Clinical and psychological predictors of sleep quality in chronic migraine: a preliminary retrospective analysis study

Table 2 Pearson’s correlation coefficients. (N = 56)

	Age	MHD	NRS	MIDAS	Weekly exercise duration (mins)	BAI	BDI
Age	1	0.079	0.039	-0.039	0.031	-0.203	-0.217
MHD		1	0.397^**	0.346^**	0.003	0.141	0.091
NRS			1	0.396^**	-0.217	0.329^*	0.371^**
MIDAS				1	-0.077	0.298^*	0.224
Weekly exercise duration (mins)					1	-0.035	-0.007
BAI						1	0.842^**
BDI							1

Abbreviations: Monthly Headache Days = MHD; Numerical Rating scale = NRS; Migraine Disability Assessment Scale = MIDAS; Beck Anxiety Inventory = BAI, Beck Depression Inventory = BDI.
* p-value < 0.05; ** p-value < 0.01.

ISSN: 1471-2377