Table 2.

Associations between cohort, gender, parental educational level and time and behavioural and weight outcomes

	Grade 4 cohort a	Grade 7 cohort a	Gender b	Parental educational level c	Time d
Eats breakfast every school day	0	–	0	+	–
Eats lunch every school day	0	–	0	+	–
Eats vegetables at least twice a day	0	0	+	+	–
Eats fruit at least twice a day	0	–	0	0	–
Eats sweets at most twice a week	0	–	0	–	0
Drinks sweetened drinks at most twice a week	0	–	+	+	–
Watches TV at most three hours every school day	0	–	0	0	–
Is member of a club	+	–	0	+	–
Participates in sports at least three times a week	0	+	–	+	+
Spends at least 30 minutes outdoors every school day	0	–	0	–	–
Walks or bikes to school at least three days a week	0	0	0	+	0
Is physically active during recess at least 3 days a week	0	–	–	0	–
Overweight/obese	0	0	0	0	–
BMIsds	0	0	–	–	0

^aCompared to grade 2 cohort.

^bGirls compared to boys. The sign + (–) stands for higher (lower) proportion among girls, when other factors (cohort, parental education and time) are adjusted for.

^cHigher compared to lower parental education. The sign + (–) stands for higher (lower) proportion among children with high parental education, when other factors (cohort, gender and time) are adjusted for.

^dTime at follow up compared to time at baseline. The sign + (–) stands for higher (lower) proportion among children at follow-up, when other factors (cohort, gender and parental education) are adjusted for.