Figure 1From: Psychometric properties of the pain stages of change questionnaire as evaluated by rasch analysis in patients with chronic musculoskeletal pain The distribution of the items in precontemplation (A), contemplation (B), action (C) and maintenance (D) subscales and the patients (N = 231) along the Rasch calibrated metric scale. The upper panel shows the location of the subjects and the lower panel the threshold of the items.Back to article page