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Table 2 Participant characteristics at baseline

From: Development of an attention-touch control for manual cervical distraction: a pilot randomized clinical trial for patients with neck pain

Characteristic Low Force Medium Force High Force
(n = 16) (n = 16) (n = 16)
Age in years, mean (SD) 42.2 11.2 47.0 11.4 51.2 13.7
Female, n (%) 11 69 12 75 8 50
White, n (%) 15 94 14 88 15 94
Married, n (%) 7 44 10 63 9 56
Education, high school graduate or higher, n (%) 16 100 16 100 15 94
Employment, full-time, n (%) 11 69 9 56 8 50
Previous chiropractic, n (%) 16 100 14 88 13 81
Regular chiropractic care, n (%) 3 19 5 31 4 25
Body mass index, mean (SD) 31.3 6.9 30.3 6.3 26.9 5.3
Beck depression index, mean (SD) 5 3.8 5 5.0 4 3.7
Current neck pain, Visual Analog Scale (0-100 mm), mean (SD) 45.2 18.0 44.3 14.1 34.5 12.3
Neck disability index (0-50), mean (SD) 10.8 4.0 11.1 4.5 11.1 3.9
Neck pain or symptom radiation pattern (may indicate more than 1 location of symptom radiation)       
Head, n (%) 1 6 2 13 2 13
Thoracic, n (%) 3 19 2 13 4 25
Shoulder, n (%) 8 50 3 19 8 50
Upper arm, n (%) 1 6 0 0 2 13
Distal arm/hand, n (%) 3 19 8 50 2 13
Quebec Task Force Classification       
QTF 2, n (%) 11 23 11 23 14 29
QTF 3, n (%) 5 10 5 10 2 4
PROMIS-pain interference, mean (SD) 53.2 6.7 54.9 5.2 51.2 5.6
PROMIS-physical function score, mean (SD) 27.7 5.2 25.3 5.0 26.4 4.5
PROMIS-sleep disturbance, mean (SD) 51.3 3.0 51.3 3.0 51.5 2.6
PROMIS-fatigue, mean (SD) 50.4 10.9 46.4 9.3 47.1 7.2
  1. PROMIS Patient-Reported Outcomes Measurement Information System, QTF 2 Quebec Task Force Rating 2 - pain and radiation to proximal extremity, QTF 3 Quebec Task Force Rating 3 - pain and radiation to distal extremity