Smoking remains associated with education after controlling for social background and genetic factors in a study of 18 twin cohorts

Silventoinen K, Piirtola M, Jelenkovic A, Sund R, Tarnoki A D, Tarnoki D L, Medda E, Nistico L, Toccaceli V, Honda C, Inui F, Tomizawa R, Watanabe M, Sakai N, Gatz M, Butler D A, Lee J, Lee Soo Ji, Sung J, Franz C E, Kremen W S, Lyons M J, Derom C A. Smoking remains associated with education after controlling for social background and genetic factors in a study of 18 twin cohorts. Scientific Reports 2022;12:13148. doi: 10.1038/s41598-022-17536-x.