Results from the translation and adaptation of the Iranian Short-Form McGill Pain Questionnaire (I-SF-MPQ): preliminary evidence of its reliability, construct validity and sensitivity in an Iranian pain population

Table 2 Internal Consistency and Test-retest Reliability of Iranian version of Short-Form Mc Gill Pain Questionnaire

	Number of items	T1 Mean ± SD	T2 Mean ± SD	Chronbach's alpha Coefficient (T1, T2)	ICC
Sensory	11	8.03 ± 5.99	7.95 ± 5.45	0.951, 0.940	0.906
Affective	4	2.64 ± 2.78	2.51 ± 2.89	0.832, 0.809	0.712
Total	15	10.60 ± 7.88	10.67 ± 7.45	0.840, 0.837	0.912
VAS	2	4.43 ± 2.57	4.39 ± 2.61	0.870*	0.870
PPI	2	2 ± 1.05	1.99 ± 1.23	0.820*	0.820

T1 First Questionnaire completion attempt, T2 second questionnaire completion (evening of the same day), VAS visual analogue scale, PPI present pain intensity
* T1 vs. T2

ISSN: 2052-1847