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Table 1 Subject sociodemographic, clinical, and outcome characteristics

From: Development of the chronic obstructive pulmonary disease morning symptom diary (COPD-MSD)

Characteristica CE (N = 35) CI (N = 21)
Age (years)   
  Mean, SD, (range) 65.0, 7.5 (51–75) 62.3, 8.3 (44–75)
Gender n (%)   
  Female 17 (49) 10 (48)
Racial/Ethnic Background n (%)   
  White 28 (87) 13 (62)
  Black or African American 4 (11) 4 (19)
  Hispanic or Latino 4 (11) 4 (19)
  Otherb 3 (9) 4 (19)
Employment Status n (%)   
  Retired 15 (43) 9 (43)
  Disabled 9 (26) 8 (38)
  Full-time work 6 (17) 1 (5)
  Part-time work 3 (9) 2 (10)
  Otherc 2 (7) 1 (5)
Highest Level of Education Completed n (%)   
   ≤ Secondary/high school 15 (43) 7 (33)
  Associate degree 2 (7) 4 (19)
  Some college 7 (20) 6 (29)
  College degree 9 (26) 2 (10)
  Otherd 2 (7) 2 (10)
Current or Former Smoker n (%)   
  Current smoker 15 (43) 3 (14)
  Former smoker 20 (57) 18 (86)
Physician-reported GOLD Stage, n (%)   
  GOLD I 5 (14) 2 (10)
  GOLD II 11 (31) 8 (38)
  GOLD III 11 (31) 7 (33)
  GOLD IV 8 (23) 4 (19)
Physician-rated mMRC, n (%)   
  0 0 (0.0) 0 (0.0)
  1 12 (34.3) 7 (33.3)
  2 18 (51.4) 5 (23.8)
  3 5 (14.3) 7 (33.3)
  4 0 (0.0) 2 (9.5)
Patient-reported CAT total score   
  Mean, SD (range)e 22.0, 6.2 (11–32) 20.1, 8.6 (5–36)
Patient-reported SGRQ-C, mean, SD (range)f   
  Total score 57.2, 19.9 (4–100) --
  Symptom 71.8, 17.3 (25–100) --
  Activity 66.9, 24.3 (0–100) --
  Impact 46.6, 22.5 (0–99) --
  1. a All characteristics self-reported by subjects unless otherwise noted
  2. b Other: CE – Chicano (n = 1), Hispanic (n = 2); CI – Chicano (n = 3), Hispanic (n = 1)
  3. c Other: CE – Homemaker (n = 1); Self-employed (n = 1); CI – Unemployed (n = 1)
  4. d Other: CE – Postgraduate degree (n = 1); 4 years, no degree (n = 1); CI – Postgraduate degree (n = 2)
  5. e CAT score ranges from 0-40 with scores ≥ 10 indicating the patient is symptomatic and >20 indicating high impairment
  6. f SGRQ total and subscale scores range from 0-100 with higher scores indicating more impairment