Table 1.

Means, standard deviations, and correlations among variables.

Variable	M	SD	1	2	3	4
1. Physical exercise	22.50	6.493	1
2. Social-emotional competency	29.60	7.499	0.399**	1
3. Self-esteem	27.01	7.374	0.357**	0.252**	1
4. Social adaptability	41.52	7.623	0.397**	0.321**	0.325**	1

N = 1,230. **p < 0.01; all tests were two-tailed.