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. Author manuscript; available in PMC: 2014 Oct 1.
Published in final edited form as: Free Radic Biol Med. 2013 May 17;63:304–312. doi: 10.1016/j.freeradbiomed.2013.05.016

Figure 3.

Figure 3

Estimated rates of change in FEV1/FVC (% per year) according to smoking status during follow-up and IDH3B rs6115381 genotype for African American participants in the Health ABC study. Open bars represent the CC/CG genotypes and shaded bars represent the GG genotype. The estimates were computed from the linear mixed effects model that was adjusted for all covariates and included the SNP × smoking status × time product term (P = 4.60 × 10−4 following a recessive genetic effect model). CI = confidence interval.