Table 3. Adjusted IRRs and 95% CIs for the association between the death of a child and the risk of IHD in stratified analyses.
| Subgroups | IHD | AMI | ||||
|---|---|---|---|---|---|---|
| Rate/per 105 person-years | Multivariate IRR (95% CI) | P * | Rate/per 105 person-years | Multivariate IRR (95% CI) | P * | |
| Sex † | ||||||
| Men | 344.6 | 1.15 (1.11–1.18) | 184.1 | 1.14 (1.09–1.18) | ||
| Women | 121.2 | 1.31 (1.26–1.36) | <0.001 | 45.0 | 1.36 (1.28–1.45) | <0.001 |
| Country | ||||||
| Denmark | 249.7 | 1.12 (1.09–1.16) | 106.9 | 1.17 (1.12–1.22) | ||
| Sweden | 204.8 | 1.23 (1.18–1.27) | <0.001 | 112.6 | 1.24 (1.18–1.30) | <0.001 |
| Age ‡ | ||||||
| <50 years | 51.9 | 1.53 (1.42–1.65) | 23.7 | 1.53 (1.36–1.71) | ||
| ≥50 years | 455.4 | 1.19 (1.16–1.22) | <0.001 | 222.4 | 1.19 (1.15–1.23) | <0.001 |
| Education ⁋ | ||||||
| ≤9 years | 316.1 | 1.22 (1.18–1.26) | 159.3 | 1.21 (1.15–1.27) | ||
| 10–14 | 199.2 | 1.19 (1.14–1.23) | 0.979 | 98.2 | 1.20 (1.14–1.26) | 0.801 |
| ≥15 years | 164.9 | 1.17 (1.08–1.27) | 0.666 | 71.0 | 1.20 (1.06–1.34) | 0.549 |
IRR = incidence rate ratio; CI = confidence intervals; CVD = cardiovascular disease.
* P-values are for the interaction terms between the exposure category and the effect modifier.
† Adjusted for age at follow-up, calendar year at follow-up, country of birth, educational attainment, history of psychiatric disorders and of cardiovascular diseases at baseline.
‡ Adjusted for sex, age at follow-up, calendar year at follow-up, country of birth, educational attainment, history of psychiatric disorders and of cardiovascular diseases at baseline.
⁋ Adjusted for sex, age at follow-up, calendar year at follow-up, country of birth, history of psychiatric disorders and of cardiovascular diseases at baseline.