food frequency questionnaire / food diary / beverage types / alcoholic beverage / separate beverage types / beverage type / last alcoholic beverage / assessed using a food diary / /
NaturalFeature
Dale CE / /
Organization
London School of Hygiene and Tropical Medicine / Institute of Education / Department of Health / University of London / Centre for Longitudinal Studies / /
Additional file 1 Harmonising alcohol data in the nine participating cohorts Below is a summary of how information on alcohol consumption was collected and derived in each cohort. We also highlight decisions made to maxi