{"id":"W2554597153","doi":"10.2196/mhealth.6540","title":"Feasibility and Effectiveness of Using Wearable Activity Trackers in Youth: A Systematic Review","year":2016,"lang":"en","type":"review","venue":"JMIR mhealth and uhealth","topic":"Physical Activity and Health","field":"Medicine","cited_by":279,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Activity tracker; Wearable computer; Computer science; BitTorrent tracker; Wearable technology; Applied psychology; Psychology; Artificial intelligence; Embedded system","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":[0.003832336,0.0004797738,0.007604941,0.0002462363,0.0001147193,0.000008878466,0.0000925031,0.000350929,0.00000402528],"category_scores_gemma":[0.0003553751,0.0003112674,0.0002723304,0.000509302,0.000172838,0.0001512639,0.00005967736,0.0008301056,0.000003669135],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000830746,"about_ca_system_score_gemma":0.002264743,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0005240766,"about_ca_topic_score_gemma":0.00002954861,"domain_scores_codex":[0.9946333,0.002407203,0.001250154,0.0007261522,0.0003372954,0.0006458669],"domain_scores_gemma":[0.9963196,0.001259781,0.001081616,0.0005678837,0.00007527527,0.0006958669],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"systematic_review","study_design_gemma":"systematic_review","study_design_scores_codex":[0.0001789638,0.0005234635,0.0001165454,0.9579244,0.00003532896,0.000004592107,0.00009936735,5.780818e-9,6.874733e-7,0.00003948027,0.000001833061,0.04107529],"study_design_scores_gemma":[0.001050725,0.0004795479,0.001412281,0.9944343,0.001945845,0.00008885652,0.00001958089,0.000007834696,4.781434e-7,0.00007875608,0.0002501426,0.0002316822],"study_design_candidate":"systematic_review","study_design_consensus":"systematic_review","genre_codex":"review","genre_gemma":"review","genre_scores_codex":[0.03094685,0.9592007,0.00001366216,0.00008392552,0.00006050819,0.009467958,0.0001604975,0.0000251656,0.00004076666],"genre_scores_gemma":[0.02763977,0.971926,0.00002848595,0.0001093112,0.000057334,0.0001781851,0.00001412794,0.00004067223,0.000006104599],"genre_candidate":"review","genre_consensus":"review","teacher_disagreement_score":0.04084361,"threshold_uncertainty_score":0.999934,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2387601342138271,"score_gpt":0.4844054007839235,"score_spread":0.2456452665700964,"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."}}