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Table 1 Patient characteristics: overall and stratified by disease

From: Differences in medication adherence are associated with beliefs about medicines in asthma and COPD

  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
  1. Group differences were analysed using χ2 or t tests
  2. CAT COPD assessment test, ACQ Asthma Control Questionnaire, SF-12 PCS Physical Component Scale, SF-12 MCS Mental Component Scale, GSE Generalized Self-Efficacy Scale, HADS Hospital Anxiety and Depression Scale, BMQ Beliefs about Medicines-Questionnaire