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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: Clin J Pain. 2017 Jan;33(1):28–36. doi: 10.1097/AJP.0000000000000371

Table 1.

Descriptive characteristics of the sample

Variable New onset pain
n=69
Chronic pain
n=60
Healthy
n=62
p

M(SD)/N(%) M(SD)/N(%) M(SD)/N(%)

Age in years 13.98 (1.75) 14.58 (2.22) 13.63 (2.05) .03

Sex .01
   Female 43 (62.3) 51 (85.0) 41 (66.1)
   Male 26 (37.7) 9 (15.0) 21 (33.9)

Body Mass Index 23.30 (5.04) 23.19 (7.21) 21.02 (4.47) .04

Race
   Caucasian/White 41 (59.4) 46 (76.7) 50 (80.6) .007
   African American/Black 4 (5.8) 3 (5.0) 4 (6.5)
   Asian 1 (1.4) 4 (6.7) 5 (8.1)
   American Indian/Alaskan 0 (0.0) 0 (0.0) 1 (1.6)
   More than one race 17 (24.6) 4 (6.7) 2 (3.2)
   Not reported 6 (8.7) 3 (5.0) 0 (0.0)

Most painful pain location <.001
   Back or Spine 9 (13.0) 17 (28.3) 4 (6.5)
   Leg or foot 30 (43.5) 16 (26.7) 16 (25.8)
   Hand/arm 7 (10.1) 6 (10.0) 4 (6.5)
   Shoulder 5 (7.2) 3 (5.0) 1 (1.6)
   Hip 3 (4.3) 4 (6.7) 2 (3.2)
   Neck 6 (8.7) 3 (5.0) 0 (0.0)
   Head 9 (13.0) 2 (3.3) 2 (3.2)
   Chest 0 (0.0) 0 (0.0) 1 (1.6)
   Abdomen 0 (0.0) 1 (1.7) 5 (8.1)