Table 4.
Association of sex-standardized log-leptin with incident all-cause dementia and incident Alzheimer’s disease, adjusted for age and sex only, stratified by sex-specific quartiles of Waist Hip Ratio and by obese (BMI ≥30 kg/m2) or non-obese status.
All-cause Dementia | Alzheimer’s Disease | |||||
---|---|---|---|---|---|---|
Hazard Ratio | Hazard Ratio | |||||
Model | Cases/N | (95% CI) | P | Cases/N | (95% CI) | P |
Q1–Q3 Waist Hip Ratio | 79/586 | 0.57 [0.45–0.73] | <0.001 | 70/586 | 0.53 [0.41–0.69] | <0.001 |
Q4 Waist Hip Ratio | 31/195 | 0.92 [0.60–1.40] | 0.685 | 19/195 | 0.77 [0.45–1.32] | 0.337 |
BMI < 30 kg/m2 | 95/561 | 0.69 [0.55–0.87] | 0.002 | 79/561 | 0.63 [0.49–0.81] | 0.001 |
BMI ≥30 kg/m2 | 16/221 | 1.87 [0.86–4.06] | 0.113 | 10/221 | 0.74 [0.28–1.97] | 0.547 |
Hazard ratios are per one-SD increment in sex-standardized log-leptin.