FACTOR ANALYSES OF THE McGILL PAIN QUESTIONNAIRE (MPQ) IN ACUTE AND CHRONIC PAIN PATIENTS.

The McGill Pain Questionnaire (MPQ) aims to measure sensory, affective, and evaluative dimensions of pain. However, the structural dimensionality of the MPQ remains somewhat uncertain. Exploratory (EFA) factor analyses were used to investigate the structure of the MPQ based on the responses of a diverse sample of 448 pain patients (M age = 43.