{"id":"W2944593663","doi":"10.1186/s12884-019-2309-4","title":"Factors associated with the timing of the first prenatal ultrasound in Canada","year":2019,"lang":"en","type":"article","venue":"BMC Pregnancy and Childbirth","topic":"Neonatal and fetal brain pathology","field":"Medicine","cited_by":19,"is_retracted":false,"has_abstract":true,"ca_institutions":"York University","funders":"York University","keywords":"Medicine; Prenatal care; Pregnancy; Obstetrics; Ultrasound; Reproductive medicine; Demography; Cross-sectional study; Logistic regression; Multinomial logistic regression; Gynecology; Population; Internal medicine; Environmental health","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"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":[0.0006250982,0.0002033618,0.0002744026,0.001449117,0.001579811,0.0008444722,0.0008917447,0.0004090733,0.002631934],"category_scores_gemma":[0.006030903,0.0002583648,0.0003556091,0.003280721,0.0006789432,0.0001926977,0.0005931191,0.0007815009,0.0001360008],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.01491574,"about_ca_system_score_gemma":0.03732337,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9850397,"about_ca_topic_score_gemma":0.9860799,"domain_scores_codex":[0.9987171,0.0001245935,0.00009135229,0.0001831106,0.0005132638,0.0003706987],"domain_scores_gemma":[0.9934668,0.0008150812,0.002009739,0.0001310562,0.002206555,0.001370749],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00005245667,0.0000153122,0.9937295,0.00003689686,0.00002124985,0.0001754372,0.0002800424,0.0001479853,0.0002127522,0.00009145029,0.0006437929,0.004593148],"study_design_scores_gemma":[0.000003529474,0.00001950835,0.9975726,0.00005122268,0.00001666065,0.0002202924,0.0006749877,0.0002437855,0.00009354948,0.00002680859,0.001068204,0.000008853333],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9874015,0.002233262,0.0003213393,0.00166108,0.00003447479,0.00004620946,0.003431231,0.00003249329,0.004838307],"genre_scores_gemma":[0.9976846,0.0007879579,0.0003059884,0.0001074504,0.000008627312,0.000008352449,0.0005718076,0.000009657294,0.000515498],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01496029,"threshold_uncertainty_score":0.1082217,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01414703644041217,"score_gpt":0.1953360492731812,"score_spread":0.181189012832769,"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."}}