Reliability and Validity of the Migraine Disability Assessment Scale among Migraine and Tension Type Headache in Iranian Patients

Table 6

The correlation of numeric rating scale (NRS) and headache days per month (HDPM) with MIDAS score.

	Total patients (𝑛=267)		M (𝑛=207)		TTH (𝑛=60)
	NRS	HDPM	NRS	HDPM	NRS	HDPM
School/job dimension	0.17**	0.23**	0.11*	0.28**	0.32**	0.09
Housework dimension	0.31**	0.48**	0.26**	0.51**	0.47**	0.44**
Social dimension	0.28**	0.48**	0.22**	0.50**	0.46*	0.45**
Total MIDAS score	0.36**	0.59**	0.29**	0.61**	0.60**	0.56**

NRS: numeric rating scale; HDPM: headache days per month; TTH: tension type headache; M: migraine; data are given as spearman correlation coefficient; *𝑃<0.01; **𝑃<0.001; 𝑛: number.