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. 2016 May 24;124(12):1905–1912. doi: 10.1289/EHP181

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The association between first-trimester O₃ and right CIMT by (A) rs16999714 and (B) rs6579038 genotypes. In A, a 44-ppb increase in O₃ was associated with a –0.06-mm lower right CIMT (95% CI: –0.08, –0.04) in participants with the rs16999714 GG genotype (n = 14), a –0.02-mm lower right CIMT (95% CI: –0.03, 0.002) for participants with the GA genotype (n = 92), and a 0.005-mm higher right CIMT (95% CI: –0.006, 0.02) for participants with the AA genotype (n = 282). In B, a 44-ppb increase in O₃ was associated with a 6.43-mmHg higher SBP (95% CI: –6.36, 19.21) in participants with the rs6579038 CT genotype (n = 25) and a 1.12-mmHg lower SBP (95% CI: –2.86, 0.61) in participants with the TT genotype (n = 364). There was no regression line for CC genotype, given that only one participant had this genotype.