The Tobacco & E-Cigarette Survey Among Malaysian Adolescent (TECMA) 2016 Is A Nationally Representative Study Which Has Been Carried Out To Obtain The Latest Information On Tobacco And E-cigarette/vape Usage Among Malaysian Adolescents As There Is No National Study On This Subject. The Objectives Of This Study Were To Determine E-cigarette/vape Usage, To Assess Student Related Knowledge And Behaviour Towards E-cigarette/vape Usage And To Determine The Prevalence Of Dual Users (tobacco And E-cigarette/vape Users) Among Malaysian Adolescents. A Two-stage Stratified Cluster Sampling Design Was Used For This Survey To Produce A Nationally Representative Data. The Target Population Were School Going Adolescents. A Total Of 14,833 Students From 138 Schools From 15 States Were Selected. A Self-administered Questionnaire Was Used As A Tool For This Survey.