Aims: To investigate cross-sectional and longitudinal associations between personality and smoking, and test whether sociodemographic factors modify these associations.Design: Cross-sectional and longitudinal individual-participant meta-analysis. Setting: Nine cohort studies from Australia,...

Objective: To quantify the association between long working hours and alcohol use.Design: Systematic review and meta-analysis of published studies and unpublished individual participant data. Data sources: A systematic search of PubMed and Embase databases in April 2014 for published studies,...