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. 2013 Jan 30;8(1):e54707. doi: 10.1371/journal.pone.0054707

Figure 1. Schematic illustration of logistic regression analyses of cognitive development after age 20.1 years.

Figure 1

Schematic illustration of logistic regression analyses comparing men who remained in the top, middle and bottom thirds (panels A and B) and who declined from the top and middle thirds in cognitive ability after age 20.1 years (panels C and D).