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

Table 3

The intraclass correlation coefficients between visits 1 and 2.

	Visit 1 all patients	Visit 2 all patients	ICCs
RR dimension	43.03±2.00	49.18±2.37	0.50**
RP dimension	53.23±2.52	57.31±2.70	0.49**
EF dimension	43.25±2.63	59.40±2.83	0.41**
Total MSQ score	45.92±2.12	52.4±2.46	0.49**

Q: question; RR: role restrictive; RP: role preventive; EF: emotional functioning; ICCs: intraclass correlation coefficients; *P < 0.01; **P < 0.001; each value is mean ± SE.