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Table 1 Participant demographic and clinical characteristics

From: The Cystic Fibrosis Impact Questionnaire: qualitative development and cognitive evaluation of a new patient-reported outcome instrument to assess the life impacts of cystic fibrosis

Characteristic

Patient concept elicitation participants (N = 42)

Caregiver concept elicitation participants (N = 22)

Cognitive interview participants (N = 18)

Age, years, mean (median; range)

20.9 (17.4; 6.7–58.2)

42.6 (41.5; 33.2–60.3)

20.6 (19.1; 9.0–33.0)

Age quota group, years, n (%)

 6–8

6 (14.3)

N/A

0

 9–11

6 (14.3)

N/A

1 (5.6)

 12–17

10 (23.8)

N/A

6 (33.3)

 18–24

8 (19.0)

N/A

6 (33.3)

  ≥ 25 or older

12 (28. 6)

N/A

5 (27.8)

Sex, n (%)

 Male

18 (42.9)

5 (22.7)

11 (61.1)

 Female

24 (57.1)

17 (77.3)

7 (38.9)

Hispanic, Latino, or Spanish origin, n (%)

 Not Hispanic or Latino

38 (90.5)

20 (90.9)

18 (100.0)

 Hispanic or Latino

4 (9.5)

2 (9.1)

0

Race, n (%)

 Black or African American

2 (4.8)

1 (4.5)

0

 Native Hawaiian or other Pacific Islander

1 (2.4)

0

0

 White

37 (88.1)

21 (95.5)

16 (88.9)

 Other

2 (4.8)

0

2 (11.1)

Highest education level completed, n (%)

 Less than high school

18 (42.9)

0

3 (16.7)

 High school

9 (21.4)

3 (13.6)

8 (44.4)

 College

4 (9.5)

6 (27.3)

4 (22.2)

 Bachelor’s degree

6 (14.3)

13 (59.1)

2 (11.1)

 Graduate or professional school

5 (11.9)

0

1 (5.6)

Employment status, n (%)

 Employed full-time for wages

7 (35.0)

N/A

1 (5.6)

 Employed part-time for wages

5 (25.0)

N/A

6 (33.3)

 Out of work for < 1 year

0

N/A

1 (5.6)

 Out of work for > 1 year

1 (5.0)

N/A

2 (11.1)

 Homemaker

1 (5.0)

N/A

0

 Student

3 (15.0)

N/A

1 (5.6)

 Retired

1 (5.0)

N/A

0

 Unable to work

2 (10.0)

N/A

0

 Not askeda

22

 

7

Patients’ self-rated overall health (compared with their peers), n (%)

 Poor

2 (6.7)

N/A

1 (5.6)

 Fair

8 (26.7)

N/A

3 (16.7)

 Good

9 (30.0)

N/A

9 (50.0)

 Very good

9 (30.0)

N/A

2 (11.1)

 Excellent

2 (6.7)

N/A

2 (11.1)

 Not askedb

12

 

1

Patients’ self-rated severity of CF symptoms, n (%)

 No symptoms

0

N/A

1 (5.6)

 Mild

10 (33.3)

N/A

5 (27.8)

 Moderate

15 (50.0)

N/A

11 (61.1)

 Severe

4 (13.3)

N/A

0

 Very severe

1 (3.3)

N/A

0

 Not askedb

12

 

1

CF-related hospitalizations in the past year, mean (median; range)

0.9 (0; 0–6)

N/A

0.72 (0; 0–2)

Duration of stay of most recent CF-related hospitalization, days (median; range)

10.4 (11.0; 2–19)

N/A

6.2 (4.0; 2–18)

Mean most recent ppFEV1 value

80.8 (85.0; 22–127)

N/A

64.6 (61.5; 8–115)

Comorbid conditions reported in ≥5% of participants, n (%)

 Bronchitis

2 (4.8)

N/A

3 (16.7)

 Asthma

8 (19.0)

N/A

7 (38.9)

 Recurring infections

13 (31.0)

N/A

1 (5.6)

 CF-related diabetes

4 (9.5)

N/A

4 (22.2)

 Pancreatic insufficiency

30 (71.4)

N/A

17 (94.4)

 Sinus disease

13 (31.0)

N/A

9 (50.0)

 GERD

5 (11.9)

N/A

5 (27.8)

 Malabsorption

11 (26.2)

N/A

9 (50.0)

 Depression

2 (4.8)

N/A

3 (16.7)

 Anxiety

3 (7.1)

N/A

1 (5.6)

Patient is receiving CFTR modulator therapy, n (%)

 Yes

17 (40.5)

N/A

6 (33.3)

 No

25 (59.5)

N/A

12 (66.6)

  1. CF cystic fibrosis; CFTR CF transmembrane conductance regulator; GERD gastroesophageal reflux disease; N/A not available (variable was not collected or not applicable to the respondent); ppFEV1 percent predicted forced expiratory volume in 1 s
  2. aItem asked only of adult patients aged ≥18 years (n = 20)
  3. bItem asked only of patients aged ≥12 years (n = 30)