{"id":"https://openalex.org/W2118742196","doi":"https://doi.org/10.1002/art.1780380612","title":"A self\u2010administered rheumatoid arthritis disease activity index (RADAI) for epidemiologic research","display_name":"A self\u2010administered rheumatoid arthritis disease activity index (RADAI) for epidemiologic research","publication_year":1995,"publication_date":"1995-06-01","ids":{"openalex":"https://openalex.org/W2118742196","doi":"https://doi.org/10.1002/art.1780380612","mag":"2118742196","pmid":"https://pubmed.ncbi.nlm.nih.gov/7779122"},"language":"en","primary_location":{"id":"doi:10.1002/art.1780380612","doi":"https://doi.org/10.1002/art.1780380612","is_oa":false,"landing_page_url":"https://doi.org/10.1002/art.1780380612","pdf_url":null,"source":{"id":"https://openalex.org/S132787887","display_name":"Arthritis & Rheumatism","issn_l":"0004-3591","issn":["0004-3591","1529-0131"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Arthritis &amp; Rheumatism","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5043925156","display_name":"Gerold Stucki","orcid":"https://orcid.org/0000-0002-6170-2749","observed_orcids":["https://orcid.org/0000-0002-6170-2749"]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Gerold Stucki","raw_affiliation_strings":["Harvard Medical School, Boston, Massachusetts, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Harvard Medical School, Boston, Massachusetts, USA","institution_ids":["https://openalex.org/I136199984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113697433","display_name":"Matthew H. Liang","orcid":"https://orcid.org/0009-0001-0104-3606","observed_orcids":["https://orcid.org/0009-0001-0104-3606"]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Matthew H. Liang","raw_affiliation_strings":["Harvard Medical School, Boston, Massachusetts"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Harvard Medical School, Boston, Massachusetts","institution_ids":["https://openalex.org/I136199984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111849750","display_name":"S Stucki","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1283280774","display_name":"Brigham and Women's Hospital","ror":"https://ror.org/04b6nzv94","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I121934306","https://openalex.org/I1283280774","https://openalex.org/I48633490"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Susanne Stucki","raw_affiliation_strings":["**Brigham and Women's Hospital, Boston Massachusetts"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"**Brigham and Women's Hospital, Boston Massachusetts","institution_ids":["https://openalex.org/I1283280774"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063579854","display_name":"P Br\u00fchlmann","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I202697423","display_name":"University of Zurich","ror":"https://ror.org/02crff812","country_code":"CH","type":"education","lineage":["https://openalex.org/I202697423"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Pius Br\u00fchlmann","raw_affiliation_strings":["University of Zurich, Zurich, Switzerland","[University of Zurich, Z\u00fcrich, Switzerland]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Zurich, Zurich, Switzerland","institution_ids":["https://openalex.org/I202697423"]},{"raw_affiliation_string":"[University of Zurich, Z\u00fcrich, Switzerland]","institution_ids":["https://openalex.org/I202697423"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111630242","display_name":"Beat A. Michel","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I202697423","display_name":"University of Zurich","ror":"https://ror.org/02crff812","country_code":"CH","type":"education","lineage":["https://openalex.org/I202697423"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Beat A. Michel","raw_affiliation_strings":["University of Zurich, Zurich, Switzerland","[University of Zurich, Z\u00fcrich, Switzerland]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Zurich, Zurich, Switzerland","institution_ids":["https://openalex.org/I202697423"]},{"raw_affiliation_string":"[University of