Table 4.

Logistic regression model analysis (odds ratios and 95% confidence intervals) for analysed environmental, sociocultural and sociodemographic variables by age group, by gender within age group and by day of the week for spending ≥2 h/day in overall screen viewing

	Overall screen viewing
	Primary school children								Secondary school children
	Female				Male				Female				Male
	Weekday		Weekend day		Weekday		Weekend day		Weekday		Weekend day		Weekday		Weekend day
	OR	(95% CI)	OR	(95% CI)	OR	(95% CI)	OR	(95% CI)	OR	(95% CI)	OR	(95% CI)	OR	(95% CI)	OR	(95% CI)
Household TV set
≥2	2.34	0.56–9.79	1.18	0.35–3.89	1.27	0.63–2.58	0.75	0.27–2.08	3.99	0.75–20.9	1.89	0.96–3.70	1.34	0.64–2.79	5.85	0.99–34.5
≥3	2.06	0.45–9.26	1.11	0.32–3.82	1.52	0.40–5.76	1.33	0.26–6.69	3.62	0.81–16.1	1.38	0.61–3.10	1.68	0.66–4.27	7.72	0.87–68.5
TV bedroom	1.08	0.38–3.05	2.43	0.86–6.84	0.44	0.08–2.20	0.71	0.10–5.05	0.32	0.10–0.97*	0.87	0.24–3.15	0.40	0.15–1.03	1.09	0.38–3.05
Computer bedroom	0.97	0.41–2.30	1.00	0.29–3.41	0.56	0.18–1.72	0.43	0.17–1.04	0.94	0.34–2.61	1.20	0.53–2.70	1.30	0.55–3.05	0.53	0.25–1.09
Console bedroom	0.60	0.19–1.89	1.08	0.47–2.49	0.51	0.21–1.23	0.56	0.29–1.08	0.26	0.08–0.84*	0.84	0.11–6.23	0.60	0.34–1.05	1.44	0.43–4.84
Parental TV viewing	1.90	0.39–9.05	1.60	0.44–5.77	0.95	0.37–2.46	1.59	0.32–7.73	2.74	1.06–7.10*	0.67	0.27–1.63	5.89	1.15–30.1*	6.83	1.02–45.4*
Parental rules TV	0.45	0.07–2.62	1.35	0.41–4.45	0.12	0.02–0.67*	0.91	0.20–4.04	0.52	0.22–1.20	Omitted		0.34	0.07–1.56	1.84	0.29–11.5
Parental rules computer playing	0.31	0.04–2.08	1.48	0.47–4.59	0.84	0.12–5.95	0.99	0.10–9.79	2.49	0.29–20.8	0.86	0.12–5.88	0.59	0.08–3.99	Omitted
Parental age	0.34	0.07–1.53	0.34	0.08–1.38	0.42	0.15–1.15	1.21	0.37–4.01	0.11	0.02–0.51**	0.45	0.11–1.79	0.15	0.03–0.64*	1.24	0.32–4.74
Family structure	0.42	0.08–2.05	0.26	0.12–0.53**	0.62	0.13–2.93	0.54	0.17–1.71	0.42	0.16–1.13	Omitted		0.97	0.35–2.64	1.06	0.17–6.35
Presence of siblings	1.40	0.45–4.36	0.73	0.33–1.60	1.38	0.39–4.87	0.87	0.39–1.97	1.22	0.52–2.88	1.27	0.39–4.16	0.92	0.46–1.85	1.20	0.49–2.89
Mother employment	1.33	0.40–4.41	0.53	0.21–1.29	0.98	0.40–2.41	0.49	0.12–1.93	0.67	0.28–1.58	0.61	0.12–3.18	1.89	0.52–6.81	1.25	0.25–6.13
Father employment	0.32	0.06–1.68	1.14	0.19–6.87	0.87	0.21–3.52	5.90	0.49–70.4	2.67	0.42–16.9	1.33	0.24–7.36	0.15	0.02–0.88*	Omitted

Household TV set (ref. 1); TV bedroom (ref. yes); computer bedroom (ref. yes); console bedroom (ref. yes); parental TV viewing (ref. <2 h/day); parental TV rules (ref. no); parental age (ref. ≤40 years old); family structure (ref. single parents); presence of siblings (ref. no); mother employment (ref. non-working); father employment (ref. non-working). Model adjusted for parental BMI group, children BMI group and parental education and clustering by school. *P < 0.05, **P < 0.01.