{"id":"W2221108612","doi":"10.1016/j.conctc.2015.12.004","title":"Recruitment, screening, and baseline participant characteristics in the WALK 2.0 study: A randomized controlled trial using web 2.0 applications to promote physical activity","year":2015,"lang":"en","type":"article","venue":"Contemporary Clinical Trials Communications","topic":"Physical Activity and Health","field":"Medicine","cited_by":19,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta; University of British Columbia, Okanagan Campus; University of British Columbia","funders":"Medical Research Council; National Health and Medical Research Council; National Heart Foundation of Australia","keywords":"Randomized controlled trial; Intervention (counseling); Medicine; Physical therapy; Physical activity; Promotion (chess); Logbook; Family medicine; Nursing; Surgery","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaresearch"],"consensus_categories":["metaresearch"],"category_scores_codex":[0.05449508,0.0002976133,0.005238623,0.0001406263,0.0002869071,0.00009784604,0.0005730744,0.000143924,0.000004027728],"category_scores_gemma":[0.04059221,0.0001837708,0.000661261,0.0005051065,0.0004630438,0.0002084755,0.0003728703,0.001031152,0.00001316579],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0000559919,"about_ca_system_score_gemma":0.001207826,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002128421,"about_ca_topic_score_gemma":0.00005901359,"domain_scores_codex":[0.9720066,0.02382182,0.002861029,0.0005087,0.0004827156,0.0003191651],"domain_scores_gemma":[0.9640659,0.03159562,0.00130269,0.002126722,0.0003069102,0.0006021645],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"randomized_trial","study_design_gemma":"randomized_trial","study_design_scores_codex":[0.9436171,0.03200282,0.001002286,0.00002549074,0.0006048432,0.000007089347,0.002010087,0.000001505715,0.0001913702,0.0009087851,0.0002757328,0.01935288],"study_design_scores_gemma":[0.9525388,0.002449634,0.001104702,0.0001383598,0.001249005,0.000003435508,0.000624452,0.0324938,0.000006224294,0.0008949413,0.008276609,0.0002200656],"study_design_candidate":"randomized_trial","study_design_consensus":"randomized_trial","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9197116,0.0002674845,0.003207625,0.02162481,0.0001299178,0.05433856,0.00006217171,0.00007429955,0.000583563],"genre_scores_gemma":[0.9852096,0.0001641295,0.001857167,0.0009419258,0.0008502041,0.01085634,0.00004708193,0.0000256383,0.00004786389],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.06549808,"threshold_uncertainty_score":0.9735963,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.8434546553334499,"score_gpt":0.6033192636772892,"score_spread":0.2401353916561607,"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."}}