The Psychometric Properties of the Persian Migraine-Specific Quality of Life Questionnaire Version 2.1 in Episodic and Chronic Migraines

Table 5

Comparison of the mean MSQ scores between three grades of MIGSEV scale.

	MIGSEV grades
	MIGSEV grade 1; (𝑛=31)	MIGSEV grade 2; (𝑛=27)	MIGSEV grade 3; (𝑛=44)	P value
RR dimension	51.23±3.65	43.70±2.75	33.40±2.45	<0.001
RP dimension	65.48±3.45	55.55±3.83	43.75±3.38	<0.001
EF dimension	53.97±4.62	46.66±4.74	31.66±3.04	<0.001
MSQ total	56.61±3.66	48.64±3.29	36.19±2.49	<0.001

RR: role restrictive; RP: role preventive; EF: emotional functioning; each value is mean ± SE, n: number; *P < 0.001; each value is mean ± SE.