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Table 2 Observed and need-standardized incidence of statin treatment among asymptomatic individuals, according to gender, age-group and SEP indicators

From: Is the high-risk strategy to prevent cardiovascular disease equitable? A pharmacoepidemiological cohort study

Gender SEP 40-54 55-64 65-74 75-84
   Need Statin incidenced Need Statin incidence Need Statin incidence Need Statin incidence
  INCOMEa Weightc Observed St.dizede Weight Observed St.dized weight Observed St.dized weight Observed St.dized
Male 1 (Low) 1.00 8.0 8.0 1.00 16.0 16.0 1.00 18.6 18.6 1.00 10.2 10.2
  2 0.90 9.0 10.0 1.01 19.1 18.9 0.96 22.2 23.2 0.81 10.9 13.5
  3 0.91 9.8 10.7 0.90 20.3 22.5 0.89 23.3 26.1 0.85 11.2 13.2
  4 0.82 10.2 12.4 0.80 21.2 26.4 0.79 23.2 29.3 0.77 12.6 16.3
  5 (High) 0.71 10.5 14.9 0.70 21.3 30.5 0.65 23.4 35.8 0.66 15.0 22.8
Female 1 (Low) 1.00 8.3 8.3 1.00 23.5 23.5 1.00 28.2 28.2 1.00 14.1 14.1
  2 0.80 8.3 10.4 0.85 25.2 29.8 0.85 29.4 34.6 0.90 15.3 17.1
  3 0.64 8.4 13.1 0.64 24.7 38.8 0.90 28.8 32.0 1.02 15.6 15.3
  4 0.60 8.5 14.1 0.57 23.1 40.5 0.69 29.2 42.0 0.82 17.7 21.6
  5 (High) 0.49 7.6 15.6 0.31 20.7 67.0 0.44 28.2 63.4 0.64 17.5 27.5
  EDUCATION b             
Male 1 (Basic) 1.00 9.4 9.4 1.00 18.7 18.7 1.00 20.5 20.5 1.00 11.6 11.6
  2 0.81 10.2 12.6 0.89 20.6 23.2 0.97 23.9 24.6 0.94 14.6 15.6
  3 0.59 8.3 14.1 0.75 18.5 24.6 0.82 22.1 27.0 0.76 13.9 18.2
  4 (High) 0.50 8.8 17.8 0.66 19.9 30.2 0.65 23.8 36.7 0.72 15.7 21.8
Female 1 (Basic 1.00 9.9 9.9 1.00 25.6 25.6 1.00 28.9 28.9 1.00 17.3 17.3
  2 0.63 8.8 14.0 0.68 23.8 35.2 0.79 30.0 38.1 0.82 20.2 24.7
  3 0.43 6.0 14.0 0.47 18.7 39.6 0.54 25.2 46.3 0.68 17.2 25.3
  4 (High) 0.34 6.2 18.2 0.38 19.1 50.8 0.53 26.4 50.2 0.65 19.0 29.5
  1. a) Quintiles of disposable family income within gender and 5-years age-groups – inflated average over 1996–2001.
  2. b) Educational levels, cf. notes in Table 1.
  3. c) Incidence Rate Ratio of myocardial infarction (MI-IRR) among asymptomatic individuals, applying lowest SEP group (within gender and age-group) as reference group.
  4. d) Incidence of statin therapy among asymptomatic individuals: 1000*(Number incident statin dispensing/person years at risk).
  5. e) Need-standardized statin incidence (‘St.dized’): Observed statin incidence/MI-IRR.