nominally significantp < 2.10e − 07
All CpG sites, except one site (cg21161138) near AHRR , remained nominally significant (3.17 <| z |< 5.19, 1.52e − 03 < p < 2.10e − 07) with the same direction of association in the sensitivity analysis adjusted for smoking (Additional file 1: Table S1 and Fig.