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Non-Steroidal Anti-Inflammatory Drugs
Washington Heights-Inwood Columbia Aging Project
Method of BMI ascertainment: technician measurement
"BMI was calculated as weight in kilograms divided by height in meters-squared (kg/m2). With the participant standing, body weight was measured to the nearest 0.1kg with a balance scale, and height was measured without shoes to the nearest 0.5cm."
"We did not use National Heart Blood and Lung Institute criteria for BMI because its value in the elderly is questionable."
The BMI was measured in participants who were at least 65 years of age. Even though the authors repeated the analyses adjusting for different sets of covariates, we have given the results adjusting for age, gender, race, education and ApoE status only, and not analyses adjusting for potential intermediates such as DM.
Study entry criteria required all participants to be at least 65 years of age at study entry (between 1992-1994).
Screening and Diagnosis Detail
Clinical Dementia Rating (Berg 1988)
Diagnostic and Statistical Manual IV
National Institute of Neurological and Communicative Diseases and Stroke/Alzheimer's Disease and Related Disorders Association Criteria (McKhann 1984)
Total Dementia Definition:
Dementia via DSM IV clinical criteria and CDR>1
Covariates & Analysis Detail
Cox proportional hazards regression
"Proportional hazards models were used in multivariate analyses. The time-to-event variable was time from BMI or WC measurement to incident dementia; individuals who did not develop dementia were censored at last follow-up. For analyses with weight change, the time-to-event variable was time from the second weight measurement to dementia onset. Individuals who developed dementia other than the one of interest were censored at diagnosis."
APOE e4 genotype
APOE e4 genotype