{"id":"W4413722840","doi":"10.1101/2025.08.24.25334320","title":"Context-Aware Digital Phenotyping of Youth Mental Health Using Mobile Ecological Prospective Assessments of Smartphone Use","year":2025,"lang":"en","type":"preprint","venue":"medRxiv","topic":"Mental Health Research Topics","field":"Psychology","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Western University","funders":"","keywords":"Context (archaeology); Mental health; Smartphone application; Psychology; Internet privacy; Environmental health; Computer science; Geography; Medicine; Psychiatry; Multimedia","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00165925,0.0004889707,0.0002956401,0.0013364,0.0003733106,0.001019162,0.0004635177,0.0003505283,0.001667178],"category_scores_gemma":[0.004603577,0.0003141419,0.0006352055,0.001415494,0.00019962,0.000616467,0.001345378,0.0004819241,0.0003225586],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003501354,"about_ca_system_score_gemma":0.0006348665,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01224599,"about_ca_topic_score_gemma":0.02883018,"domain_scores_codex":[0.9986902,0.000662502,0.0001606656,0.0002206398,0.0001572074,0.0001088407],"domain_scores_gemma":[0.9975212,0.0004509468,0.0009805394,0.0002345209,0.0006028713,0.0002098272],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00007988528,0.00009351229,0.9848387,0.000192596,0.0001378734,0.0000335068,0.0005333981,0.0001939252,0.0002967102,0.00008507833,0.0006626778,0.01285207],"study_design_scores_gemma":[0.00001373991,0.0001919759,0.9965366,0.0001357297,0.00009673096,0.00009294491,0.0006899229,0.0007073965,0.0002206933,0.0001466856,0.001155047,0.00001236777],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9826673,0.0008440407,0.003599162,0.0002061153,0.00003822941,0.0005744736,0.00966996,0.00006567672,0.0023351],"genre_scores_gemma":[0.9900238,0.0004854332,0.005490766,0.0001057064,0.00003232907,0.0008321881,0.002600837,0.000007891301,0.0004210807],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01224599,"threshold_uncertainty_score":0.02434939,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1747072105271299,"score_gpt":0.4715118448232233,"score_spread":0.2968046342960934,"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."}}