[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100652035":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":46,"centralContacts":51,"locations":57,"responsibleParty":73,"collaborators":76,"id":80,"slug":81,"hasResults":82,"nctId":83,"briefTitle":84,"officialTitle":85,"acronym":25,"eligibilityCriteria":86,"healthyVolunteers":87,"sex":88,"minAge":89,"maxAge":90,"enrollmentInfo":91,"targetDuration":25,"studyType":94,"phases":95,"briefSummary":97,"conditions":98,"keywords":25,"overallStatus":102,"whyStopped":25,"lastUpdateSubmitDate":103,"lastUpdatePostDateStruct":104,"startDateStruct":107,"completionDateStruct":109,"leadSponsor":111,"locationsCount":112},{"fullName":5,"class":6},"Stanford University","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Experimental: Counter-marketing food messages","EXPERIMENTAL","Participants view 26 messages. Messages cover five counter-marketing topics: (1) lying about unhealthy products being healthy, (2) engineering foods to be addictive, (3) covering up evidence about the harms of consuming unhealthy products, (4) targeting groups, (5) piggybacking on social causes to promote products. Each topic is presented in five framing variants: an unframed version and four values-based frames that connect the message to a value (e.g., authenticity, fairness). Participants also view one control message, for a total of 26 messages (5 topics × 5 framing variants, plus 1 control).\n\nTopic order is randomized across participants; within each topic, the five framing variants are presented consecutively in random order.",[13,14,15,16,17,18],"Behavioral: Lying about unhealthy foods being healthy","Behavioral: Engineering foods to be addictive","Behavioral: Targeting groups","Behavioral: Piggybacking on social causes","Behavioral: Covering up the evidence about the harms of unhealthy foods","Behavioral: Control",[20,26,30,34,38,42],{"type":21,"name":22,"description":23,"armGroupLabels":24,"otherNames":25},"BEHAVIORAL","Lying about unhealthy foods being healthy","Participants will view 5 messages about how food companies promote unhealthy foods as healthy.",[9],null,{"type":21,"name":27,"description":28,"armGroupLabels":29,"otherNames":25},"Engineering foods to be addictive","Participants will view 5 messages about how food companies engineer foods to be addictive.",[9],{"type":21,"name":31,"description":32,"armGroupLabels":33,"otherNames":25},"Targeting groups","Participants will view 5 messages about how food companies target some groups to sell their unhealthy products.",[9],{"type":21,"name":35,"description":36,"armGroupLabels":37,"otherNames":25},"Piggybacking on social causes","Participants will view 5 messages about how food companies promote their unhealthy products by piggybacking on popular social causes.",[9],{"type":21,"name":39,"description":40,"armGroupLabels":41,"otherNames":25},"Covering up the evidence about the harms of unhealthy foods","Participants will view 5 messages about how food companies cover up evidence about the harms of their unhealthy products.",[9],{"type":21,"name":43,"description":44,"armGroupLabels":45,"otherNames":25},"Control","Participants will view 1 control message about fire safety.",[9],[47],{"name":48,"affiliation":49,"role":50},"Anna H. Grummon","Stanford School of Medicine","PRINCIPAL_INVESTIGATOR",[52],{"name":53,"role":54,"phone":55,"phoneExt":25,"email":56},"Amanda Food Policy Lab Study Team","CONTACT","408-598-2672","foodpolicylab@stanford.edu",[58],{"facility":49,"status":25,"city":59,"state":60,"zip":61,"country":62,"countryCode":63,"cosmosGeoPoint":64,"geoPoint":69,"contacts":70},"Palo Alto","California","94304","United States","US",{"type":65,"coordinates":66},"Point",[67,68],-122.14302,37.44188,{"lat":68,"lon":67},[71],{"name":72,"role":54,"phone":55,"phoneExt":25,"email":56},"Amanda Zeitlin",{"type":50,"investigatorFullName":74,"investigatorTitle":75,"investigatorAffiliation":5,"oldNameTitle":25,"oldOrganization":25},"Anna Grummon","Assistant Professor",[77],{"name":78,"class":79},"National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)","NIH","100652035","young-adult-food-messaging-experiment-100652035",false,"NCT07768462","Young Adult Food Messaging Experiment","An Experiment Evaluating the Effectiveness of Counter-marketing Food Messages Among Young Adults","Inclusion Criteria:\n\n* Age between 18-29 years\n* Reside in the United States\n* Consume at least 5-6 servings per week of sugary drinks and 5-6 servings per week of sweet and salty snacks\n\nExclusion Criteria:\n\n* Younger than 18 or older than 29 years\n* Reside outside of the United States\n* Consume less than 5-6 servings per week of sugary drinks or less than 5-6 servings per week of sweet and salty snacks",true,"ALL","18 Years","29 Years",{"count":92,"type":93},645,"ESTIMATED","INTERVENTIONAL",[96],"NA","The primary objective of this study is to identify the food counter-marketing messages (i.e., messages that describe deceptive marketing tactics used by food companies) that are perceived as most effective among young adults.",[99,100,101],"Diet Quality","Young Adult Health","Communication","NOT_YET_RECRUITING","2026-08-14",{"date":105,"type":106},"2026-08-17","ACTUAL",{"date":108,"type":93},"2027-01-08",{"date":110,"type":93},"2027-01-16",{"name":5,"class":6},1]