Table 1.

Descriptive statistics and associated analysis results.

	M	SD	1	2	3	4
1. Physical exercise	2.30	0.93
2. Life satisfaction	3.98	1.41	0.09*
3. Self-control	3.30	0.54	0.20**	0.43**
4. Psychological distress	0.78	0.54	−0.14**	−0.40**	−0.52**

*p < 0.05, **p < 0.01.