[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"adolescent-smoking\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:adolescent-smoking":42},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":4,"hasResults":10,"nctId":11,"briefTitle":12,"officialTitle":13,"acronym":4,"eligibilityCriteria":14,"healthyVolunteers":15,"sex":16,"minAge":17,"maxAge":18,"enrollmentInfo":19,"targetDuration":4,"studyType":22,"phases":23,"briefSummary":25,"conditions":26,"keywords":4,"overallStatus":30,"whyStopped":4,"lastUpdateSubmitDate":31,"lastUpdatePostDateStruct":32,"startDateStruct":35,"completionDateStruct":37,"leadSponsor":39,"locationsCount":5},"100608228",false,"NCT07198828","Mobile Health (mHealth) Application for Smoking Cessation Among Adolescents in Indonesia","Development and Evaluation of a Mobile Health (mHealth) Application for Smoking Cessation Among Adolescents in Indonesia: A Mixed Methods Randomized Controlled Trial","Inclusion Criteria:\n\n1. Phase 1 (Qualitative Study):\n\n   * Adolescent smokers aged 13-15 years\n   * Smoking at least one cigarette or vaping once per week\n   * Key informants: teachers, parents, peers, healthcare workers with relevant experience\n2. Phase 3 (RCT):\n\n   * Adolescents aged 13-15 years\n   * Smoking at least 1 cigarette in the past week\n   * Own smartphone with internet access\n   * Living in Padang City during study period\n   * Willing to participate until study completion\n   * Desire to quit smoking\n\nExclusion Criteria:\n\nPhase 3 (RCT):\n\n* Currently using other smoking cessation apps or programs\n* Planning to change schools or relocate outside Padang during study period\n* Have severe psychiatric or medical conditions requiring intensive treatment\n* Unable to use smartphone applications due to literacy or technical limitations",true,"ALL","13 Years","15 Years",{"count":20,"type":21},110,"ESTIMATED","INTERVENTIONAL",[24],"NA","This mixed-methods study develops and evaluates a mobile health (mHealth) application for smoking cessation among Indonesian adolescents aged 13-15 years. The study uses a sequential exploratory approach with three phases: (1) qualitative research to inform app design; (2) app development using Rapid Application Development (RAD) model; and (3) a single-blind, two-arm randomized controlled trial comparing the mHealth intervention to paper-based materials. The intervention is grounded in the Unified Theory of Acceptance and Use of Technology (UTAUT2) and Transtheoretical Model (TTM). Primary outcome is smoking abstinence at 1-, 3-, and 6-month follow-ups measured through self-report questionnaires.",[27,28,29],"Tobacco Use Disorder","Smoking Cessation","Adolescent Smoking","NOT_YET_RECRUITING","2026-02-02",{"date":33,"type":34},"2026-02-04","ACTUAL",{"date":36,"type":21},"2026-03-01",{"date":38,"type":21},"2026-08-31",{"name":40,"class":41},"Gadjah Mada University","OTHER",""]