{"id":"W3172601496","doi":"10.2196/29840","title":"Predicting Depressive Symptom Severity Through Individuals’ Nearby Bluetooth Device Count Data Collected by Mobile Phones: Preliminary Longitudinal Study","year":2021,"lang":"en","type":"article","venue":"JMIR mhealth and uhealth","topic":"Digital Mental Health Interventions","field":"Psychology","cited_by":73,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"National Institute of Mental Health; Economic and Social Research Council; Department of Health and Social Care; Medical Research Council; Scottish Government; Chief Scientist Office, Scottish Government Health and Social Care Directorate; Institut Català de la Salut; Innovative Medicines Initiative; ZonMw; National Institute for Health Research Applied Research Collaboration South London; South London and Maudsley NHS Foundation Trust; NIHR Maudsley Biomedical Research Centre; Health and Social Care Research and Development Division; Public Health Agency; GIESKES-STRIJBIS FONDS; European Society of Cardiology; European Commission; National Institute for Health and Care Research; University College London; Wellcome Trust; Alzheimer's Society; King's College London; Engineering and Physical Sciences Research Council; UK Research and Innovation; British Heart Foundation; European Federation of Pharmaceutical Industries and Associations; King's College Hospital NHS Foundation Trust","keywords":"Bluetooth; Loneliness; Patient Health Questionnaire; Depression (economics); Medicine; Psychology; Computer science; Psychiatry; Depressive symptoms; Telecommunications; Anxiety","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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0008799069,0.0004471566,0.0007276947,0.0001094369,0.001017783,0.0001818113,0.0006259684,0.0002509766,0.000372879],"category_scores_gemma":[0.0001256068,0.0004676882,0.00006787485,0.000895875,0.0001685601,0.0007232536,0.0007692197,0.0007948019,0.00009810923],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003467225,"about_ca_system_score_gemma":0.000997194,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003630687,"about_ca_topic_score_gemma":0.001422521,"domain_scores_codex":[0.9942716,0.0008715814,0.001336523,0.001607655,0.0006361809,0.001276427],"domain_scores_gemma":[0.996304,0.000536526,0.0006737214,0.001485848,0.0002358582,0.000764063],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0009031095,0.01194899,0.8517956,0.002713095,0.0003848545,0.0002851048,0.01957006,0.000002790857,0.00000356344,0.0002262456,0.09420335,0.01796331],"study_design_scores_gemma":[0.004336223,0.004983782,0.9592853,0.0004561446,0.0002901353,0.0004253286,0.01666902,0.0002013968,0.00002572571,0.0001995766,0.0125908,0.0005365351],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9789665,0.009329317,0.00008840657,0.0008533519,0.001429368,0.003071201,0.003615312,0.0002547003,0.002391859],"genre_scores_gemma":[0.993701,0.0001766597,0.000345667,0.00154399,0.000232393,0.001149557,0.001596803,0.0000763814,0.001177528],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1074898,"threshold_uncertainty_score":0.9997775,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.108282958962035,"score_gpt":0.4484685559061991,"score_spread":0.3401855969441641,"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."}}