Economic Circumstances in Childhood and Subsequent Substance Use in Adolescence – A Latent Class Analysis: The youth@hordaland Study Jens Christoffer Skogen, Børge Sivertsen, Mari Hysing, Ove Heradstveit, Tormod Bøe January 2019 PDF Cite DOI adolescence alcohol use substance use economic circumstances economic volatility relative poverty Related Psychometric Properties and Concurrent Validity of the Crafft among Norwegian Adolescents. Ung@hordaland, a Population-Based Study Moving into poverty during childhood is associated with later sleep problems Economic volatility in childhood and subsequent adolescent mental health problems: a longitudinal population-based study of adolescents Adolescent School Absenteeism and Service Use in a Population-Based Study Sleep and School Attendance in Adolescence: Results from a Large Population-Based Study.