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. Author manuscript; available in PMC: 2015 Jun 14.
Published in final edited form as: Am J Prev Med. 2009 Jul;37(1 0):S9–16. doi: 10.1016/j.amepre.2009.04.016

Figure 3.

Figure 3

Schematic view of repeated measures in successive age cohorts of a hypothetical variable X, in the synthetic cohort from ages 8 to 18 years, Project HeartBeat!, 1991–1995