{"id":"W2055366281","doi":"10.1542/peds.109.3.399","title":"Delayed Childbearing and Its Impact on Population Rate Changes in Lower Birth Weight, Multiple Birth, and Preterm Delivery","year":2002,"lang":"en","type":"article","venue":"PEDIATRICS","topic":"Assisted Reproductive Technology and Twin Pregnancy","field":"Medicine","cited_by":235,"is_retracted":false,"has_abstract":true,"ca_institutions":"Foothills Medical Centre; Alberta Health; University of Alberta; University of Calgary","funders":"","keywords":"Medicine; Low birth weight; Population; Obstetrics; Small for gestational age; Birth weight; Gestational age; Pregnancy; Confounding; Birth rate; Birth certificate; Premature birth; Demography; Pediatrics; Fertility; Environmental health; Internal medicine","routes":{"ca_aff":true,"ca_fund":false,"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":[0.0009410945,0.0001815941,0.0001822041,0.0006319414,0.0002308228,0.0005229157,0.0005375766,0.0002463376,0.001249698],"category_scores_gemma":[0.004190991,0.0001186976,0.0004509337,0.0009561882,0.0004045372,0.0002055246,0.000438501,0.0004858317,0.0001095517],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003417286,"about_ca_system_score_gemma":0.002579686,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.6310571,"about_ca_topic_score_gemma":0.5859613,"domain_scores_codex":[0.9992403,0.0001882096,0.00004157118,0.0001374195,0.000217719,0.0001747677],"domain_scores_gemma":[0.9979522,0.0002487381,0.0010028,0.0001066946,0.0003864564,0.0003031556],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00007586232,0.00001855954,0.9950997,0.00002000177,0.00008806278,0.00006802654,0.0001033341,0.0005477209,0.00009965678,0.00006672429,0.000211966,0.003600317],"study_design_scores_gemma":[0.000002369596,0.00003249288,0.999274,0.000005587183,0.00001695573,0.00004653707,0.00005216783,0.0002977246,0.0000257792,0.00001662755,0.0002277281,0.000001962401],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9953783,0.001405056,0.0002035725,0.0004029287,0.00002252166,0.00001094502,0.001456224,0.00001161942,0.00110883],"genre_scores_gemma":[0.999084,0.0002654257,0.00007655151,0.0000272461,0.000008806996,0.00000313313,0.0003228686,0.00000167165,0.0002102583],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6310571,"threshold_uncertainty_score":0.7422314,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01479726235408426,"score_gpt":0.2463692637625041,"score_spread":0.2315720014084199,"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."}}