Department of Occupational and Environmental Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

Correspondence to Mo-Yeol, Kang, MD, PhD, Associate Professor, Department of Occupational and Environmental Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea. Tel: +82 2 2258 6264; fax: +82 2 2258 6691; mobile: +82 10 8203 1136; e-mail: [email protected]

Abbreviations: As, arsenic; Cd, cadmium; CS2, carbon disulfide; DCS, demand–control support; ERI, effort–reward imbalance; Hg, mercury; OR, odds ratio; Pb, lead

Received 11 March, 2022

Revised 1 June, 2022

Accepted 9 June, 2022