Table 3 Odds ratios (OR) and 95 % confidence intervals (CI) for statin medication in patients with myocardial infarction; Results of multi-level logistic regression models

 Middle

0.90

0.86

0.95

0.94

0.89

0.99

1.07

1.01

1.13

0.016

 Low

0.80

0.75

0.86

0.80

0.75

0.86

1.03

0.96

1.10

0.368

Age (years)

0.95

0.95

0.95

0.96

0.96

0.96

<0.001

Sex (ref. Female)

1.39

1.33

1.44

1.23

1.19

1.29

<0.001

 Low income

0.49

0.46

0.52

<0.001

 Middle-low income

0.62

0.58

0.65

<0.001

 Milddle-high income

0.83

0.78

0.89

<0.001

 Never married, widowed, or divorced

0.61

0.58

0.63

<0.001

 Finland

1.02

0.93

1.12

0.689

 Western countries

1.07

0.89

1.27

0.484

 Eastern European countries

1.33

1.14

1.55

<0.001

 Middle eastern countries

1.33

1.13

1.56

<0.001

 Others

0.92

0.84

1.00

0.046

  ≤ 9 years

0.89

0.84

0.94

<0.001

 10–12 years

1.13

1.06

1.21

<0.001

Urban/rural status (ref. large cities)

 Southern Sweden

1.30

1.24

1.37

<0.001

 Northern Sweden

1.02

0.97

1.08

0.424

Variance (S.E.)

Explained variance (%)

Intra class correlation