Table 2.

Descriptive statistics uncentered country-year-level variables

	Total					2002		2006		2010		2014		2018
	n	Mean	SD	Min.	Max.	n	Mean	n	Mean	n	Mean	n	Mean	n	Mean
Boys
Proportion with high psychological complaints	188	0.154	0.062	0.05	0.44	30	0.140	39	0.152	38	0.145	40	0.147	41	0.181
Proportion with schoolwork pressure	188	0.365	0.116	0.14	0.68	30	0.372	39	0.382	38	0.349	40	0.345	41	0.380
Proportion living with both parents	186	0.744	0.082	0.41	0.94	30	0.777	39	0.731	37	0.742	40	0.751	40	0.727
Time spent in internet (hours)	81	3.267	0.609	1.48	4.44					23	2.600	29	3.318	29	3.744
Proportion with obesity	188	0.081	0.029	0.03	0.21	30	0.069	39	0.073	38	0.079	40	0.086	41	0.092
Girls
Proportion with high psychological complaints	188	0.282	0.087	0.10	0.62	30	0.241	39	0.265	38	0.253	40	0.297	41	0.342
Proportion with schoolwork pressure	188	0.439	0.138	0.17	0.79	30	0.427	39	0.437	38	0.404	40	0.435	41	0.485
Proportion living with both parents	186	0.732	0.089	0.46	0.93	30	0.761	39	0.722	37	0.732	40	0.737	40	0.715
Time spent in internet (hours)	81	3.147	0.687	1.01	4.33					23	2.283	29	3.291	29	3.687
Proportion with obesity	188	0.053	0.026	0.02	0.18	30	0.048	39	0.050	38	0.054	40	0.055	41	0.059
Not gender specific
Income inequality	188	32.011	4.753	22.60	42.80	30	32.527	39	32.308	38	31.750	40	31.910	41	31.690
Economic performance	188	3.333	2.281	0.21	11.07	30	2.951	39	3.388	38	3.404	40	3.239	41	3.586

n sample size, SD standard deviation, Min. minimum, Max. maximum