Introduction
Methods
Design
Sample and recruitment
Data assessment and measures
Statistics
Results
Patient characteristics
All (N = 402) | Patients with asthma (N = 196) | Patients with COPD (N = 206) |
p
| |
---|---|---|---|---|
Male (%) | 50.5 | 39.8 | 60.7 | <.01 |
Age (years) (M; SD) | 56.7 (15.9) | 47.7 (16.7) | 65.3 (8.85) | <.01 |
Migrational background (%) | 6.0 | 7.1 | 5.0 | .36 |
Living alone (%) | 19.3 | 16.3 | 22.3 | .13 |
Schooling | <.01 | |||
< 10 years (%) | 57.5 | 40.3 | 74.4 | |
10 years (%) | 26.7 | 33.0 | 20.5 | |
≥ 10 years (%) | 15.8 | 26.7 | 5.1 | |
Age at diagnosis (years) (M; SD) | 46.7 (17.8) | 36.4 (18.3) | 56.6 (10.1) | <.01 |
Duration of disease (years) (M; SD) | 9.9 (9.1) | 11.5 (9.9) | 8.4 (7.9) | <.01 |
Inpatient treatment (%) | 37.8 | 4.6 | 69.4 | <.01 |
Time needed to visit provider of asthma/COPD treatment (min) (M; SD) | 27.2 (17.6) | 24.2 (16.7) | 30 (18.0) | <.01 |
Number of visits to the provider of asthma/COPD treatment during the last year (M; SD) | 4.7 (5.2) | 3.0 (2.4) | 6.3 (6.5) | <.01 |
Disease severity/control | n.a. | |||
CAT score | – | – | 23.2 (7.2) | |
ACQ score | – | 1.5 (1.2) | – | |
Experience of severe side effects (% yes) | 16.4 | 8.3 | 24.2 | <.01 |
Number of prescribed medicines (M; SD) | 4.8 (3.9) | 2.7 (2.3) | 6.9 (4.0) | <.01 |
Number of prescribed inhalers (M; SD) | 1.9 (0.9) | 1.7 (0.9) | 2.1 (1.0) | <.01 |
Number of prescribed pills (M; SD) | 2.7 (3.5) | 0.8 (1.9) | 4.5 (3.6) | <.01 |
Number of other prescribed medicines (M; SD) | 0.2 (0.6) | 0.1 (0.4) | 0.4 (0.7) | <.01 |
SF-12 PCS (M; SD) | 39.0 (12.6) | 46.5 (10.8) | 31.8 (9.7) | <.01 |
SF-12 MCS (M; SD) | 40.9 (13.7) | 44.0 (12.4) | 38.0 (14.3) | <.01 |
GSE (M; SD) | 24.4 (6.0) | 30.7 (5.0) | 28.2 (6.6) | <.01 |
HADS-depression (M; SD) | 6.7 (4.7) | 5.2 (4.1) | 8.3 (4.6) | <.01 |
HADS-anxiety(M; SD) | 7.8 (4.3) | 7.4 (4.2) | 8.1 (4.3) | .10 |
BMQ- overuse (M; SD) | 3.1 (0.7) | 3.1 (0.7) | 3.2 (0.7) | .68 |
BMQ- harm (M; SD) | 2.4 (0.7) | 2.4 (0.6) | 2.5 (0.7) | .15 |
BMQ- utility (M; SD) | 3.9 (0.7) | 3.9 (0.6) | 3.9 (0.7) | .61 |
BMQ- concerns (M; SD) | 2.4 (0.8) | 2.2 (0.7) | 2.6 (0.8) | <.01 |
BMQ- necessity (M; SD) | 3.8 (0.9) | 3.5 (1.0) | 4.1 (0.7) | <.01 |
Medication adherence
Beliefs about medicines and medication adherence
Not adjusted | With adjustmenta
| |||||
---|---|---|---|---|---|---|
OR | 95% CI |
p
| OR | 95% CI |
p
| |
BMQ-subscales | ||||||
General beliefs
| ||||||
Overuse | 0.56 | 0.34–0.93 | .02 | 0.42 | 0.22–0.80 | <.01 |
Harm | 0.55 | 0.30–1.01 | .05 | 0.43 | 0.21–0.88 | .02 |
Utility | 0.40 | 0.80–2.78 | .21 | 1.39 | 0.68–2.82 | .36 |
Specific beliefs
| ||||||
Necessity | 2.04 | 1.29–3.22 | <.01 | 2.97 | 1.54–5.73 | <.01 |
Concerns | 0.83 | 0.50–1.38 | .47 | 0.68 | 0.37–1.28 | .24 |
Not adjusted | With adjustmenta
| |||||
---|---|---|---|---|---|---|
OR | 95% CI |
p
| OR | 95% CI |
p
| |
BMQ-subscales | ||||||
General beliefs
| ||||||
Overuse | 0.70 | 0.47–1.06 | .09 | 0.61 | 0.37–1.00 | .05 |
Harm | 0.81 | 0.52–1.25 | .34 | 0.87 | 0.53–1.42 | .58 |
Utility | 1.29 | 0.84–1.98 | .25 | 1.40 | 0.85–2.30 | 0.18 |
Specific beliefs
| ||||||
Necessity | 1.56 | 1.00–2.44 | .05 | 2.46 | 1.36–4.42 | <.01 |
Concerns | 0.64 | 0.43–0.97 | .03 | 0.86 | 0.53–1.41 | .55 |