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Table 2 Relative risk of ischemic heart disease first event and mortality comparing partnered to unpartnered women

From: Marital status and ischemic heart disease incidence and mortality in women: a large prospective study

  First IHD event IHD mortality Subdivisions of first IHD event Survival
  IHD hospital admission or IHD death All IHD deaths IHD death with no prior hospital admission IHD hospital admission IHD death after hospital admission
Population at risk (n) 734,626 734,626 734,626 734,626 29,282
Cases (n) 30,747 2,148 1,465 29,282 683
  RR (95% CI) RR (95% CI) RR (95% CI) RR (95% CI) RR (95% CI)
Adjusted for age and region only 0.88 (0.85 to 0.90) 0.55 (0.51 to 0.61) 0.53 (0.47 to 0.59) 0.90 (0.88 to 0.93) 0.61 (0.52 to 0.72)
Additionally adjusted only for socio-economic factors a 0.91 (0.89 to 0.94) 0.59 (0.54 to 0.65) 0.57 (0.51 to 0.64) 0.94 (0.91 to 0.96) 0.63 (0.54 to 0.75)
Additionally adjusted only for lifestyle factors b 0.96 (0.94 to 0.99) 0.68 (0.62 to 0.74) 0.65 (0.58 to 0.72) 0.99 (0.96 to 1.02) 0.70 (0.59 to 0.82)
Additionally adjusted only for other factors c 0.88 (0.86 to 0.91) 0.56 (0.51 to 0.62) 0.54 (0.49 to 0.61) 0.91 (0.88 to 0.93) 0.62 (0.53 to 0.74)
Adjusted for all the above d 0.99 (0.96 to 1.02) 0.72 (0.66 to 0.80) 0.70 (0.62 to 0.78) 1.01 (0.98 to 1.04) 0.72 (0.60 to 0.85)
  1. aadjusted for age, region, area deprivation, age left school, highest educational qualification.
  2. badjusted for age, region, smoking, alcohol intake, strenuous exercise, body mass index, hormone replacement therapy use, sleep duration.
  3. cadjusted for age, region, happiness, treatment for depression, parity, employment, participation in group activities.
  4. dfully adjusted for age, region, area deprivation, age left school, highest educational qualification, smoking, alcohol intake, strenuous exercise, body mass index, hormone replacement therapy use, sleep duration, happiness, treatment for depression, parity, employment, participation in group activities.
  5. CI, confidence interval; IHD, ischemic heart disease; RR, relative risk.