Skip to main content
. Author manuscript; available in PMC: 2010 Dec 16.
Published in final edited form as: JAMA. 2009 Dec 16;302(23):2565–2572. doi: 10.1001/jama.2009.1836

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.