{"id":"W1996144992","doi":"10.1007/s11524-006-9060-7","title":"Volunteering: A Physical Activity Intervention for Older Adults—The Experience Corps® Program in Baltimore","year":2006,"lang":"en","type":"article","venue":"Journal of Urban Health","topic":"Physical Activity and Health","field":"Medicine","cited_by":162,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"Johns Hopkins University; Corporation for National and Community Service; McGill University; Retirement Research Foundation; Hartford Foundation for Public Giving; John A. Hartford Foundation","keywords":"Gerontology; Physical activity; Randomized controlled trial; Health promotion; Medicine; Promotion (chess); Intervention (counseling); Psychology; Physical therapy; Public health; Nursing","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":[0.0004908506,0.0002835931,0.0002670659,0.000305818,0.001435153,0.0003294227,0.0004191172,0.0004515904,0.002937803],"category_scores_gemma":[0.0004881951,0.0002313419,0.0002346892,0.0002487188,0.0002530772,0.0002770944,0.001344511,0.0006030406,0.0002744353],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000663202,"about_ca_system_score_gemma":0.003007571,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01857071,"about_ca_topic_score_gemma":0.08840393,"domain_scores_codex":[0.9997951,0.00005610369,0.000009026792,0.00003073786,0.00001695037,0.00009205063],"domain_scores_gemma":[0.9993384,0.00001932674,0.00002594083,0.00001488241,0.00002810168,0.0005732659],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"observational","study_design_scores_codex":[0.01134823,0.1197675,0.3528278,0.0005526087,0.0002560193,0.0012793,0.00431414,0.001307727,0.01843674,0.0008027985,0.03880682,0.4503003],"study_design_scores_gemma":[0.007241731,0.02635237,0.9394186,0.0001384586,0.0001955524,0.0002672561,0.003462469,0.00113835,0.001610183,0.0002373946,0.01990787,0.00002973893],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9971784,0.0001054496,0.0001367948,0.0005279463,0.00006934967,0.0003687201,0.0001037445,0.00002641911,0.001483254],"genre_scores_gemma":[0.9906201,0.0003704249,0.001783163,0.0007440945,0.0001164159,0.0007858598,0.0003966102,0.000009606431,0.005173679],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01857071,"threshold_uncertainty_score":0.03692526,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03434538028835612,"score_gpt":0.3754261150681796,"score_spread":0.3410807347798235,"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."}}