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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: J Pain. 2011 Apr 9;12(7):747–755. doi: 10.1016/j.jpain.2010.12.011
Characteristic Clinical pain sample (n=59)
n (%) / M (SD)
Community sample (n=58)
n (%) / M (SD)
Total sample (n=117)
n (%) / M (SD)
X2 or t

Age (mean years) 15.12 (1.69) 14.74 (1.72) 14.97 (1.72) 1.19

Gender
 Male 18 (30.5 %) 15 (25.9%) 33 (28.2%) .312
 Female 41 (69.5 %) 43 (74.1%) 84 (71.8%)

Child Racial Background
 Caucasian 52 (88.1%) 46 (79.3%) 98 (83.8%) 8.36
 African American 0 (0.0%) 7 (12.1%) 7 (6.0%)
 Amer. Indian/Alaskan Native 3 (5.1%) 1 (1.7%) 4 (3.4%)
 Asian 1 (1.7%) 1 (1.7%) 2 (1.7%)
 Other/biracial 3 (5.1%) 3 (5.2%) 6 (5.1%)

Ethnicitya
 Latino 4 (6.9%) 6 (10.7%) 10 (8.8%) 2.72
 Non-latino 54 (93.1%) 48 (85.7%) 102 (89.5%)
 Unknown 0 (0.0%) 2 (3.6%) 2 (1.8%)

Family Incomea
 < $29,999 5 (8.9%) 6 (10.3%) 11 (9.6%) 4.81
 $30,000 – $49,999 11 (19.6%) 7 (12.1%) 18 (15.8%)
 $50,000 – $69,999 8 (14.2%) 11 (19.0%) 19 (16.7%)
 > $70,000 32 (57.1%) 34 (58.6%) 66 (57.9%)

Primary Pain Location
 Head 23 (39.0%) 9 (15.5%) 32 (27.4%) 10.80*
 Abdomen 16 (27.1%) 7 (12.1%) 23 (19.7%)
 Musculoskeletal 20 (33.9%) 31 (53.4%) 51 (43.6%)
 No Location 0 (0.0%) 11 (19.0%) 11 (9.4%)

Pain Frequencya
 None 0 (0.0%) 8 (14.3%) 8 (7.0%) 83.49***
 <1 mos 0 (0.0%) 14 (25.0%) 14 (12.2%)
 <1-3x mos 0 (0.0%) 12 (21.4%) 12 (10.4%)
 Once a week 0 (0.0%) 9 (16.1%) 9 (7.8%)
 2-3 x/week 8 (13.6%) 7 (12.5%) 15 (13.0%)
 3-6 x/week 5 (8.5%) 4 (7.1%) 9 (7.8%)
 Daily 46 (78.0%) 2 (3.6%) 48 (41.7%)

Pain Durationb
 < 1 hr 2 (3.4%) 32 (58.2%) 34 (29.8%) 48.94***
 A few hrs 10 (16.9%) 10 (18.2%) 20 (17.5%)
 Half the day 8 (13.6%) 6 (10.9%) 14 (12.3%)
 All day 39 (66.1%) 7 (12.7%) 46 (40.4%)

Usual Pain Intensity 6.44 (1.75) 3.14 (2.11) 4.82 (2.54) 9.20***

Depression (CES-D)-Total Score 14.41 (10.23) 8.44 (6.16) 11.47 (8.95) 3.80**

Activity Limitations (CALI-21)
 Adolescent 29.72 (15.18) 5.81 (5.96) 17.97 (16.66) 11.10***
 Caregiver 28.73 (16.84) 2.34 (4.84) 15.65 (18.14) 11.50***
*

p<.05

**

p<.01

***

p<.001

a

n = 114

b

n = 115