Lee HE, Kim HR, Chung YK, et al. Mortality rates by occupation in Korea: a nationwide, 13-year follow up study. Occup Environ Med 2016;doi:10.1136/oemed-2015-103192
This letter contains an error in the calendar year of follow-up of the cohort. The correct follow-up period was 1995–2009. The affected text has been corrected to now read:
Mortality was determined by matching death between July 1995 and December 2009 according to a nationwide registry of the Korea National Statistical Office.
The cohort data set was sent to the Korea National Statistical Office (KNSO) for matching deaths between July 1995 and December 2009.