APOE and Cognitive impairment: While overall cognitive impairments were not any more common in more deprived areas, in an ordinal logistic mixed model age- and APOE-adjusted CDR scores were significantly more severe in the fourth (Odds Ratio (95% CI) = 1.89 (1.08 – 3.34)) and fifth (Odds Ratio (95% CI) = 1.96 (1.06 – 3.62)) deprivation strata than in the first.