Validity analysis
Correlation between the total, sensory and affective scores of the Turkish version of the SF-MPQ and the NRS was tested for construct validity. The resulting correlation was r = 0Æ61 (p < 0Æ01) for test and r = 0Æ68 (p < 0Æ01) for retest, demonstrating moderate correlation. For concurrent validity, the Table 1 Demographic characteristics of the subjects (n = 130)