Table 1.

Descriptive statistics and correlations among variables (N = 916).

Variable	Mean	SD	1	2	3	4
1. Physical activity	24.72	23.27	–
2. Physical self-perceptions	2.12	0.48	0.28**	–
3. Self-esteem	3.00	0.45	0.34**	0.42**	–
4. Academic procrastination	2.83	0.55	−0.17**	−0.31**	−0.41**	–

**p < 0.01.