{"id":"W4415936791","doi":"10.2196/70341","title":"Personal Activity Trackers and Family Engagement in a Pediatric Obesity Intervention: Randomized Controlled Trial","year":2025,"lang":"en","type":"article","venue":"JMIR Formative Research","topic":"Mobile Health and mHealth Applications","field":"Health Professions","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Randomized controlled trial; Activity tracker; Intervention (counseling); Psychological intervention; Obesity; Physical activity; Digital health","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.005579653,0.001540304,0.003727611,0.0008718333,0.001100101,0.001610829,0.001570248,0.003544425,0.01175292],"category_scores_gemma":[0.009373412,0.000981781,0.003073068,0.001024575,0.001691669,0.001582759,0.001005817,0.003232784,0.0007251549],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001582045,"about_ca_system_score_gemma":0.003923807,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003234316,"about_ca_topic_score_gemma":0.00429841,"domain_scores_codex":[0.995214,0.00286269,0.0005475467,0.0005755314,0.0004028099,0.0003975176],"domain_scores_gemma":[0.995352,0.00215386,0.00114315,0.0002922189,0.0003001374,0.0007586615],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"randomized_trial","study_design_gemma":"randomized_trial","study_design_scores_codex":[0.9605291,0.01953797,0.0009756834,0.001994232,0.001735386,0.00002867925,0.0000887163,0.0001161723,0.0002833458,0.00009476984,0.0004705201,0.01414533],"study_design_scores_gemma":[0.9504096,0.04630756,0.00155703,0.0001860073,0.0008890634,0.00001036569,0.00003269532,0.0001643163,0.0001074914,0.00007022959,0.0002562931,0.000009243738],"study_design_candidate":"randomized_trial","study_design_consensus":"randomized_trial","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9482144,0.0125171,0.001436683,0.001538468,0.001592362,0.02989425,0.00164084,0.0002598738,0.002906029],"genre_scores_gemma":[0.918908,0.006660169,0.004884152,0.00138786,0.001287619,0.06327643,0.0007162439,0.00002639654,0.002853153],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01175292,"threshold_uncertainty_score":0.03931737,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.09395026769318525,"score_gpt":0.527431394641453,"score_spread":0.4334811269482678,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}