Fig. 1.

Predicted probability of concordance in prevalent dementia by race (A), education (B), and gender (C) (N = 31,186). Predicted probabilities of each concordance category are based on estimates from multinomial logistic regression, adjusting for sex, age group, race, education, marital status, survival in two years, doctor visit during the past two years, and a linear time trend; error bars show 95% confidence intervals of predictions. Black dots indicate statistical difference between a probability and that for whites, less than high school education, or male, at a significance level of 0.05. The number of observations in regression reduced from 31,186 to 31,117 due to missing values in covariates.