{"id":"https://openalex.org/W7215977310","doi":"https://doi.org/10.64898/2026.09.30.26364444","title":"Psychometric properties of the Alimetry Gut-Brain Wellbeing Survey-II: A revised, unidirectional mental health scale for patients with chronic gastroduodenal symptoms","display_name":"Psychometric properties of the Alimetry Gut-Brain Wellbeing Survey-II: A revised, unidirectional mental health scale for patients with chronic gastroduodenal symptoms","publication_year":2026,"publication_date":"2026-10-02","ids":{"openalex":"https://openalex.org/W7215977310","doi":"https://doi.org/10.64898/2026.09.30.26364444"},"language":"en","primary_location":{"id":"doi:10.64898/2026.09.30.26364444","doi":"https://doi.org/10.64898/2026.09.30.26364444","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.09.30.26364444","pdf_url":"https://www.medrxiv.org/content/medrxiv/early/2026/10/02/2026.09.30.26364444.full.pdf","source":{"id":"https://openalex.org/S3005729997","display_name":"medRxiv","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":["https://openalex.org/P4310315909"],"host_organization_lineage_names":["Cold Spring Harbor Laboratory Press"],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"medRxiv","raw_type":"posted-content"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.medrxiv.org/content/medrxiv/early/2026/10/02/2026.09.30.26364444.full.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5074936551","display_name":"Mikaela Law","orcid":"https://orcid.org/0000-0002-6667-6076","observed_orcids":["https://orcid.org/0000-0002-6667-6076"]},"institutions":[{"id":"https://openalex.org/I154130895","display_name":"University of Auckland","ror":"https://ror.org/03b94tp07","country_code":"NZ","type":"education","lineage":["https://openalex.org/I154130895"]}],"countries":["NZ"],"is_corresponding":true,"raw_author_name":"Mikaela Law","raw_affiliation_strings":["Alimetry Ltd., Auckland, New Zealand","The Department of Surgery, The University of Auckland, New Zealand"],"raw_orcid":"https://orcid.org/0000-0002-6667-6076","affiliations":[{"raw_affiliation_string":"Alimetry Ltd., Auckland, New Zealand","institution_ids":[]},{"raw_affiliation_string":"The Department of Surgery, The University of Auckland, New Zealand","institution_ids":["https://openalex.org/I154130895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017602745","display_name":"Isabella Pickering","orcid":"https://orcid.org/0000-0001-7060-6065","observed_orcids":["https://orcid.org/0000-0001-7060-6065"]},"institutions":[{"id":"https://openalex.org/I154130895","display_name":"University of Auckland","ror":"https://ror.org/03b94tp07","country_code":"NZ","type":"education","lineage":["https://openalex.org/I154130895"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Isabella Pickering","raw_affiliation_strings":["Alimetry Ltd., Auckland, New Zealand","The Department of Psychological Medicine, The University of Auckland, New Zealand"],"raw_orcid":"https://orcid.org/0000-0001-7060-6065","affiliations":[{"raw_affiliation_string":"Alimetry Ltd., Auckland, New Zealand","institution_ids":[]},{"raw_affiliation_string":"The Department of Psychological Medicine, The University of Auckland, New Zealand","institution_ids":["https://openalex.org/I154130895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054462593","display_name":"Gabriel Schamberg","orcid":"https://orcid.org/0000-0002-4188-9614","observed_orcids":["https://orcid.org/0000-0002-4188-9614"]},"institutions":[{"id":"https://openalex.org/I154130895","display_name":"University of Auckland","ror":"https://ror.org/03b94tp07","country_code":"NZ","type":"education","lineage":["https://openalex.org/I154130895"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Gabriel Schamberg","raw_affiliation_strings":["Alimetry Ltd., Auckland, New Zealand","The Department of Surgery, The University of Auckland, New Zealand"],"raw_orcid":"https://orcid.org/0000-0002-4188-9614","affiliations":[{"raw_affiliation_string":"Alimetry Ltd., Auckland, New Zealand","institution_ids":[]},{"raw_affiliation_string":"The Department of Surgery, The University of Auckland, New Zealand","institution_ids":["https://openalex.org/I154130895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067676752","display_name":"Charlotte Daker","orcid":"https://orcid.org/0000-0001-5218-5973","observed_orcids":["https://orcid.org/0000-0001-5218-5973"]},"institutions":[{"id":"https://openalex.org/I4210100373","display_name":"Waitemata District