Table 6

Unadjusted and adjusted associations of types of rules and strictness of rules with any screen viewing and ≥2 h of screen viewing

	Any screen viewing							≥2 h of screen viewing
	N	Per cent screen viewing	p Value	OR*	Lower 95% CI	Upper 95% CI	p Value*	N	Per cent screen viewing	p Value	OR*	Lower 95% CI	Upper 95% CI	p Value*
Rules on programme content
Yes	583	52.3		1.0				583	16.1		1.0
No	133	58.7	0.187	1.45	0.92	2.28	0.111	133	15.8	0.925	1.11	0.62	1.98	0.730
Rules on time
Yes	594	50.8		1.0				594	13.8		1.0
No	123	66.7	0.001	1.72	1.07	2.78	0.026	123	27.6	<0.001	2.33	1.37	3.98	0.002
Strictness of rules on time			<0.001†				0.003†			<0.001†				<0.001†
No rules on time	123	66.7		1.0				123	27.6		1.0
0 h of screen viewing	27	14.8	<0.001	0.09	0.02	0.36	0.001	‡
Less than 2 h of screen viewing	457	52.5	0.005	0.65	0.40	1.07	0.091	484‡	10.3	<0.001	0.29	0.17	0.52	<0.001
≥2 h of screen viewing	110	52.7	0.031	0.50	0.27	0.94	0.031	110	31.8	0.486	0.98	0.51	1.89	0.955

*Adjusted for age, gender, ethnicity, mother's education, father's education, parental marital status, income, number of TVs, number of mobile devices, number of computers, number of video game consoles, knowledge of screen viewing recommendations, parental screen viewing.
†Overall p value.
‡Combined categories due to n=0 screen viewing in rule category ‘0 screen viewing’.