. 2021 Jul 28;21:382. doi: 10.1186/s12888-021-03370-4

Table 4.

Bivariate Pearson’s Correlation Coefficient between Depression, Anxiety, and Stress (DASS-21), Insomnia Severity (ISI), Intolerance of Uncertainty (IUS), and Problem and Emotion-based Coping (Brief COPE). N = 3032

	Mean (SD)	Pearson’s Correlation Coefficient (r)
	Mean (SD)	Depression	Anxiety	Stress	Insomnia Severity (ISI)	Intolerance of Uncertainty Score (IUS)	Positive coping
DASS-21 Depression Score*2	8.01 (8.27)
DASS-21 Anxiety Score*2	4.69 (6.04)	0.71^*
DASS-21 Stress Score*2	9.00 (8.68)	0.81^*	0.78^*
Insomnia Severity Index (ISI) Score.	8.03 (6.21)	0.54^*	0.50^*	0.59^*
Intolerance of Uncertainty Scale (IUS) Score	29.35 (10.50)	0.56^*	0.51^*	0.58^*	0.45^*
Problem-Based coping (Brief COPE) composite score	5.46 (1.79)	- 0.10^*	0.01	0.03	0.03	0.17^*
Emotion-Based coping (Brief COPE) composite score	3.19 (1.43)	0.48^*	0.48^*	0.51^*	0.41^*	0.50^*	0.38^*

* Correlation is significant at p < 0.01 (2-tailed)