Physical activity and mental health in school-aged children: a prospective two-wave study during the easing of the COVID-19 restrictions

Table 7 Multiple regressions analysis of physical activity on the change in health-related quality of life (posttest)

	Physical well-being		Psychological well-being		Moods and emotion		Self-perception		Autonomy		Parent relation		Financial resources		Social support		School environment		Social acceptance
	ß	t	ß	t	ß	t	ß	t	ß	t	ß	t	ß	t	ß	t	ß	t	ß	t
*Step 1*
Pretest variable	0.71	13.07^**	0.76	15.06^**	0.76	15.23^**	0.80	17.52^**	0.64	10.78^**	0.65	11.04^**	0.62	10.24^**	0.62	10.21^**	0.66	11.35^**	0.56	8.64^**
*Step 2*
Pretest variable	0.72	12.92^**	0.76	15.12^**	0.77	15.37^**	0.81	17.57^**	0.64	10.71^**	0.65	11.01^**	0.61	10.10^**	0.63	10.39^**	0.67	11.40^**	0.56	8.69^**
Physical activity	− 0.04	-0.65	0.07	1.43	0.08	1.68	0.05	1.17	− 0.03	-0.50	− 0.03	-0.57	− 0.08	-1.26	− 0.10	-1.67	0.07	1.11	− 0.06	-0.95

Note. The dependent variables were the posttest KIDSCREEN variables, while controlling for the respective pretest KIDSCREEN variable. Standardized regression weights (ß) and the respective t-tests are reported.
^*p < .05; ^**p < .01

ISSN: 1753-2000