{"id":"W3126756663","doi":"10.1186/s13011-021-00352-3","title":"Changes in cannabis use, exposure, and health perceptions following legalization of adult recreational cannabis use in California: a prospective observational study","year":2021,"lang":"en","type":"article","venue":"Substance Abuse Treatment Prevention and Policy","topic":"Cannabis and Cannabinoid Research","field":"Medicine","cited_by":58,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"National Heart, Lung, and Blood Institute; School of Medicine, Stanford University","keywords":"Cannabis; Legalization; Health psychology; Observational study; Recreational use; Public health; Recreation; Medicine; Environmental health; Environmental epidemiology; Psychology; Psychiatry; Political science","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000217567,0.0001820167,0.0003925345,0.0004107385,0.0001062916,0.00005320949,0.00002643775,0.00006998036,0.00004484621],"category_scores_gemma":[0.0001052773,0.0001694314,0.00007329163,0.0008884046,0.0000545939,0.0003100774,0.00001149873,0.0001079507,6.431423e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008101905,"about_ca_system_score_gemma":0.0008392172,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.01281836,"about_ca_topic_score_gemma":0.3510998,"domain_scores_codex":[0.9984051,0.0001961322,0.000416053,0.000394953,0.0003146592,0.0002730854],"domain_scores_gemma":[0.9992397,0.00001239145,0.000110773,0.0001897413,0.0003024898,0.0001448371],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001569802,0.001287986,0.9825384,0.00006650035,0.00008382383,0.00003295087,0.01188496,0.00001731924,0.0002271821,0.000927214,0.0004621684,0.002314495],"study_design_scores_gemma":[0.004626441,0.0007919312,0.9899139,0.0003165247,0.00003963499,0.00001678998,0.003109814,0.00006880393,0.0001508132,0.0001472499,0.0007040037,0.0001140716],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9871103,0.0005688941,0.00003071392,0.01063738,0.00002693129,0.001470689,0.0001103072,0.00001587644,0.00002892631],"genre_scores_gemma":[0.9835922,0.002661803,0.0002222876,0.0002424978,0.00005238632,0.0005879189,0.0003240433,0.00002050051,0.01229643],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3382814,"threshold_uncertainty_score":0.9937553,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.08295992638000843,"score_gpt":0.3824851683469531,"score_spread":0.2995252419669446,"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."}}