Health Board","ror":"https://ror.org/0113yba25","country_code":"NZ","type":"healthcare","lineage":["https://openalex.org/I4210100373","https://openalex.org/I4405259026"]},{"id":"https://openalex.org/I4405259026","display_name":"Health New Zealand","ror":"https://ror.org/01jvwvd85","country_code":"NZ","type":"healthcare","lineage":["https://openalex.org/I4405259026"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Charlotte Daker","raw_affiliation_strings":["Alimetry Ltd., Auckland, New Zealand","The Department of Gastroenterology, Te Whatu Ora - Waitemat\u0101, New Zealand"],"raw_orcid":"https://orcid.org/0000-0001-5218-5973","affiliations":[{"raw_affiliation_string":"Alimetry Ltd., Auckland, New Zealand","institution_ids":[]},{"raw_affiliation_string":"The Department of Gastroenterology, Te Whatu Ora - Waitemat\u0101, New Zealand","institution_ids":["https://openalex.org/I4210100373","https://openalex.org/I4405259026"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064863592","display_name":"Armen A. Gharibans","orcid":"https://orcid.org/0000-0002-9139-4740","observed_orcids":["https://orcid.org/0000-0002-9139-4740"]},"institutions":[{"id":"https://openalex.org/I154130895","display_name":"University of Auckland","ror":"https://ror.org/03b94tp07","country_code":"NZ","type":"education","lineage":["https://openalex.org/I154130895"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Armen Gharibans","raw_affiliation_strings":["Alimetry Ltd., Auckland, New Zealand","Auckland Bioengineering Institute, The University of Auckland, New Zealand","The Department of Surgery, The University of Auckland, New Zealand"],"raw_orcid":"https://orcid.org/0000-0002-9139-4740","affiliations":[{"raw_affiliation_string":"Alimetry Ltd., Auckland, New Zealand","institution_ids":[]},{"raw_affiliation_string":"Auckland Bioengineering Institute, The University of Auckland, New Zealand","institution_ids":["https://openalex.org/I154130895"]},{"raw_affiliation_string":"The Department of Surgery, The University of Auckland, New Zealand","institution_ids":["https://openalex.org/I154130895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000581854","display_name":"Gregory O\u2019Grady","orcid":"https://orcid.org/0000-0002-5998-1080","observed_orcids":["https://orcid.org/0000-0002-5998-1080"]},"institutions":[{"id":"https://openalex.org/I154130895","display_name":"University of Auckland","ror":"https://ror.org/03b94tp07","country_code":"NZ","type":"education","lineage":["https://openalex.org/I154130895"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Greg O\u2019Grady","raw_affiliation_strings":["Alimetry Ltd., Auckland, New Zealand","Auckland Bioengineering Institute, The University of Auckland, New Zealand","The Department of Surgery, The University of Auckland, New Zealand"],"raw_orcid":"https://orcid.org/0000-0002-5998-1080","affiliations":[{"raw_affiliation_string":"Alimetry Ltd., Auckland, New Zealand","institution_ids":[]},{"raw_affiliation_string":"Auckland Bioengineering Institute, The University of Auckland, New Zealand","institution_ids":["https://openalex.org/I154130895"]},{"raw_affiliation_string":"The Department of Surgery, The University of Auckland, New Zealand","institution_ids":["https://openalex.org/I154130895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049852915","display_name":"Christopher N. Andrews","orcid":"https://orcid.org/0000-0002-2869-4396","observed_orcids":["https://orcid.org/0000-0002-2869-4396","https://orcid.org/0000-0003-2084-6639"]},"institutions":[{"id":"https://openalex.org/I168635309","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Christopher N. Andrews","raw_affiliation_strings":["Alimetry Ltd., Auckland, New Zealand","The Division of Gastroenterology, Cumming School of Medicine, University of Calgary, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Alimetry Ltd., Auckland, New Zealand","institution_ids":[]},{"raw_affiliation_string":"The Division of Gastroenterology, Cumming School of Medicine, University of Calgary, Canada","institution_ids":["https://openalex.org/I168635309"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013965659","display_name":"Stefan S. Calder","orcid":"https://orcid.org/0000-0002-5855-1732","observed_orcids":["https://orcid.org/0000-0002-5855-1732"]},"institutions":[{"id":"https://openalex.org/I154130895","display_name":"University of Auckland","ror":"https://ror.org/03b94tp07","country_code":"NZ","type":"education","lineage":["https://openalex.org/I154130895"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Stefan