Table 2.
Risk of parental sudden cardiac death, socioeconomic factors, own heart disease, and health behaviours for sudden cardiac arrest.
| Case/Control | Odds ratio (95% CI) | ||
|---|---|---|---|
| Unadjusted | Adjusted* | ||
| Parental history of sudden cardiac death | |||
| No | 884/923 | Reference | Reference |
| Yes | 64/25 | 2.69 (1.68–4.31) | 2.51 (1.48–4.28) |
| Medical aid | |||
| No | 878/909 | Reference | Reference |
| Yes | 70/39 | 1.88 (1.25–2.82) | 1.37 (0.85–2.20) |
| Low education (≤high school) | |||
| No | 243/375 | Reference | Reference |
| Yes | 705/573 | 2.20 (1.77–2.74) | 1.76 (1.38–2.25) |
| Heart disease | |||
| No heart disease | 738/887 | Reference | Reference |
| Non-coronary artery disease | 99/30 | 4.42 (2.93–6.68) | 3.77 (2.38–5.98) |
| Coronary artery disease | 111/31 | 4.00 (2.63–6.10) | 4.47 (2.84–7.03) |
| Current smoking | |||
| No | 384/435 | Reference | Reference |
| Yes | 564/513 | 1.39 (1.11–1.74) | 1.39 (1.08–1.79) |
| Non-regular exercise | |||
| No | 263/593 | Reference | Reference |
| Yes | 685/355 | 4.59 (3.76–5.60) | 4.06 (3.29–5.02) |
CI confidence interval.
*Adjusted for diabetes, hypertension, dyslipidaemia, and stroke.