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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

From: Neighborhood socioeconomic characteristics and statin medication in patients with myocardial infarction: a Swedish nationwide follow-up study

  Model 1 Model 2 Model 3
  OR 95 % CI OR 95 % CI OR 95 % CI  
Neighborhood-level socioeconomic status (SES, ref. High)
 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
Family income (ref. High income)
 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
Marital status (ref. Married/co-habiting)
 Never married, widowed, or divorced        0.61 0.58 0.63 <0.001
Country of origin (ref. Born in Sweden)
 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
Educational attainment (ref. > 12 years)
  ≤ 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.) 0.082 (0.011) 0.067 (0.011) 0.053 (0.011)  
Explained variance (%) 6 23 39  
Intra class correlation 0.024 0.020 0.016  
  1. Model 1. Crude model; Model 2: Adjusted for age and sex; Model 3: Adjusted for age, sex, and individual socioeconomic variables