Calder","raw_affiliation_strings":["Alimetry Ltd., Auckland, New Zealand","The Department of Surgery, The University of Auckland, New Zealand"],"raw_orcid":"https://orcid.org/0000-0002-5855-1732","affiliations":[{"raw_affiliation_string":"Alimetry Ltd., Auckland, New Zealand","institution_ids":[]},{"raw_affiliation_string":"The Department of Surgery, The University of Auckland, New Zealand","institution_ids":["https://openalex.org/I154130895"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5074936551"],"corresponding_institution_ids":["https://openalex.org/I154130895"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10467","display_name":"Psychometric Methodologies and Testing","score":0.3878999948501587,"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"}},"topics":[{"id":"https://openalex.org/T10467","display_name":"Psychometric Methodologies and Testing","score":0.3878999948501587,"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"}},{"id":"https://openalex.org/T10365","display_name":"Gastrointestinal motility and disorders","score":0.30709999799728394,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/T10853","display_name":"Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes","score":0.13920000195503235,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/mental-health-assessment","display_name":"mental health assessment","score":0.6740000247955322},{"id":"https://openalex.org/keywords/psychometric-validation","display_name":"psychometric validation","score":0.7149999737739563},{"id":"https://openalex.org/keywords/scale-revision","display_name":"scale revision","score":0.7139999866485596},{"id":"https://openalex.org/keywords/depression","display_name":"depression","score":0.8379999995231628},{"id":"https://openalex.org/keywords/anxiety","display_name":"anxiety","score":0.8220000267028809},{"id":"https://openalex.org/keywords/stress","display_name":"stress","score":0.9369999766349792},{"id":"https://openalex.org/keywords/factor-structure","display_name":"factor structure","score":0.6069999933242798},{"id":"https://openalex.org/keywords/reliability-and-validity","display_name":"reliability and validity","score":0.6000000238418579}],"concepts":[{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.6958000063896179},{"id":"https://openalex.org/C40722632","wikidata":"https://www.wikidata.org/wiki/Q5160137","display_name":"Confirmatory factor analysis","level":3,"score":0.6377000212669373},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.6359000205993652},{"id":"https://openalex.org/C70410870","wikidata":"https://www.wikidata.org/wiki/Q199906","display_name":"Clinical psychology","level":1,"score":0.605400025844574},{"id":"https://openalex.org/C558461103","wikidata":"https://www.wikidata.org/wiki/Q154430","display_name":"Anxiety","level":2,"score":0.5827000141143799},{"id":"https://openalex.org/C134362201","wikidata":"https://www.wikidata.org/wiki/Q317309","display_name":"Mental health","level":2,"score":0.539900004863739},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.5364000201225281},{"id":"https://openalex.org/C171606756","wikidata":"https://www.wikidata.org/wiki/Q506132","display_name":"Psychometrics","level":2,"score":0.49639999866485596},{"id":"https://openalex.org/C70364389","wikidata":"https://www.wikidata.org/wiki/Q18757","display_name":"Validity","level":3,"score":0.44780001044273376},{"id":"https://openalex.org/C198531522","wikidata":"https://www.wikidata.org/wiki/Q485146","display_name":"Sample (material)","level":2,"score":0.41190001368522644},{"id":"https://openalex.org/C198999979","wikidata":"https://www.wikidata.org/wiki/Q5159115","display_name":"Concurrent validity","level":4,"score":0.364300012588501},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.36329999566078186},{"id":"https://openalex.org/C20685875","wikidata":"https://www.wikidata.org/wiki/Q7239678","display_name":"Predictive validity","level":2,"score":0.3345000147819519},{"id":"https://openalex.org/C2909622525","wikidata":"https://www.wikidata.org/wiki/Q506132","display_name":"Psychometric testing","level":4,"score":0.3310999870300293},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.29760000109672546},{"id":"https://openalex.org/C71104824","wikidata":"https://www.wikidata.org/wiki/Q1476639","display_name":"Structural equation