Table 2 Summary of group differences (for variables with p < 0.2) between high adherers and low adherers

Enzyme supplements

Age

n = 23

n = 58

Median (IQR)

6 (2-10)

11.5 (7.5-15)

≤0.001*

Colonisation status

n (%)

P.aeruginosa

Chronic (n = 11)

0 (0)

11 (19)

Not chronic (n = 70)

23 (100)

47 (81)

0.029*

BMQ (parent)

n = 23

n = 58

median (IQR)

Necessity

85 (80-100)

80 (65-96)

0.129^§

Concern

21 (13-38)

29 (17-42)

0.073^§

BMQ (child)

n = 2

n = 31

median (IQR)

Concern

6 (N/A)

21 (13-33)

0.120^§

Vitamins

Age

n = 40

n = 58

0.074^§

Median (IQR)

9 (3-12)

12 (6-15)

Colonisation status

n (%)

P.aeruginosa

Chronic (n = 12)

2 (5)

10 (17)

Not chronic (n = 1)

38 (95)

48 (83)

0.115^§

Presence of concurrent medical condition

n (%)

Yes (n = 15)

9 (23)

6 (10)

No (n = 83)

31 (78)

52 (90)

0.175^§

BMQ (parent)

n = 40

n = 58

median (IQR)

Concern

17 (4-25)

21 (8-33)

0.117^§

CES-D (parent)

n = 37

n = 51

Median (IQR)

6 (3-14)

11 (5-15)

0.073^§

Chest physiotherapy

Age

n = 50

n = 48

≤0.001*

Median (IQR)

7 (2-11)

13 (8-15)

Number of medications currently prescribed

n = 50

n = 48

Median (IQR)

6 (5-8)

5 (4-8)

0.080^§

Presence of concurrent medical condition

n (%)

Yes (n = 16)

4 (8)

12 (25)

No (n = 82)

46 (92)

36 (75)

0.045*

BMQ (parent)

n = 50

n = 48

median (IQR)

Necessity

95 (85-100)

80 (70-95)

0.001*

Concern

25 (22-33)

33 (23-47)

0.032*