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Table 4 Hazard ratio (HR) and 95% confidence intervals (CI) for cardiovascular events by social status indicators classes.

From: Social status and cardiovascular disease: a Mediterranean case. Results from the Italian Progetto CUORE cohort study

   ALL NORTH CENTRE-SOUTH
   n p/y HRa (CI 95%) n p/y HRa (CI 95%) n p/y HRa (CI 95%)
MEN Educational level          
  High 132 25739 Ref. 115 21907 Ref. 17 3832 Ref.
  Medium 184 25303 1.06 (0.83;1.35) 141 18793 0.99 (0.76;1.29) 43 6510 1.23 (0.68;2.19)
  Low 381 39743 1.08 (0.84;1.39) 147 12371 1.41 (1.08;1.82) 234 26372 0.80 (0.47;1.34)
  Marital Status          
  Married or cohabitating 627 81590 Ref. 348 46915 Ref. 279 34674 Ref.
  Other living arrangements 86 9341 1.16 (0.91;1.49) 58 6444 1.08 (0.80;1.47) 28 2897 1.27 (0.85;1.88)
WOMEN Educational level          
  High 38 32944 Ref. 27 15721 Ref. 11 17223 Ref.
  Medium 75 35647 1.30 (0.84;2.03) 58 23317 0.96 (0.56-1.64) 17 12330 2.05 (0.96-4.37)
  Low 235 67106 1.24 (0.81;1.90) 74 19065 1.23 (0.72-2.11) 161 48041 1.75 (0.89-3.45)
  Marital Status          
  Married or cohabitating 270 115150 Ref. 130 49214 Ref. 140 65936 Ref.
  Other living arrangements 92 23172 1.18 (0.91;1.52) 35 9495 0.93 (0.62-1.40) 57 13677 1.28 (0.92-1.78)
  1. Men and women 35-69 years old free of previous CVD at baseline (ALL). The population is then stratified by geographical area (NORTH vs. CENTRE-SOUTH of Italy).
  2. n=number of first cardiovascular events. p/y=person-years. Ref.= reference.
  3. a HR for educational levels adjusted for age, systolic blood pressure, total cholesterol, HDL cholesterol, diabetes (yes, no), smoking habits (yes, no), anti hypertensive medication(yes, no). HR for marital status adjusted for age, systolic blood pressure, total cholesterol, HDL cholesterol, diabetes (yes, no), smoking habits (yes, no), anti hypertensive medication (yes, no), education (three levels).