{"id":"W3143760019","doi":"10.1016/s2542-5196(20)30304-1","title":"Changes in beverage purchases following the announcement and implementation of South Africa's Health Promotion Levy: an observational study","year":2021,"lang":"en","type":"article","venue":"The Lancet Planetary Health","topic":"Obesity, Physical Activity, Diet","field":"Medicine","cited_by":99,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Carolina Population Center, University of North Carolina at Chapel Hill; University of North Carolina at Chapel Hill; Eunice Kennedy Shriver National Institute of Child Health and Human Development; University of the Western Cape; National Center for Advancing Translational Sciences; University of North Carolina Wilmington; Medical Research Council; University of the Witwatersrand, Johannesburg; South African Medical Research Council; International Development Research Centre; National Institutes of Health; Bloomberg Philanthropies","keywords":"Taxable income; Per capita; Demography; Business; Economics; Demographic economics; Medicine; Environmental health; Accounting; Population","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"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":[0.001115591,0.0002916883,0.0004096879,0.0006993998,0.0007124508,0.0007651519,0.0006838304,0.0006857511,0.00223894],"category_scores_gemma":[0.005712409,0.0005273146,0.0006401358,0.0019434,0.0005014256,0.001038566,0.001233148,0.00108115,0.0003968418],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009583023,"about_ca_system_score_gemma":0.001180274,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.03781947,"about_ca_topic_score_gemma":0.03536024,"domain_scores_codex":[0.9990522,0.0002986544,0.0001255887,0.0001743809,0.0001181808,0.0002309348],"domain_scores_gemma":[0.9965719,0.000411778,0.002222457,0.0001955723,0.0002587658,0.0003396181],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001935639,0.0001548267,0.9961631,0.00009686056,0.00007935607,0.0001069378,0.001115744,0.00003805647,0.0001216182,0.00004023453,0.0004163169,0.001473292],"study_design_scores_gemma":[0.000009468004,0.0001024088,0.9977112,0.00005022162,0.00002780101,0.0000879906,0.001460357,0.00008274012,0.00004536107,0.00001933699,0.0003955363,0.000007623842],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9980096,0.0001460431,0.00005477858,0.00008373241,0.00000430123,0.00003613851,0.001399464,0.000001660343,0.0002643701],"genre_scores_gemma":[0.9979305,0.0002272474,0.0001672699,0.00008739586,0.00001005202,0.00008883312,0.001276008,0.000002438473,0.0002103692],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03781947,"threshold_uncertainty_score":0.07519871,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1996142075710812,"score_gpt":0.392777620035405,"score_spread":0.1931634124643237,"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."}}