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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