{"id":"W4407740247","doi":"10.2196/66056","title":"Development and Validation of Prediction Models for Perceived and Unmet Mental Health Needs in the Canadian General Population: Model-Based Synthetic Estimation Study","year":2025,"lang":"en","type":"article","venue":"JMIR Public Health and Surveillance","topic":"Mental Health Treatment and Access","field":"Psychology","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Sherbrooke; Ottawa Hospital; Public Health Agency of Canada; University of Ottawa; Ottawa Public Health; Dalhousie University","funders":"","keywords":"Mental health; Estimation; Population; Anxiety; Mood; Medicine; Needs assessment; Gerontology; Environmental health; Psychology; Psychiatry","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":true,"about_ca":true,"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":[0.01504507,0.001405603,0.001246298,0.001538825,0.001388675,0.001565114,0.002854757,0.0008948509,0.001503207],"category_scores_gemma":[0.02715819,0.0007151479,0.001644298,0.001940203,0.0007557297,0.0006876795,0.001397549,0.001953806,0.0003188581],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.01194064,"about_ca_system_score_gemma":0.01282985,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.8857184,"about_ca_topic_score_gemma":0.7272304,"domain_scores_codex":[0.9973532,0.00143443,0.0001340831,0.0005294853,0.0002934569,0.0002554047],"domain_scores_gemma":[0.9822955,0.01000229,0.0006949583,0.0007391614,0.005814682,0.0004534297],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0005983089,0.0004195831,0.1754394,0.0002361939,0.0007666072,0.0001425186,0.0005067782,0.7677419,0.0003434944,0.003409087,0.0075991,0.04279695],"study_design_scores_gemma":[0.00003496783,0.00003650335,0.01334384,0.00002710307,0.00005290192,0.000009146967,0.0001076431,0.9853614,0.00009094417,0.0003667347,0.0005520717,0.0000166808],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9080504,0.0009563621,0.07582368,0.001164934,0.0001379406,0.0007431918,0.008974207,0.0006512749,0.003498139],"genre_scores_gemma":[0.9439815,0.000296391,0.04331822,0.000159372,0.00002739532,0.0004695647,0.0107216,0.00005572338,0.0009701962],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1142816,"threshold_uncertainty_score":0.2299092,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05549955390942301,"score_gpt":0.3735668462864565,"score_spread":0.3180672923770335,"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."}}