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. 2022 Feb 9;130(2):027005. doi: 10.1289/EHP9563

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Figure 1 is a graph, plotting age group (years) ranging from 78 and 81 plus, 72, to 60 and 66 in decrements of 6 (y-axis) across years (calendar) ranging from 2001 to 2016 in increments of 3 (x-axis) for uppercase b equals baseline, uppercase f 1 equals first, uppercase f 2 equals second, uppercase f 3 equals third, and uppercase f 4 equals fourth follow-up. — The SNAC-K study design.