{"doi":"10.17615/4d65-dc58","title":"Validation of a Brief Questionnaire Against Direct Observation to Assess Adolescents' School Lunchtime Beverage Consumption","abstract":"Beverage consumption is an important determinant of youth health outcomes. Beverage interventions often occur in schools, yet no brief validated questionnaires exist to assess whether these efforts improve in-school beverage consumption. This study validated a brief questionnaire to assess beverage consumption during school lunch.Researchers observed middle school students' (n = 25) beverage consumption during school lunchtime using a standardized tool. After lunch, students completed questionnaires regarding their lunchtime beverage consumption. Kappa statistics compared self-reported with observed beverage consumption across 15 beverage categories.Eight beverages showed at least fair agreement (kappa [κ] > 0.20) for both type and amount consumed, with most showing substantial agreement (κ > 0.60). One beverage had high raw agreement but κ < 0.20. Six beverages had too few ratings to compute κ's.This brief questionnaire was useful for assessing school lunchtime consumption of many beverages and provides a low-cost tool for evaluating school-based beverage interventions.","journal":"UNC Libraries","year":2020,"id":139565,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":0,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9406,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2020-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":603081,"name":"Ariana Oliva","orcid":null,"position":1,"is_corresponding":false},{"id":603082,"name":"Karla E. Hampton","orcid":null,"position":2,"is_corresponding":false},{"id":418360,"name":"Anisha I. Patel","orcid":"0000-0001-9198-7936","position":3,"is_corresponding":false},{"id":261756,"name":"Anna H. Grummon","orcid":"0000-0002-8705-038X","position":4,"is_corresponding":false},{"id":402978,"name":"Amelie A. Hecht","orcid":"0000-0002-4942-5574","position":5,"is_corresponding":false},{"id":19019,"name":"Charles E. McCulloch","orcid":"0000-0002-1279-6179","position":6,"is_corresponding":false},{"id":322347,"name":"Claire D. Brindis","orcid":"0000-0002-2284-3936","position":0,"is_corresponding":true}],"reference_count":0,"raw_metadata":null,"created_at":"2026-07-18T23:17:10.185988Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}