)	293 (33.1%)	178 (36.1%)

SD: standard deviation.

^an varies somewhat for weight status and parental education level.

^bOverweight/obese is presented and treated as one group in the analyses due to the low proportion of obese (C=1.6%; I=1.2%).