. Author manuscript; available in PMC: 2015 Sep 1.

Published in final edited form as: Psychosom Med. 2014 Sep;76(7):519–528. doi: 10.1097/PSY.0000000000000097

Table 4.

Intercorrelations Between Dependent Variables (N = 130).

	PSQI	Nap duration	Nocturnal awakenings	Latency to fall asleep	Morning restfulness
MFSI	.498^***	−.078	.158	.092	−.372^**
PSQI		.033	.192	.212^**	−.374^**
Nap duration			−.035	.048	.127
Nocturnal awakenings				−.002	−.256^**
Latency to fall asleep					−.291^**
Morning restfulness

Notes. *p <.05,

^**

p <.01,

^***

p <.001.

MFSI = Multidimensional Fatigue Symptom Inventory; PSQI = Pittsburgh Sleep Quality Index.