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Dementia and Cognitive Impairment but not Demented Incidence Rates (per 1,000/y) by Waist Circumference Tertile and Body Mass Index (BMI) Category
| Number of cases | Person—years at risk | Incidence rate (95% confidence interval) | |
| Waist tertile | |||
| Low | 30 | 2,439.1 | 12.3 (7.9–16.7) |
| Middle | 50 | 2,864.2 | 17.5 (12.6–22.3) |
| High | 30 | 2,234.4 | 13.4 (8.6–18.2) |
| BMI category (kg/m2) | |||
| <25.0 | 27 | 1,381.5 | 19.5 (12.2–26.9) |
| 25.0–29.9 | 42 | 2,967.8 | 14.2 (9.9–18.4) |
| ≥30 | 41 | 3,188.4 | 12.9 (8.9–16.8) |
