{"doi":"10.1007/978-3-031-09034-9_25","title":"Clustering Adolescent Female Physical Activity Levels with an Infinite Mixture Model on Random Effects","abstract":"Abstract Physical activity trajectories from the Trial of Activity in Adolescent Girls (TAAG) capture the various exercise habits over female adolescence. Previous analyses of this longitudinal data from the University of Maryland field site, examined the effect of various individual-, social-, and environmental-level factors impacting the change in physical activity levels over 14 to 23 years of age. We aimed to understand the differences in physical activity levels after controlling for these factors. Using a Bayesian linear mixed model incorporating a model-based clustering procedure for random deviations that does not specify the number of groups a priori, we find that physical activity levels are starkly different for about 5% of the study sample. These young girls are exercising on average 23 more minutes per day.","journal":"Studies in classification, data analysis, and knowledge organization","year":2023,"id":414747,"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":0.0,"corpus_rank":10062,"citation_count":0,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":true,"is_dataset_confidence":0.5167,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2023-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":333973,"name":"Tanzy Love","orcid":"0000-0002-7154-0229","position":1,"is_corresponding":false},{"id":287903,"name":"Deborah Rohm Young","orcid":"0000-0002-8335-7851","position":2,"is_corresponding":false},{"id":1196659,"name":"Tongtong Wu","orcid":"0009-0000-2969-4972","position":3,"is_corresponding":false},{"id":1196658,"name":"Amy Lalonde","orcid":"0000-0002-7471-6787","position":0,"is_corresponding":true}],"reference_count":4,"raw_metadata":null,"created_at":"2026-07-19T01:22:08.814145Z","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":[]}