{"id":"W3173700856","doi":"10.1136/bmjopen-2020-044829","title":"Secondhand tobacco smoke exposure among children under 5 years old: questionnaires versus cotinine biomarkers: a cohort study","year":2021,"lang":"en","type":"article","venue":"BMJ Open","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":19,"is_retracted":false,"has_abstract":true,"ca_institutions":"Simon Fraser University","funders":"National Institute of Environmental Health Sciences; Flight Attendant Medical Research Institute; U.S. Department of Housing and Urban Development","keywords":"Cotinine; Medicine; Concordance; Pregnancy; Cohort; Prospective cohort study; Gestation; Tobacco smoke; Gold standard (test); Cohort study; Pediatrics; Interquartile range; Obstetrics; Nicotine; Environmental health; Internal medicine","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.004084788,0.0005239614,0.0005595157,0.0008692813,0.0007101169,0.0009337701,0.000742267,0.0007177838,0.00106812],"category_scores_gemma":[0.00540068,0.0006430353,0.001119746,0.001531603,0.0004807569,0.000929718,0.0009941008,0.0008813294,0.0003109782],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004299468,"about_ca_system_score_gemma":0.0008012502,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01343577,"about_ca_topic_score_gemma":0.01455974,"domain_scores_codex":[0.9981614,0.0006712924,0.0001561443,0.0004334853,0.0002816693,0.0002960439],"domain_scores_gemma":[0.9970096,0.0008442467,0.0009305721,0.0004026302,0.0003555299,0.0004573708],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0005539381,0.0001326153,0.9978231,0.00002087507,0.0001586479,0.00005962411,0.0002617917,0.00001615011,0.0001747182,0.00001730203,0.00004713085,0.0007342271],"study_design_scores_gemma":[0.00006813022,0.001077992,0.9970811,0.00003057678,0.0002004527,0.0002841836,0.0006090716,0.0001159312,0.0001058344,0.00001496317,0.0004028554,0.000008968389],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9988222,0.0003296143,0.0001667195,0.00001877363,0.00001152434,0.00004817015,0.000452354,0.000001482242,0.0001491406],"genre_scores_gemma":[0.9979924,0.0003788618,0.000377325,0.00005589651,0.00002247521,0.0001139946,0.0007547627,0.000005005317,0.0002992537],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01343577,"threshold_uncertainty_score":0.02671516,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06854308635469165,"score_gpt":0.3896527055872221,"score_spread":0.3211096192325305,"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."}}