The influence of chronic diseases and poor working conditions in working life expectancy across educational levels among older employees in the Netherlands by Schram JLD, Schuring M, Oude Hengel KM, Burdorf A, Robroek SJW This study contributes to the literature by studying the impact of health problems and unfavorable working conditions on working life expectancy and working years lost across educational levels. The results show that the presence of health problems or unfavorable working conditions, which are more prevalent among workers with a low educational level, contribute substantially to working years lost.