Table 2.
Risk factors prevalence and their calculated weighted PAF.
| RR for dementia | Overall prevalence calculated | CI 95% | Communality | PAF | Weighted PAF | |
|---|---|---|---|---|---|---|
| Less education | 1.6 (1.3–2) | 51.1% | 47.7–55 | 59.3% | 23.5% | 9.5% |
| Hearing loss | 1.9 (1.4–2.7) | 29.4% | 28–31 | 32.0% | 20.9% | 14.2% |
| Hypertension | 1.6 (1.2–2.2) | 52.0% | 50.1–54 | 56.4% | 23.8% | 10.4% |
| Alcohol (>21 units/week) | 1.2 (1.1–1.3) | 4.3% | 3.5–5 | 73.5% | 0.9% | 0.2% |
| Obesity | 1.6 (1.3–1.9) | 29.2% | 27.9–31 | 57.6% | 14.9% | 6.3% |
| Smoking | 1.6 (1.2–2.2) | 17.1% | 15.6–19 | 68.6% | 9.3% | 2.9% |
| Depression | 1.9 (1.6–2.3) | 18.1% | 16.5–20 | 51.1% | 14.1% | 6.9% |
| Low social contact | 1.6 (1.3–1.9) | 5.1% | 4.4–6 | 49.1% | 3.0% | 1.5% |
| Physical inactivity | 1.4 (1.2–1.7) | 47.2% | 44–50 | 29.0% | 15.9% | 11.3% |
| Diabetes | 1.5 (1.3–1.8) | 15.7% | 14.5–17 | 50.2% | 7.2% | 3.6% |
| Overall Weighted PAF | 50.5% | |||||