NavGeneral InfoEmail Print Original or alternative title Nuorten terveystapatutkimus (NTTT) Geography Finland (FIN) Coverage type Country Time period covered 01/1991 - 12/1991 Series or system Finland Adolescent Health and Lifestyle Survey Data type Survey: Cross-sectionalNationally representative Keywords Tobacco use Citation Contributors University of Tampere Suggested citation University of Tampere. Finland Adolescent Health and Lifestyle Survey 1991. GHDx Entry last modified on: Nov 6, 2018