Diet, Screen Time, Physical Activity, and Childhood Overweight in the General Population and in High Risk Subgroups: Prospective Analyses in the PIAMA Birth Cohort

Table 3

Prevalence of dietary habits and activities at ages 5 and 7 years, stratified by maternal education and by maternal overweight.

	Maternal education				Maternal overweight
	High/Intermediate		Low		BMI $<$25		BMI $\ge$25
	$n=3029$		$n=934$		$n=2960$		$n=1003$
	5 yrs	7 yrs	5 yrs	7 yrs	5 yrs	7 yrs	5 yrs	7 yrs
Consumption in highest tertile (%)
Fast food	20.5	22.4	${35.5}^{**}$	${34.7}^{**}$	21.9	23.8	${30.5}^{**}$	${29.9}^{**}$
Snacks	31.0	31.2	${41.0}^{**}$	${40.3}^{**}$	33.2	33.2	33.7	33.8
Soft drinks	32.1	32.9	31.9	34.3	31.5	34.2	33.8	${30.4}^{*}$
Member sport club (% no)	37.4	12.6	${41.5}^{*}$	${17.9}^{**}$	38.1	13.5	39.2	14.9
Walking/cycling school (% never)	36.1	17.0	38.0	18.1	36.4	17.1	37.0	17.6
Screen time (%$>$ 2 hrs/day)	2.3	4.6	${7.0}^{**}$	${9.6}^{**}$	2.9	5.8	${4.9}^{**}$	5.6
Playing outside (%$\le$ 1 x/wk)	4.1	3.6	6.0	4.8	4.2	3.9	5.4	3.6

${}_{}{}^{*}P<.05$ for difference in prevalence of the 2 sub groups at the same age.
$\mathrm{\hspace{0.17em}\hspace{0.17em}}{}_{}{}^{**}P<.01$ for difference in prevalence of the 2 sub groups at the same age.