Figure 2. Estimated survival curves displaying the relationship between sleep medication use and incident dementia over 8 years in unadjusted analyses (2A), partially adjusted analyses (2B), and fully adjusted analyses (2C).

Model 1: The model does not include any covariates.

Model 2: The model includes adjustment for demographic factors (age, sex, marital status, and education).

Model 3: The model includes adjustment for Model 2 factors and health conditions.