Table 2.

Descriptive statistics, correlations, and scale reliabilities.

Variable	M	SD	1	2	3	4
1. Insomnia	10.56	2.84	(0.91)
2. STS	30.27	3.58	0.59 **	(0.94)
3. Exhaustion	46.26	6.65	0.39 **	0.47 **	(0.92)
4. Mental health complaints	44.36	10.08	0.27 **	0.38 **	0.56 **	(0.91)

Note: n = 126, reliability coefficients are reported along the diagonal. ** p < 0.001 (two-tailed).