Trends in adolescent mental health during economic upturns and downturns : a multilevel analysis of Swedish data 1988-2008
BACKGROUND: A long-term trend of increasing mental health problems among adolescents in many Western countries indicates a great need to investigate if and how societal changes have contributed to the reported increase. Using seven waves of repeated cross-sectional data collected between 1988 and 2008 in Sweden, the current study examined if economic factors at the societal level (municipality une