{"id":"https://openalex.org/W2107964433","doi":null,"title":"Reliability of physiological, psychological and cognitive variables in chronic fatigue syndrome and the role of graded exercise.","display_name":"Reliability of physiological, psychological and cognitive variables in chronic fatigue syndrome and the role of graded exercise.","publication_year":2005,"publication_date":"2005-12-01","ids":{"openalex":"https://openalex.org/W2107964433","mag":"2107964433","pmid":"https://pubmed.ncbi.nlm.nih.gov/24501561","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/3899663"},"language":"en","primary_location":{"id":"pmh:oai:europepmc.org:2900007","doi":null,"is_oa":true,"landing_page_url":"http://europepmc.org/articles/PMC3899663","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"","raw_type":"Text"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://europepmc.org/articles/PMC3899663","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061475110","display_name":"Karen Elizabeth Wallman","orcid":"https://orcid.org/0000-0002-9768-6736","observed_orcids":["https://orcid.org/0000-0002-9768-6736"]},"institutions":[{"id":"https://openalex.org/I177877127","display_name":"The University of Western Australia","ror":"https://ror.org/047272k79","country_code":"AU","type":"education","lineage":["https://openalex.org/I177877127"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Karen E Wallman","raw_affiliation_strings":["School of Human Movement and Exercise Science, The University of Western Australia , Crawely, Western Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Human Movement and Exercise Science, The University of Western Australia , Crawely, Western Australia","institution_ids":["https://openalex.org/I177877127"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025915740","display_name":"Alan R. Morton","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I177877127","display_name":"The University of Western Australia","ror":"https://ror.org/047272k79","country_code":"AU","type":"education","lineage":["https://openalex.org/I177877127"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Alan R Morton","raw_affiliation_strings":["School of Human Movement and Exercise Science, The University of Western Australia , Crawely, Western Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Human Movement and Exercise Science, The University of Western Australia , Crawely, Western Australia","institution_ids":["https://openalex.org/I177877127"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065596504","display_name":"Carm\u00e9l Goodman","orcid":"https://orcid.org/0000-0002-1571-9486","observed_orcids":["https://orcid.org/0000-0002-1571-9486"]},"institutions":[{"id":"https://openalex.org/I177877127","display_name":"The University of Western Australia","ror":"https://ror.org/047272k79","country_code":"AU","type":"education","lineage":["https://openalex.org/I177877127"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Carmel Goodman","raw_affiliation_strings":["School of Human Movement and Exercise Science, The University of Western Australia , Crawely, Western Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Human Movement and Exercise Science, The University of Western Australia , Crawely, Western Australia","institution_ids":["https://openalex.org/I177877127"]}]},{"author_position":"last","author":{"id":null,"display_name":"Robert Grove","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I177877127","display_name":"The University of Western Australia","ror":"https://ror.org/047272k79","country_code":"AU","type":"education","lineage":["https://openalex.org/I177877127"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Robert Grove","raw_affiliation_strings":["School of Human Movement and Exercise Science, The University of Western Australia , Crawely, Western Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Human Movement and Exercise Science, The University of Western Australia , Crawely, Western Australia","institution_ids":["https://openalex.org/I177877127"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I177877127"],"apc_list":null,"apc_paid":null,"fwci":0.1676,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.55160982,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"4","issue":"4","first_page":"463","last_page":"71"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11282","display_name":"Fibromyalgia and Chronic Fatigue Syndrome Research","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2738","display_name":"Psychiatry and Mental health"},"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/T11282","display_name":"Fibromyalgia and Chronic Fatigue Syndrome Research","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2738","display_name":"Psychiatry and Mental