Table 3.

The Pearson correlation among perceived stress, sleep disturbance, and demoralization.

Variable	Mean	SD	1	2	3
perceived stress	2.54	0.61	1
sleep disturbance	9.35	1.97	0.287**	1
demoralization	2.80	0.65	0.331**	0.558**	1

** P < 0.01.