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. Author manuscript; available in PMC: 2019 May 29.

Published in final edited form as: Psychiatry Res. 2016 Dec 11;248:6–12. doi: 10.1016/j.psychres.2016.12.009

Table 2.

Bivariate correlation matrix of main study measures

	(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)	(11)	(12)	(13)	(14)	(15)	(16)

(1) PQ-B Raw	-
(2) PQ-B Average Distress	0.568^**	-
(3) Sleep Total	0.493^**	0.452^**	-
(4) Nightmares	0.330^**	0.273^**	0.499^**	-
(5) Initial Insomnia	0.252^**	0.154^**	0.636^**	0.025	-
(6) Fatigue	0.372^**	0.372^**	0.696^**	0.316^**	0.156^**	-
(7) Fragmented Sleep	0.375^**	0.290^**	0.620^**	0.331^**	0.444^**	0.217^**	-
(8) Non-Restorative Sleep	0.343^**	0.305^**	0.642^**	0.230^**	0.265^**	0.670^**	0.174^**	-
(9) Night Anxiety	0.371^**	0.308^**	0.639^**	0.290^**	0.497^**	0.347^**	0.377^**	0.284^**	-
(10) Light Sleep	0.078	0.123*	0.338^**	−0.029	0.385^**	0.045	0.368^**	0.018	0.213^**	-
(11) Movement at Night	0.229^**	0.220^**	0.408^**	0.197^**	0.146^**	0.226^**	0.204^**	0.180^**	0.176^**	−0.094	-
(12) Sensations at Night	0.261^**	0.313^**	0.561^**	0.347^**	0.299^**	0.317^**	0.376^**	0.232^**	0.299^**	0.102^*	0.372^**	-
(13) Excessive Sleep	0.114^*	0.170^**	0.313^**	0.115^*	−0.064	0.475^**	0.003	0.254^**	0.097	−0.147^**	0.138^**	0.068	-
(14) Irregular Sleep	0.187^**	0.204^**	0.504^**	0.075	0.306^**	0.440^**	0.151^**	0.533^**	0.221^**	0.036	0.078	0.165^**	0.269^**	-
(15) Sleep Paralysis	0.228^**	0.208^**	0.463^**	0.365^**	0.224^**	0.215^**	0.334^**	0.187^**	0.261^**	0.085	0.148^**	0.248^**	0.103^*	0.113^*	-
(16) Sleep Hallucinations	0.372^**	0.304^**	0.523^**	0.525^**	0.195^**	0.243^**	0.377^**	0.199^**	0.287^**	0.117^*	0.238^**	0.309^**	0.073	0.109^*	0.510^**	-
(17) BDI-II	0.385^**	0.358^**	0.450^**	0.275^**	0.197^**	0.439^**	0.263^**	0.322^**	0.325^**	0.125^*	0.152^**	0.284^**	0.119^*	0.251^^	0.173^**	0.207^**

^**

Correlations were significant at p value <0.001 (2-tailed)

^*

Correlations were significant at p value <0.01 (2-tailed)