Table 4 Associations between adherence (PDC > 80 %*) and socioeconomic factors, cohabitation, duration of treatment and comorbidity, respectively n = 6396**

Gender

 Male

2903/3544 (81.9)

1

1

 Female

2372/2852 (83.2)

1.08 (0.95–1.23)

0.243

1.13 (0.98–1.29)

0.089

Age (years)

 20–39

47/70 (32.9)

1

1

 40–59

1429/1781 (80.2)

1.99 (1.19–3.32)

0.009

2.20 (1.28–3.78)

0.004

 60–79

3804/4545 (83.7)

2.51 (1.51–4.16)

<0.001

2.61 (1.52–4.47)

<0.001

Income

 Low (1st quartile)

807/957 (84.3)

1

1

 Medium (2nd + 3rd quartile)

2916/3504 (83.2)

0.92 (0.75–1.12)

0.414

0.93 (0.76–1.15)

0.508

 High (4th quartile)

1555/1933 (80.4)

0.76 (0.62–0.94)

0.011

0.82 (0.65–1.04)

0.098

Highest attained educational level (years)

  < 10

1474/1757 (83.9)

1

1

 10–12

2470/2992 (82.6)

0.91 (0.78–1.06)

0.235

0.93 (0.79–1.10)

0.405

  > 12

1256/1551 (81.0)

0.82 (0.68–0.98)

0.028

0.85 (0.71–1.02)

0.088

Cohabitation status

 Single

1157/1399 (82.7)

1

1

 Married/cohabiting

4121/4995 (82.5)

0.99 (0.84–1.15)

0.862

1.01 (0.86–1.19)

0.901

Labour market status****

 Working

2054/2574 (79.8)

1

1

 Retirement pension

2700/3193 (84.6)

1.37 (1.21–1.59)

<0.001

1.32 (1.14–1.52)

<0.001

 Not in the workforce

526/629 (83.6)

1.29 (1.03–1.63)

0.030

1.25 (0.99–1.59)

0.064

Duration of statin treatment

  < 1 year

456/539 (84.6)

1

 1–2 years

447/547 (81.7)

0.81 (0.59–1.12)

0.205

0.82 (0.59–1.14)

0.244

 2–5 years

2490/3089 (80.6)

0.76 (0.59–0.97)

0.029

0.74 (0.57–0.96)

0.024

 5–10 years

1290/1526 (84.5)

0.99 (0.76–1.31)

0.971

0.95 (0.72–1.27)

0.741

  > 10 years

597/695 (85.9)

1.12 (0.81–1.52)

0.523

1.02 (0.73–1.41)

0.924

Comorbidity

 CVD

 No CVD

4366/5340 (81.8)

1

1

 CVD

914/1056 (86.6)

1.43 (1.19–1.74)

<0.001

1.36 (1.11–1.67)

0.003

Charlson

 None

2858/3593 (81.8)

1

1

 1

1240/1491 (83.2)

1.10 (0.93–1.29)

0.256

1.00 (0.84–1.18)

0.984

  ≥ 2

1089/1289 (84.5)

1.21 (1.02–1.44)

0.032

1.07 (0.89–1.28)

0.464