protocolSection identificationModule nctId: NCT06366438, orgStudyIdInfo id: ABC vs Parentweb, briefTitle: A Trial of Two Universal Programs for Parents of Teenagers, statusModule overallStatus: COMPLETED, startDateStruct date: 2021-12-11, primaryCompletionDateStruct date: 2024-01-15, completionDateStruct date: 2024-03-24, studyFirstPostDateStruct date: 2024-04-15, lastUpdatePostDateStruct date: 2024-04-22, sponsorCollaboratorsModule leadSponsor name: Karolinska Institutet, class: OTHER, descriptionModule briefSummary: Parent training programs in groups and over internet can help parents improve their interaction and communication with their children. There is however a lack knowledge of how programs work for parents of teenagers, as most studies have concerned younger children. Furthermore, most studies have been conducted on programs for selective populations with elevated risk. The aim of this study was to investigate the effectiveness of two universal preventive parenting programs for teenagers: The group-based program 'ABC-teen' and the online-based 'ParentWeb'. Both programs aim to strengthen the parent-adolescent relationship and reduce negative communication. The programs are developed in Sweden with content based on other established parenting programs (e.g., Comet, Incredible Years, the Triple P). The aim of the present study was to evaluate the effects of the the two programs, with adolescent mental health as primary outcome. Several secondary outcome measures concerning parenting and parent-adolescent relationship were also collected. Parents were randomized to ABC-teen, ParentWeb or a 6 months Wait-List control. Parent- and adolescent ratings were collected at baseline, after 4 and after 12 months. All data collection has now been completed and the next step is to process and analyze the data., conditionsModule conditions: Mental Health Issue, conditions: Mental Disorder, conditions: Adolescent Behavior, conditions: Adolescent Development, conditions: Parent-Child Relations, conditions: Parenting, designModule studyType: INTERVENTIONAL, phases: NA, designInfo allocation: RANDOMIZED, interventionModel: PARALLEL, interventionModelDescription: Participants are randomized to one of the three arms upon allocation., primaryPurpose: PREVENTION, maskingInfo masking: NONE, enrollmentInfo count: 1247, type: ACTUAL, armsInterventionsModule interventions name: ABC-teen, interventions name: ParentWeb, outcomesModule primaryOutcomes measure: The Strength and Difficulties Questionnaire (SDQ), primaryOutcomes measure: Patient Health Questionnaire (PHQ-9), primaryOutcomes measure: Parental stress scale (PSS), primaryOutcomes measure: General Anxiety Disorder Scale (GAD-7), secondaryOutcomes measure: Conflict scale, secondaryOutcomes measure: Adult Child Relationship Scale (ACRS), secondaryOutcomes measure: Adolescents' openness scale, secondaryOutcomes measure: Brief Family Relationship Scale, secondaryOutcomes measure: Positive and Negative Parenting Behaviors, secondaryOutcomes measure: Me as a Parent, secondaryOutcomes measure: Conflict Resolution Efficacy, secondaryOutcomes measure: School Adjustment Scale, secondaryOutcomes measure: Stockholmsenkaten, secondaryOutcomes measure: Satisfaction Questionnaire, secondaryOutcomes measure: Attendance and engagement measures, otherOutcomes measure: Demographics, otherOutcomes measure: Organizational and therapist factors, eligibilityModule sex: ALL, minimumAge: 13 Years, maximumAge: 19 Years, stdAges: CHILD, stdAges: ADULT, contactsLocationsModule locations facility: Bromma stadsdel, city: Bromma, zip: 16867, country: Sweden, geoPoint lat: 59.34, lon: 17.94, locations facility: Danderyd kommun, city: Danderyd, zip: 18231, 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