Zurich, Z\u00fcrich, Switzerland]","institution_ids":["https://openalex.org/I202697423"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5043925156"],"corresponding_institution_ids":["https://openalex.org/I136199984"],"apc_list":null,"apc_paid":null,"fwci":2.5685,"has_fulltext":false,"cited_by_count":295,"citation_normalized_percentile":{"value":0.90141403,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":93,"max":100},"biblio":{"volume":"38","issue":"6","first_page":"795","last_page":"798"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10200","display_name":"Rheumatoid Arthritis Research and Therapies","score":0.9878000020980835,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10200","display_name":"Rheumatoid Arthritis Research and Therapies","score":0.9878000020980835,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11616","display_name":"Autoimmune and Inflammatory Disorders Research","score":0.0035000001080334187,"subfield":{"id":"https://openalex.org/subfields/2720","display_name":"Hematology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10467","display_name":"Psychometric Methodologies and Testing","score":0.0010000000474974513,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/rheumatoid-arthritis","display_name":"rheumatoid arthritis","score":0.9929999709129333},{"id":"https://openalex.org/keywords/disease-activity","display_name":"disease activity","score":0.7870000004768372},{"id":"https://openalex.org/keywords/self-administered-questionnaire","display_name":"self-administered questionnaire","score":0.7900000214576721},{"id":"https://openalex.org/keywords/psychometric-properties","display_name":"psychometric properties","score":0.8489999771118164},{"id":"https://openalex.org/keywords/construct-validity","display_name":"construct validity","score":0.9980000257492065},{"id":"https://openalex.org/keywords/internal-consistency","display_name":"internal consistency","score":0.9639999866485596},{"id":"https://openalex.org/keywords/patient-reported-outcome-measures","display_name":"patient-reported outcome measures","score":0.5659999847412109},{"id":"https://openalex.org/keywords/c-reactive-protein","display_name":"C-reactive protein","score":0.8560000061988831},{"id":"https://openalex.org/keywords/swollen-joint-count","display_name":"swollen joint count","score":0.9869999885559082}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.7643921375274658},{"id":"https://openalex.org/C2777575956","wikidata":"https://www.wikidata.org/wiki/Q187255","display_name":"Rheumatoid arthritis","level":2,"score":0.6991416811943054},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.6963615417480469},{"id":"https://openalex.org/C198451711","wikidata":"https://www.wikidata.org/wiki/Q327657","display_name":"Rheumatology","level":2,"score":0.641889214515686},{"id":"https://openalex.org/C106906290","wikidata":"https://www.wikidata.org/wiki/Q1140909","display_name":"Cronbach's alpha","level":3,"score":0.6370944976806641},{"id":"https://openalex.org/C49453240","wikidata":"https://www.wikidata.org/wiki/Q1592163","display_name":"Construct validity","level":3,"score":0.5564087629318237},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.5033273100852966},{"id":"https://openalex.org/C171606756","wikidata":"https://www.wikidata.org/wiki/Q506132","display_name":"Psychometrics","level":2,"score":0.1923009157180786},{"id":"https://openalex.org/C70410870","wikidata":"https://www.wikidata.org/wiki/Q199906","display_name":"Clinical psychology","level":1,"score":0.0608765184879303}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000369","descriptor_name":"Aged, 80 and over","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001172","descriptor_name":"Arthritis, Rheumatoid","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":true},{"descriptor_ui":"D001172","descriptor_name":"Arthritis, Rheumatoid","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":true},{"descriptor_ui":"D001172","descriptor_name":"Arthritis, Rheumatoid","qualifier_ui":"Q000523","qualifier_name":"psychology","is_major_topic":false},{"descriptor_ui":"D002097","descriptor_name":"C-Reactive Protein","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007596","descriptor_name":"Joints","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011594","descriptor_name":"Psychometrics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011795","descriptor_name":"Surveys and