{"id":"W4308679529","doi":"10.2196/40302","title":"Continued Use of Contact-Tracing Apps in the United States and the United Kingdom: Insights From a Comparative Study Through the Lens of the Health Belief Model","year":2022,"lang":"en","type":"article","venue":"JMIR Formative Research","topic":"COVID-19 Digital Contact Tracing","field":"Computer Science","cited_by":7,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Contact tracing; Health belief model; Medicine; Population; Structural equation modeling; Psychology; Coronavirus disease 2019 (COVID-19); Environmental health; Social psychology; Demography; Public health; Nursing; Health education; Disease; Computer science","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":[0.004236246,0.0002523784,0.0004952812,0.001499443,0.001768436,0.002763573,0.000562437,0.001020821,0.001631585],"category_scores_gemma":[0.01373006,0.0004238763,0.0004695207,0.0017656,0.001576116,0.002994917,0.002557036,0.001079148,0.0001364573],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003765686,"about_ca_system_score_gemma":0.001878344,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.1244521,"about_ca_topic_score_gemma":0.1564139,"domain_scores_codex":[0.9969126,0.002034144,0.0002294105,0.0001724882,0.0002846569,0.0003668148],"domain_scores_gemma":[0.9892097,0.006291253,0.00218163,0.0003575114,0.001353581,0.0006062798],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"qualitative","study_design_gemma":"observational","study_design_scores_codex":[0.0002533683,0.0003491664,0.4106074,0.0002601561,0.00009373214,0.001287366,0.5621128,0.00007914142,0.0003923403,0.001318145,0.0004883315,0.02275816],"study_design_scores_gemma":[0.00001607066,0.0003812201,0.422568,0.0003955544,0.00007069184,0.0005096078,0.5727433,0.0003932708,0.0001203399,0.0001872307,0.002581253,0.00003346795],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9985208,0.0004726719,0.00005648451,0.000220493,0.000003863879,0.000007612193,0.0000248986,5.902057e-7,0.0006926022],"genre_scores_gemma":[0.9992058,0.0004603691,0.00008235813,0.00009037691,0.000001820035,0.00001068084,0.00002440301,0.000001026547,0.0001232462],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1244521,"threshold_uncertainty_score":0.2474553,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2422688303635186,"score_gpt":0.4270961862685459,"score_spread":0.1848273559050273,"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."}}