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Fig. 3 | BMC Geriatrics

Fig. 3

From: Sleep duration, genetic susceptibility, and Alzheimer's disease: a longitudinal UK Biobank-based study

Fig. 3

Cox proportional risk model estimating the hazard ratio of AD. Model 1 unadjusted; Model 2 adjusted for age and gender; Model 3 adjusted for terms in Model 2, ethnicity, TDI, and education level; Model 4 adjusted for terms in Model 3 and cardiovascular risk factors including smoking, alcohol use, hypertension, stroke, myocardial infarction, and diabetes. The vertical line indicates the reference value of 1

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