Questionnaires","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012720","descriptor_name":"Severity of Illness Index","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1002/art.1780380612","doi":"https://doi.org/10.1002/art.1780380612","is_oa":false,"landing_page_url":"https://doi.org/10.1002/art.1780380612","pdf_url":null,"source":{"id":"https://openalex.org/S132787887","display_name":"Arthritis & Rheumatism","issn_l":"0004-3591","issn":["0004-3591","1529-0131"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Arthritis &amp; Rheumatism","raw_type":"journal-article"},{"id":"pmid:7779122","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/7779122","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Arthritis and rheumatism","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.9763000011444092}],"study_designs":[],"awards":[{"id":"https://openalex.org/G4389217067","display_name":"MULTIPURPOSE ARTHRITIS &MUSCULOSKELETAL DISEASES CENTER","funder_award_id":"P60AR036308","funder_id":"https://openalex.org/F4320337362","funder_display_name":"National Institute of Arthritis and Musculoskeletal and Skin Diseases"},{"id":"https://openalex.org/G4886417969","display_name":null,"funder_award_id":"AR-36308","funder_id":"https://openalex.org/F4320337362","funder_display_name":"National Institute of Arthritis and Musculoskeletal and Skin Diseases"}],"funders":[{"id":"https://openalex.org/F4320337362","display_name":"National Institute of Arthritis and Musculoskeletal and Skin Diseases","ror":"https://ror.org/006zn3t30"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1655360818","https://openalex.org/W1937766347","https://openalex.org/W1967095233","https://openalex.org/W1985004174","https://openalex.org/W2104482697","https://openalex.org/W2110241655","https://openalex.org/W2129024989","https://openalex.org/W2131563773","https://openalex.org/W2152348310","https://openalex.org/W2417874214","https://openalex.org/W2418850950","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2108428852","https://openalex.org/W1901079136","https://openalex.org/W1988634128","https://openalex.org/W2151922822","https://openalex.org/W3043420322","https://openalex.org/W2977252359","https://openalex.org/W2078821315","https://openalex.org/W3028097203","https://openalex.org/W2330399288","https://openalex.org/W2312801169"],"abstract_inverted_index":{"OBJECTIVE:":[0],"To":[1],"examine":[2],"the":[3,22,35,54,79,90],"psychometric":[4],"properties":[5],"and":[6,37,45,65,89,107,118],"construct":[7,46],"validity":[8],"of":[9,21,25,70,111],"a":[10,57,104],"self-administered":[11,109],"Rheumatoid":[12],"Arthritis":[13],"Disease":[14,26],"Activity":[15,27],"Index":[16],"(RADAI).":[17],"METHODS:":[18],"Five":[19],"items":[20],"Rapid":[23],"Assessment":[24],"in":[28,125],"Rheumatology":[29],"(RADAR)":[30],"questionnaire":[31],"were":[32],"aggregated":[33],"into":[34],"RADAI":[36,55,102],"assessed":[38],"for":[39,114],"their":[40],"factor":[41],"loading,":[42],"internal":[43,59],"consistency,":[44],"validity.":[47],"RESULTS:":[48],"In":[49],"55":[50],"patients":[51],"with":[52,67],"RA,":[53],"had":[56],"high":[58],"consistency":[60],"(Cronbach's":[61],"alpha":[62],"=":[63,74,84,95],"0.91)":[64],"correlated":[66],"physician's":[68],"assessment":[69],"disease":[71,112],"activity":[72,113],"(r":[73,83,94],"0.54,":[75,85],"P":[76,86,97],"<":[77,87,98],"0.01),":[78,88],"swollen":[80],"joint":[81],"count":[82],"C-reactive":[91],"protein":[92],"value":[93],"0.43,":[96],"0.01).":[99],"CONCLUSION:":[100],"The":[101],"is":[103],"highly":[105],"reliable":[106],"valid":[108],"measure":[110],"clinical,":[115],"health":[116],"services,":[117],"epidemiologic":[119],"research.":[120],"Its":[121],"sensitivity":[122],"to":[123],"change":[124],"longitudinal":[126],"studies":[127],"needs":[128],"further":[129],"study.":[130]},"counts_by_year":[{"year":2026,"cited_by_count":5},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":9},{"year":2020,"cited_by_count":12},{"year":2019,"cited_by_count":14},{"year":2018,"cited_by_count":9},{"year":2017,"cited_by_count":13},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":12},{"year":2014,"cited_by_count":9},{"year":2013,"cited_by_count":19},{"year":2012,"cited_by_count":17}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
