Table 1.

Correlation Matrix of Study Variables.

	1	2	3	4	5	6	7
1. Age	–
2. Gender	−0.002	–
3. T1 MDD	−0.092***	.075***	–
4. T1 GAD	−0.044*	.075***	.288***	–
5. T3 MDD	−0.088***	.083***	.279***	.182***	–
6. T3 GAD	−0.086***	.066***	.159***	.354***	.340***	–
7. T2 PSQI	−0.041	.144***	.224***	.179***	.291***	.181***	–
M or %	45.62	54.61	0.69	0.14	0.6	0.13	6.09
SD	11.41	–	1.82	0.86	1.71	0.92	3.58
Min	20.00	–	0.00	0.00	0.00	0.00	0.00
Max	74.00	–	7.00	10.00	7.00	10.00	19.00
Skewness	0.24	–	2.44	7.47	2.69	7.89	0.93
Kurtosis	−0.70	–	4.35	60.84	5.74	65.66	0.57

Note.

^*p < .05;

^{* **}p < .001.

GAD = generalized anxiety disorder; PSQI = Pittsburgh Sleep Quality Index; MDD = major depressive disorder; M = mean; Max = maximum; Min = minimum; SD = standard deviation; T1 = time 1; T2 = time 2; T3 = time 3.