{"id":"W4387208614","doi":"10.2196/preprints.47970","title":"Effectiveness and Cost of Using Facebook Recruitment to Elicit Canadian Women’s Perspectives on Bone Health and Osteoporosis: Cross-Sectional Survey Study (Preprint)","year":2023,"lang":"en","type":"preprint","venue":"","topic":"Social Media in Health Education","field":"Social Sciences","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Web survey; Cross-sectional study; Medicine; Osteoporosis; Family medicine; Survey research; Public health; Postmenopausal osteoporosis; Advertising; Psychology; Gerontology; Business; Marketing; Nursing; Bone mineral; Applied psychology","routes":{"ca_aff":false,"ca_fund":false,"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":[0.03803308,0.0009394881,0.0009942146,0.001972469,0.004324721,0.003196151,0.002511259,0.00201198,0.007517566],"category_scores_gemma":[0.1507804,0.0008968782,0.001862364,0.003046673,0.001374181,0.001746719,0.00237172,0.001532656,0.0009241535],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0421099,"about_ca_system_score_gemma":0.06199442,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.7964259,"about_ca_topic_score_gemma":0.7774077,"domain_scores_codex":[0.9608366,0.02242805,0.00248223,0.001828956,0.009624716,0.002799486],"domain_scores_gemma":[0.876718,0.07688437,0.01455252,0.005580735,0.0170729,0.009191447],"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":[0.01575598,0.01250736,0.4500393,0.004128351,0.001127406,0.0003048051,0.00975728,0.002433547,0.0007691287,0.001340796,0.04447988,0.4573562],"study_design_scores_gemma":[0.005927005,0.01759551,0.9266787,0.002731545,0.001912159,0.0002489199,0.01154448,0.01763329,0.001151943,0.000500746,0.01367209,0.0004034982],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9442069,0.001717494,0.001543436,0.009042325,0.0003168742,0.01716062,0.008897121,0.0002422322,0.01687309],"genre_scores_gemma":[0.968671,0.001506799,0.008946071,0.003896623,0.000147324,0.01181473,0.001979222,0.00004600534,0.002992202],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2035741,"threshold_uncertainty_score":0.409546,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.3348498939557023,"score_gpt":0.4946141882623185,"score_spread":0.1597642943066162,"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."}}