{"id":"W2102211927","doi":"10.24095/hpcdp.34.4.10","title":"Roll-your-own tobacco use among Canadian youth: current prevalence and changes in youth smoking “rollies” since 2008","year":2014,"lang":"en","type":"article","venue":"Chronic diseases and injuries in Canada","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"Impact; University of Waterloo","funders":"Health Canada; University of Waterloo","keywords":"Environmental health; Medicine; Youth smoking; Tobacco use; Tobacco control; Demography; Population; Public health","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0005051019,0.0002486112,0.000261917,0.002005372,0.001642516,0.001026562,0.001035986,0.000382123,0.001780662],"category_scores_gemma":[0.001218377,0.0002445117,0.0005383388,0.003703978,0.0004909936,0.0004442588,0.0005338305,0.0005749884,0.0002009633],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.01729661,"about_ca_system_score_gemma":0.01645079,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.994722,"about_ca_topic_score_gemma":0.9969453,"domain_scores_codex":[0.9994491,0.00002005279,0.00002911326,0.0000685046,0.0002699657,0.0001633291],"domain_scores_gemma":[0.9989014,0.00003041083,0.0002514427,0.00001965067,0.0005596959,0.0002373486],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00003113426,0.00003031602,0.9907383,0.00005095323,0.00003548113,0.00002922662,0.0005386909,0.00004340428,0.0001040378,0.00004985732,0.001010915,0.007337699],"study_design_scores_gemma":[0.000001218416,0.000008944472,0.998535,0.00002525108,0.00001817699,0.00002875254,0.0006473589,0.00008987657,0.00003640899,0.000005544768,0.0005995833,0.000003850809],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9835938,0.001973988,0.0001067749,0.0005364559,0.00001882657,0.00004659274,0.01002701,0.00002305949,0.003673525],"genre_scores_gemma":[0.9938274,0.001581187,0.0001830159,0.0001018054,0.000007369901,0.00001557376,0.003347107,0.000004813409,0.0009316291],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01729661,"threshold_uncertainty_score":0.1254963,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02211115848705486,"score_gpt":0.2564359535005359,"score_spread":0.234324795013481,"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."}}