Skip to main content

Table 3 Adjusted incidence rate ratios for atrial fibrillation according to exposure to a bereavement in adulthood

From: Bereavement in childhood and young adulthood and the risk of atrial fibrillation: a population-based cohort study from Denmark and Sweden

Exposure

Death of a parent or a sibling

Death of a parent

Death of a siblinga

Events/person-years

Model 1 IRR (95% CI)b

Model 2 IRR (95% CI)c

Events/person-years

Model 2 IRR (95% CI)c

Events/person-years

Model 2 IRR (95% CI)c

Unexposed

7158/127,901,121

1.00

1.00

7356/129,284,682

1.00

7919/126,530,901

1.00

Any loss in adulthood

950/2,801,341

1.26 (1.17–1.35)

1.24 (1.16–1.33)

894/2,617,274

1.23 (1.14–1.32)

116/346,867

1.22 (1.01–1.46)

Cause of deathd

 Death due to CVD

244/588,453

1.54 (1.35–1.75)

1.52 (1.34–1.74)

243/589,926

1.50 (1.32–1.71)

17/29,595

1.93 (1.20–3.11)

 Other natural deaths

557/1,791,782

1.17 (1.07–1.28)

1.15 (1.06–1.26)

568/1,748,276

1.15 (1.05–1.26)

39/135,859

1.00 (0.73–1.36)

 Unnatural death

122/400,240

1.25 (1.04–1.50)

1.24 (1.03–1.48)

78/260,991

1.20 (0.96–1.50)

57/177,268

1.23 (0.95–1.60)

Age of offspring at the time of loss (in years)

 19–25

389/1,406,237

1.30 (1.17–1.44)

1.28 (1.15–1.42)

349/1,280,672

1.25 (1.12–1.39)

50/188,884

1.21 (0.92–1.61)

 26–30

252/739,687

1.21 (1.06–1.37)

1.19 (1.05–1.35)

243/699,174

1.20 (1.05–1.37)

30/85,628

1.19 (0.83–1.70)

 > 30

309/655,418

1.25 (1.11–1.42)

1.24 (1.10–1.39)

302/637,428

1.23 (1.09–1.39)

36/72,355

1.24 (0.89–1.73)

Sex of the deceased parent

 Mother

NA

NA

NA

296/856,798

1.24 (1.10–1.40)

NA

NA

 Father

NA

NA

NA

598/1,760,476

1.22 (1.12–1.33)

NA

NA

  1. IRR incidence rate ratio, CI confidence intervals, CVD cardiovascular diseases
  2. aOffsprings without any sibling at birth were excluded
  3. bAdjusted for time since birth and calendar year
  4. cAdjusted for time since birth, calendar year, country, maternal age at offspring’s birth, and the parents’ country of origin, highest education, and history of psychiatric disorders
  5. dOffsprings with missing data on this type of exposure were excluded