{"id":"W3157943908","doi":"10.2196/27018","title":"User Engagement and Usability of Suicide Prevention Apps: Systematic Search in App Stores and Content Analysis","year":2021,"lang":"en","type":"article","venue":"JMIR Formative Research","topic":"Suicide and Self-Harm Studies","field":"Psychology","cited_by":48,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Usability; Suicidal ideation; Mobile apps; Psychological intervention; App store; mHealth; Suicide prevention; Poison control; Psychology; Internet privacy; World Wide Web; Computer science; Medicine; Medical emergency; Psychiatry; Human–computer interaction","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":[0.01644913,0.001121229,0.004335405,0.02786021,0.001024505,0.0029893,0.001410342,0.001230574,0.003187666],"category_scores_gemma":[0.09226333,0.00105947,0.004037903,0.01898247,0.001359593,0.003862747,0.003159331,0.001192504,0.0004470963],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002673935,"about_ca_system_score_gemma":0.01219968,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.007176461,"about_ca_topic_score_gemma":0.01743712,"domain_scores_codex":[0.984381,0.004442761,0.006783547,0.0008937257,0.003200344,0.0002988128],"domain_scores_gemma":[0.876961,0.09792484,0.01335509,0.001965963,0.009217203,0.000575834],"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":[0.0003163218,0.00006404148,0.01034507,0.841877,0.003621277,0.0004158939,0.006369609,0.0001111042,0.0004563038,0.0004918462,0.003862774,0.1320688],"study_design_scores_gemma":[0.0001390207,0.0002825737,0.02292722,0.9308915,0.01473672,0.0008299674,0.004224232,0.0002428103,0.0004383016,0.0005235627,0.02467309,0.00009095735],"study_design_candidate":"systematic_review","study_design_consensus":"systematic_review","genre_codex":"review","genre_gemma":"review","genre_scores_codex":[0.06108266,0.9110136,0.002872871,0.001323745,0.0002199697,0.00743727,0.01260426,0.0001545733,0.003291151],"genre_scores_gemma":[0.2069522,0.7606722,0.01042458,0.001778633,0.0001473212,0.01311044,0.005964529,0.0001197545,0.000830419],"genre_candidate":"review","genre_consensus":"review","teacher_disagreement_score":0.02786021,"threshold_uncertainty_score":0.08699238,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2234811276106359,"score_gpt":0.4732110430569014,"score_spread":0.2497299154462655,"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."}}