health"},"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/T11368","display_name":"Long-Term Effects of COVID-19","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T10084","display_name":"Musculoskeletal pain and rehabilitation","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/3612","display_name":"Physical Therapy, Sports Therapy and Rehabilitation"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/chronic-fatigue-syndrome","display_name":"chronic fatigue syndrome","score":1.0},{"id":"https://openalex.org/keywords/graded-exercise","display_name":"graded exercise","score":0.6909999847412109},{"id":"https://openalex.org/keywords/reliability-statistics","display_name":"reliability statistics","score":0.3799999952316284},{"id":"https://openalex.org/keywords/intraclass-correlation-coefficient","display_name":"intraclass correlation coefficient","score":0.8289999961853027},{"id":"https://openalex.org/keywords/mental-fatigue","display_name":"mental fatigue","score":0.8410000205039978},{"id":"https://openalex.org/keywords/physical-fatigue","display_name":"physical fatigue","score":1.0},{"id":"https://openalex.org/keywords/symptom-variability","display_name":"symptom variability","score":0.796999990940094},{"id":"https://openalex.org/keywords/physical-abilities","display_name":"physical abilities","score":0.4180000126361847},{"id":"https://openalex.org/keywords/cognitive-factors","display_name":"cognitive factors","score":0.5270000100135803},{"id":"https://openalex.org/keywords/psychological-factors","display_name":"psychological factors","score":0.890999972820282}],"concepts":[{"id":"https://openalex.org/C104709138","wikidata":"https://www.wikidata.org/wiki/Q1671540","display_name":"Intraclass correlation","level":3,"score":0.7855865955352783},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.6199962496757507},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.593172550201416},{"id":"https://openalex.org/C2779566273","wikidata":"https://www.wikidata.org/wiki/Q209733","display_name":"Chronic fatigue syndrome","level":2,"score":0.5830950736999512},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.581937313079834},{"id":"https://openalex.org/C2982735371","wikidata":"https://www.wikidata.org/wiki/Q9690","display_name":"Mental fatigue","level":2,"score":0.503837525844574},{"id":"https://openalex.org/C169900460","wikidata":"https://www.wikidata.org/wiki/Q2200417","display_name":"Cognition","level":2,"score":0.46370986104011536},{"id":"https://openalex.org/C70410870","wikidata":"https://www.wikidata.org/wiki/Q199906","display_name":"Clinical psychology","level":1,"score":0.32552915811538696},{"id":"https://openalex.org/C171606756","wikidata":"https://www.wikidata.org/wiki/Q506132","display_name":"Psychometrics","level":2,"score":0.2450045645236969},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.1930161714553833},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":6,"locations":[{"id":"pmh:oai:europepmc.org:2900007","doi":null,"is_oa":true,"landing_page_url":"http://europepmc.org/articles/PMC3899663","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"","raw_type":"Text"},{"id":"pmid:24501561","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/24501561","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":"Journal of sports science & medicine","raw_type":"Journal Article"},{"id":"pmh:oai:pubmedcentral.nih.gov:3899663","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC3899663/","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"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":"J Sports Sci Med","raw_type":"Text"},{"id":"pmh:oai:pure.atira.dk:publications/a1c597ca-f8e2-437b-93e6-1addc56ce826","doi":null,"is_oa":false,"landing_page_url":"https://research-repository.uwa.edu.au/en/publications/a1c597ca-f8e2-437b-93e6-1addc56ce826","pdf_url":null,"source":{"id":"https://openalex.org/S4306402492","display_name":"UWA Profiles and Research Repository (UWA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I177877127","host_organization_name":"The University of Western Australia","host_organization_lineage":["https://openalex.org/I177877127"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Wallman, K, Morton, A, Goodman, C & Grove, B 2005, 'Reliability of Physiological, Psychological and Cognitive Variables in Chronic Fatigue Syndrome and the Role of Graded Exercise', Journal of Sports Science and Medicine, vol. 4, no. 4, pp. 463-471.","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:doaj.org/article:47d9ba552bb94fe79961688558b838f3","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/47d9ba552bb94fe79961688558b838f3","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Journal of Sports Science and Medicine, Vol 4, Iss 4, Pp 463-471 (2005)","raw_type":"article"},{"id":"mag:2107964433","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/24501561","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":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":{"id":"pmh:oai:europepmc.org:2900007","doi":null,"is_oa":true,"landing_page_url":"http://europepmc.org/articles/PMC3899663","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"","raw_type":"Text"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":1.0,"display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/clinical-trial","display_name":"Clinical Trial"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W615580932","https://openalex.org/W781758611","https://openalex.org/W1513006351","https://openalex.org/W1562494307","https://openalex.org/W1576459577","https://openalex.org/W1965397897","https://openalex.org/W2004008756","https://openalex.org/W2004370078","https://openalex.org/W2014172727","https://openalex.org/W2018367966","https://openalex.org/W2020523123","https://openalex.org/W2027451332","https://openalex.org/W2033408498","https://openalex.org/W2036601018","https://openalex.org/W2038325950","https://openalex.org/W2041660097","https://openalex.org/W2058316903","https://openalex.org/W2059605330","https://openalex.org/W2062547500","https://openalex.org/W2069276504","https://openalex.org/W2092038234","https://openalex.org/W2098287790","https://openalex.org/W2112802342","https://openalex.org/W2114023632","https://openalex.org/W2138995305","https://openalex.org/W2144238436","https://openalex.org/W2147492078","https://openalex.org/W2150704745","https://openalex.org/W2166281097","https://openalex.org/W2177974532","https://openalex.org/W2246470217","https://openalex.org/W2259889920","https://openalex.org/W2467940705","https://openalex.org/W3022423921","https://openalex.org/W3102618885"],"related_works":["https://openalex.org/W1513006351","https://openalex.org/W2058192778","https://openalex.org/W2008925929","https://openalex.org/W2654368557","https://openalex.org/W2027451332","https://openalex.org/W2178123640","https://openalex.org/W7100205803","https://openalex.org/W2074158819","https://openalex.org/W4233616096","https://openalex.org/W2107610762"],"abstract_inverted_index":{"The":[0],"objective":[1],"of":[2,38,113,158,173,197,228,242,253,261],"this":[3,149],"study":[4,150],"was":[5,135],"to":[6,66,99,120,140,155,167,204,217,259],"assess":[7],"variability":[8],"in":[9,14,32,130,165,178,194,250],"symptoms":[10,122,157,219],"and":[11,22,53,67,87,109,126,160,175,220,231,238],"physical":[12,88,110,161,176,221,239],"capabilities":[13],"chronic":[15],"fatigue":[16,111,134,162,177,201,209,258],"syndrome":[17,210],"(CFS)":[18],"participants":[19],"both":[20,64],"before":[21],"after":[23,68,137],"a":[24,33,61,117,152,214,225],"graded":[25,40,138,246],"exercise":[26,41,139,192,247],"intervention.":[27],"Sixty-one":[28],"CFS":[29],"subjects":[30],"participated":[31],"12-week":[34,245],"randomized":[35],"controlled":[36],"trial":[37],"either":[39],"(n":[42,47],"=32)":[43],"or":[44],"relaxation/stretching":[45],"therapy":[46],"=":[48,124,145],"29).":[49],"Specific":[50],"physiological,":[51],"psychological":[52],"cognitive":[54,232],"variables":[55,95,233],"were":[56,74,97,112,241],"assessed":[57,75,96],"once":[58],"weekly":[59],"over":[60,224],"four-week":[62,226],"period":[63,227],"prior":[65],"the":[69,156,171,195,251],"intervention":[70,248],"period.":[71],"All":[72],"scores":[73,92,106,131,198,255],"for":[76,93,107,132,199,256],"reliability":[77],"using":[78,184],"an":[79,141],"intraclass":[80],"correlation":[81],"coefficient":[82],"(ICC).":[83],"Apart":[84],"from":[85,148,202],"mental":[86,108,133,159,174,200,237,257],"fatigue,":[89],"baseline":[90],"ICC":[91,254],"all":[94],"moderately":[98],"highly":[100],"reliable,":[101],"indicating":[102,116],"minimal":[103],"variability.":[104],"Baseline":[105],"questionable":[114,203,243],"reliability,":[115],"fluctuating":[118,215],"nature":[119,154,172,216],"these":[121,189],"(R1":[123,144],"0.64":[125],"0.60,":[127],"respectively).":[128],"Variability":[129],"reduced":[136],"acceptable":[142,205,262],"classification":[143],"0.76).":[146],"Results":[147],"support":[151],"variable":[153],"only.":[163],"Consequently,":[164],"order":[166],"more":[168],"accurately":[169],"report":[170,213],"CFS,":[179],"future":[180],"studies":[181],"should":[182],"consider":[183],"repeated-measures":[185],"analysis":[186],"when":[187],"assessing":[188],"symptoms.":[190],"Graded":[191],"resulted":[193,249],"reclassification":[196],"reliability.":[206,263],"Key":[207],"PointsChronic":[208],"sufferers":[211],"often":[212],"their":[218],"capabilities.Weekly":[222],"assessment":[223],"psychological,":[229],"physiological":[230],"demonstrated":[234],"that":[235,260],"only":[236],"fatigues":[240],"reliability.A":[244],"improvement":[252]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}
