Figure. Rate of decline in global cognitive score for the top and the lowest quintile of intake of green leafy vegetables.

Rate of decline in global cognitive score for the top quintile of intake of green leafy vegetables (median 1.3 servings/d) and the lowest quintile of intake (median 0.09 servings/d) based on mixed models adjusted for age, sex, education, energy intake, participation in cognitive activities, physical activity, smoking, and alcohol consumption in 960 Rush Memory and Aging Project participants, 2004–2014.