{"id":"W4414795219","doi":"10.2196/65301","title":"WhatsApp-Based Coaching Program to Support Smoking and Vaping Cessation Among Young People: Pre-Post Study on Acceptance and Preliminary Efficacy","year":2025,"lang":"en","type":"article","venue":"JMIR mhealth and uhealth","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Smoking cessation; Coaching; Intervention (counseling); Randomized controlled trial; Nicotine; Nicotine replacement therapy; Smoking prevention; Consumption (sociology); Young adult; mHealth","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"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":[0.002483589,0.0005628475,0.0008497981,0.0007097137,0.0007426328,0.0004246967,0.0003585511,0.0005718559,0.003240525],"category_scores_gemma":[0.00301513,0.0004259595,0.0009603634,0.0003208634,0.0003981074,0.0004575248,0.0006185754,0.0008662348,0.0003920958],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004960095,"about_ca_system_score_gemma":0.001484465,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003037379,"about_ca_topic_score_gemma":0.00338511,"domain_scores_codex":[0.9989806,0.0003841869,0.0001049393,0.0001014927,0.0001831124,0.0002456485],"domain_scores_gemma":[0.9983104,0.0005416495,0.000206049,0.0001071255,0.0003219593,0.0005128416],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"nonrandomized_trial","study_design_gemma":"nonrandomized_trial","study_design_scores_codex":[0.03493866,0.4361007,0.2215846,0.002008962,0.0004543241,0.0006074994,0.01251591,0.0006684966,0.0143823,0.0001621354,0.001300449,0.2752758],"study_design_scores_gemma":[0.00975708,0.3791477,0.6003272,0.0001407459,0.000394899,0.0001342176,0.003784273,0.0009955505,0.003520472,0.00007065073,0.001674323,0.00005283553],"study_design_candidate":"nonrandomized_trial","study_design_consensus":"nonrandomized_trial","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9979184,0.0000197271,0.00009431121,0.00002092888,0.00001101218,0.001532396,0.00006875376,0.000009655855,0.0003247046],"genre_scores_gemma":[0.9921371,0.0001451981,0.001626903,0.00008937313,0.00004048883,0.004388318,0.0002637868,0.000004808648,0.00130389],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003240525,"threshold_uncertainty_score":0.01313466,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04068142498470552,"score_gpt":0.40279392114715,"score_spread":0.3621124961624445,"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."}}