Table A1.

Differences in Gender Means (hours per day) and Standard deviation of sum of screen time during the week and the weekend by countries.

	Total Screen Time on Weekdays					Total Screen Time on Weekends
	Boys		Girls		t-Test	Boys		Girls		t-Test
Country	Mean	SD	Mean	SD	p	Mean	SD	Mean	SD	p
All	6.84	4.80	6.00	4.39	<0.001	9.35	5.50	8.08	5.09	<0.001
Armenia	5.39	3.92	4.57	3.59	<0.001	7.35	4.83	6.51	4.44	<0.001
Bulgaria	8.07	5.40	7.68	4.90	0.016	9.44	5.85	9.06	5.46	0.028
Czechia	6.93	4.53	5.30	3.80	<0.001	8.88	5.37	6.66	4.64	<0.001
England	6.63	4.68	6.59	4.74	0.806	9.39	5.35	8.86	5.23	0.002
Finland	6.11	3.72	5.00	3.01	<0.001	8.50	4.41	6.68	3.62	<0.001
France	6.37	5.06	5.63	4.66	<0.001	9.49	5.67	8.04	5.40	<0.001
Hungary	5.71	4.20	5.11	4.04	<0.001	9.38	5.35	8.16	5.13	<0.001
Ireland	5.19	4.07	5.47	4.47	0.066	7.70	5.13	7.63	5.15	0.716
MKD	6.32	4.93	5.60	4.60	<0.001	9.45	5.77	8.49	5.25	<0.001
Poland	6.26	4.58	5.48	3.84	<0.001	9.18	5.32	7.88	4.73	<0.001
Romania	7.25	4.98	6.35	4.45	<0.001	8.88	5.65	8.03	4.96	<0.001
Scotland	7.69	5.05	7.16	4.96	<0.001	10.19	5.55	9.41	5.46	<0.001
Sweden	7.54	4.79	6.31	4.11	<0.001	10.29	5.57	8.13	4.82	<0.001
Slovakia	7.10	4.85	5.97	4.20	<0.001	nd		nd		nd
Wales	7.74	4.82	6.73	4.58	<0.001	10.22	5.57	8.86	5.32	<0.001

MKD, former Yugoslav Republic of Macedonia; nd, no data.