Table 2 Outcomes included in the summary of results.

   Total score [24]

   Core subscale (items 1, 2, 3, 7, 8) (not published)

   Maier subscale (items 1, 2, 7, 8, 9, 10) [25]

   Anxiety/Somatization subscale (items 10, 11, 12, 13, 15, 17) [26]

   Retardation subscale (items 1, 7, 8, 14) [27]

   Sleep subscale (items 4, 5, 6) [27]

Montgomery-Asberg Depression Rating scale [28]

Hamilton Anxiety Rating Scale total score [29]

Clinical Global Impression of Severity [26]

Patient Global Impression of Improvement [26]

Visual Analog Scale for pain [30]

   Overall pain severity

   Headaches

   Back pain

   Shoulder pain

   Time in pain while awake

   Interference with daily activities

Somatic Symptom Inventory [31]

   26 Item total score

   28 Item total score (includes 2 additional questions on painful physical symptoms)

Quality of Life in Depression Scale total score [32]