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Table 3 Changes in ASK-20 scores from baseline to the end of the study period

From: Pharmacist involvement in the inhaler choice improves lung function in patients with COPD: a prospective single-arm study

ASK-20 components

Baseline (n = 36)

End (n = 36)

P*

P‡

Score

Barriers

Score

Barriers

Mean

SD

n (%)

Mean

SD

n (%)

Lifestyle

 Q1 I just forget to take my medicines some of the time.

1.83

1.26

7 (19.4)

1.61

1.03

4 (11.1)

0.42

1.0

 Q2 I run out of my medicine because I don’t get refills on time.

1.28

0.84

2 (5.6)

1.06

0.23

0

0.13

0.53

 Q3 My use of alcohol gets in the way of taking my medicines.

1.11

0.39

0

1.06

0.23

0

0.47

1.0

 Q4 I worry about how medicine will affect my sexual health.

1.03

0.16

0

1.03

0.16

0

1.0

1.0

 Q5 I sometimes forget things that are important to me.

2.25

1.34

8 (22.2)

1.67

0.94

3 (8.3)

0.04

< 0.001

 Q6 I have felt sad, down, or blue during the past month.

1.92

1.30

3 (8.3)

1.36

0.85

0

0.04

0.29

Attitudes and Beliefs

 Q7 I feel confident that each one of my medicines will help me.

2.17

1.32

11 (30.6)

1.36

0.58

1(2.8)

< 0.01

< 0.01

 Q8 I know if I am reaching my health goals.

3.08

1.21

24 (66.7)

1.72

0.65

4 (11.1)

< 0.0001

< 0.001

Help from Others

 Q9 I have someone I can call with questions about my medicines.

2.75

1.44

12 (33.3)

1.42

0.60

0

< 0.0001

0.01

Talking with the Healthcare Team

 Q10 I understand my doctor’s/pharmacist’s instructions about the medicines I take.

1.81

0.91

5 (13.9)

1.61

0.89

3 (8.3)

0.37

1.0

 Q11 My doctor/pharmacists and I work together to make decisions.

3.56

1.48

23 (63.9)

1.50

0.69

2 (5.56)

< 0.0001

< 0.0001

 Q12 I am able to read and understand pill bottle labels.

2.19

1.24

13 (36.4)

1.42

0.83

3 (8.3)

0.003

0.13

Taking Medicines

 Q13 Taking medicines more than once a day is inconvenient.

2.56

1.44

11 (30.6)

1.39

0.76

1 (2.8)

< 0.0001

0.24

 Q14 I have to take too many medicines a day.

2.33

1.35

8 (22.2)

1.39

0.76

2 (5.6)

< 0.001

0.30

 Q15 It is hard for me swallow the pills I have to take.

1.56

0.68

0

1.08

0.36

0

< 0.001

1.0

Have you …

 Q16 Taken a medicine more or less often than prescribed?

1.78

1.36

6 (16.7)

1.28

0.69

3 (8.3)

0.06

1.0

 Q17 Skipped or stopped taking a medicine because you didn’t think it was working?

1.42

1.01

4 (11.1)

1.03

0.16

0

0.03

0.29

 Q18 Skipped or stopped taking a medicine because it made you feel bad?

1.28

0.84

2 (5.6)

1.06

0.16

1 (2.8)

0.15

1.0

 Q19 Skipped, stopped, not refilled, or taken less medicine because of the cost?

1.03

0.16

0

1.0

0

0

0.32

1.0

 Q20 Not had medicine with you when it was time to take it?

1.92

1.30

5 (13.9)

1.11

0.31

0

< 0.001

0.15

  1. The study period was 26 ± 2 weeks. *Paired t-test for the change in mean score from baseline to end. ‡Fisher’s exact test for the prevalence of barriers between baseline and end