
Recode household income (UKB 738) into readable categories (2 categories)
leo_household_income_2.RdThe five levels of the average total before-tax household income were classified as “less than” or “equal to or above” £31,000, which is closest to the UK median household income in October 2009 (£27,530)
Reference: Air Pollution, Genetic Factors, and the Risk of Lung Cancer A Prospective Study in the UK Biobank