. Author manuscript; available in PMC: 2021 Aug 1.

Published in final edited form as: J Behav Med. 2019 Aug 22;43(4):614–622. doi: 10.1007/s10865-019-00088-3

Table 2:

Kendall’s Tau-c coefficients for patients and caregivers at each time point.

PSQI Component	Time 1	Time 2	Time 3	Time 4
Global Sleep Quality	.18	−.25	.12	.31
Duration	.28^**	.27	.11	.15
Daytime Dysfunction	−.05	.12	−.17	.02
Latency	.01	−.24	−.12	−.11
Disturbance	−.02	−.03	.18	.12

p<.05

^**

p<.01

^***

p<.001