{"id":"W2045213301","doi":"10.1111/j.1360-0443.2009.02731.x","title":"The natural history of quitting smoking: findings from the International Tobacco Control (ITC) Four Country Survey","year":2009,"lang":"en","type":"article","venue":"Addiction","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":62,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"National Cancer Institute; Canadian Institutes of Health Research; Cancer Research UK","keywords":"Abstinence; Tobacco control; Smoking cessation; Demography; Natural history; Medicine; Telephone survey; Psychology; Environmental health; Public health; Psychiatry; Advertising","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001684082,0.0001634309,0.0002886114,0.001018903,0.0003600578,0.0004663492,0.0006219596,0.0004696558,0.0009691452],"category_scores_gemma":[0.005712964,0.0002812454,0.0004521422,0.001406302,0.0003193436,0.0005150227,0.0007281118,0.0009609222,0.0001616171],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004697832,"about_ca_system_score_gemma":0.0004072782,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.02310652,"about_ca_topic_score_gemma":0.02887866,"domain_scores_codex":[0.9992152,0.0003199425,0.0000792904,0.00009449593,0.0001923653,0.00009863314],"domain_scores_gemma":[0.9961537,0.0008055922,0.00171153,0.0003024511,0.0003993622,0.0006273692],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00003471687,0.00002343624,0.9986669,0.00001006294,0.00003649595,0.00001417032,0.0001615331,0.00003485129,0.0000495781,0.00001182731,0.0001214591,0.0008349693],"study_design_scores_gemma":[0.000001127113,0.00002157687,0.9997075,0.00000315603,0.000007608945,0.00002077069,0.0001117932,0.00004292768,0.000009655139,0.000004562923,0.00006740377,0.000001838412],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.996115,0.0003026179,0.0001968183,0.0001560741,0.000003887374,0.00003917588,0.00255496,0.000007415606,0.0006239713],"genre_scores_gemma":[0.9975145,0.0001743536,0.0001425256,0.00004394941,0.00000483188,0.00003550531,0.001916317,0.000002658093,0.0001652519],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02310652,"threshold_uncertainty_score":0.04594404,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02529324052394904,"score_gpt":0.2626541002757158,"score_spread":0.2373608597517668,"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."}}