{"id":"W2898124695","doi":"10.2147/ndt.s175188","title":"Psychometric validation of the Perceived Deficits Questionnaire-Depression (PDQ-D) instrument in US and UK respondents with major depressive disorder","year":2018,"lang":"en","type":"article","venue":"Neuropsychiatric Disease and Treatment","topic":"Treatment of Major Depression","field":"Medicine","cited_by":104,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia; University of British Columbia Hospital","funders":"Canadian Institutes of Health Research; Allergan; Victoria General Hospital Foundation; Canadian Network for Mood and Anxiety Treatments; University Health Network Foundation; St. Jude Medical; Pfizer; Fondation Brain Canada; H. Lundbeck A/S; Movember Foundation","keywords":"Major depressive disorder; Medicine; Cronbach's alpha; Patient Health Questionnaire; Depression (economics); Concordance; Clinical psychology; Psychiatry; Cognition; Clinical Global Impression; Geriatric Depression Scale; Psychometrics; Depressive symptoms; Internal medicine; Alternative medicine","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.005804593,0.0002858609,0.0004331582,0.0009441404,0.0002937697,0.0005623397,0.0005232363,0.0006816036,0.00127924],"category_scores_gemma":[0.01463492,0.0003129271,0.0006302813,0.0010365,0.000496513,0.0004522169,0.001251094,0.0006309343,0.0004712483],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004552183,"about_ca_system_score_gemma":0.0003903407,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0030038,"about_ca_topic_score_gemma":0.004545432,"domain_scores_codex":[0.9960859,0.001787149,0.0008054752,0.0002989111,0.0008248164,0.0001978729],"domain_scores_gemma":[0.9941576,0.001765313,0.001804044,0.0003888121,0.001518433,0.0003659015],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002498523,0.0001406504,0.9881337,0.00007575026,0.0001033214,0.00005290313,0.0007471257,0.00008736104,0.0004903739,0.00003534044,0.0006827514,0.009200857],"study_design_scores_gemma":[0.00004039611,0.0002829226,0.9982569,0.00004438749,0.00002296724,0.0001825019,0.0003195338,0.0001318003,0.0001043639,0.00001798575,0.0005911385,0.000005270252],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9961517,0.0003342223,0.0004798754,0.0001429065,0.00002647101,0.0002816644,0.001251521,0.000006532825,0.001325015],"genre_scores_gemma":[0.996185,0.0001634836,0.001102157,0.0001524697,0.00001370432,0.0003539892,0.001751879,0.000003923882,0.0002734709],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005804593,"threshold_uncertainty_score":0.030698,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009915021990451326,"score_gpt":0.2525044660508237,"score_spread":0.2425894440603723,"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."}}