modeling","level":2,"score":0.28780001401901245},{"id":"https://openalex.org/C90963130","wikidata":"https://www.wikidata.org/wiki/Q6015484","display_name":"Incremental validity","level":4,"score":0.27239999175071716},{"id":"https://openalex.org/C182050348","wikidata":"https://www.wikidata.org/wiki/Q5186576","display_name":"Criterion validity","level":4,"score":0.27239999175071716},{"id":"https://openalex.org/C116211729","wikidata":"https://www.wikidata.org/wiki/Q5372350","display_name":"Test validity","level":3,"score":0.2565000057220459}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.64898/2026.09.30.26364444","doi":"https://doi.org/10.64898/2026.09.30.26364444","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.09.30.26364444","pdf_url":"https://www.medrxiv.org/content/medrxiv/early/2026/10/02/2026.09.30.26364444.full.pdf","source":{"id":"https://openalex.org/S3005729997","display_name":"medRxiv","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":["https://openalex.org/P4310315909"],"host_organization_lineage_names":["Cold Spring Harbor Laboratory Press"],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"medRxiv","raw_type":"posted-content"}],"best_oa_location":{"id":"doi:10.64898/2026.09.30.26364444","doi":"https://doi.org/10.64898/2026.09.30.26364444","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.09.30.26364444","pdf_url":"https://www.medrxiv.org/content/medrxiv/early/2026/10/02/2026.09.30.26364444.full.pdf","source":{"id":"https://openalex.org/S3005729997","display_name":"medRxiv","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":["https://openalex.org/P4310315909"],"host_organization_lineage_names":["Cold Spring Harbor Laboratory Press"],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"medRxiv","raw_type":"posted-content"},"sustainable_development_goals":[{"score":1.0,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7215977310.pdf","grobid_xml":"https://content.openalex.org/works/W7215977310.grobid-xml"},"referenced_works_count":21,"referenced_works":["https://openalex.org/W1996299251","https://openalex.org/W2026509081","https://openalex.org/W2043705607","https://openalex.org/W2054038059","https://openalex.org/W2066709094","https://openalex.org/W2132322340","https://openalex.org/W2152264416","https://openalex.org/W2153894404","https://openalex.org/W2203427896","https://openalex.org/W2344812785","https://openalex.org/W2344997643","https://openalex.org/W2345655271","https://openalex.org/W2594572760","https://openalex.org/W3016136018","https://openalex.org/W3212241484","https://openalex.org/W3217190616","https://openalex.org/W4312067827","https://openalex.org/W4361286003","https://openalex.org/W4400414384","https://openalex.org/W4401682567","https://openalex.org/W4412676084"],"related_works":["https://openalex.org/W4400414384","https://openalex.org/W4411080144","https://openalex.org/W4387750280","https://openalex.org/W4411998605","https://openalex.org/W1995378011","https://openalex.org/W4409759030","https://openalex.org/W7131795617","https://openalex.org/W2141453282","https://openalex.org/W4392809383","https://openalex.org/W4391690541"],"abstract_inverted_index":{"Abstract":[0],"Objective":[1],"The":[2,59,107,162],"Alimetry":[3],"Gut-Brain":[4],"Wellbeing":[5],"(AGBW)":[6],"Survey":[7],"is":[8],"a":[9,46,74,185],"validated":[10],"10-item":[11],"scale":[12,27,52,103],"developed":[13],"to":[14,39,54],"assess":[15],"mental":[16,190],"health":[17,191],"in":[18,73,125],"patients":[19,78,194],"with":[20,79,94,153,195],"chronic":[21,80,196],"gastroduodenal":[22,81,197],"symptoms.":[23,82,198],"While":[24],"the":[25,51,63,97,101,119,126,131,143,147,154,173,178,182],"original":[26,102,120,179],"demonstrated":[28,113,166],"strong":[29],"psychometric":[30,60,175],"properties":[31,61,176],"overall,":[32],"as":[33],"part":[34],"of":[35,50,62,76,100,130,177],"an":[36,69],"ongoing":[37],"commitment":[38],"continuous":[40],"instrument":[41],"optimization,":[42],"this":[43],"study":[44,99],"evaluated":[45,67],"revised,":[47,163],"unidirectional":[48,164],"version":[49],"(AGBW-II)":[53],"enhance":[55],"measurement":[56],"precision.":[57],"Methods":[58],"revised":[64],"AGBW-II":[65,108,155,165,183],"were":[66,90,134],"via":[68],"anonymous":[70],"online":[71],"questionnaire":[72],"sample":[75],"161":[77],"Score":[83],"distributions,":[84],"factor":[85,140],"analysis,":[86],"reliability,":[87],"and":[88,92,110,116,128,150,169,188],"validity":[89,129],"analyzed":[91],"compared":[93],"data":[95],"from":[96],"validation":[98],"(n=":[104],"311).":[105],"Results":[106],"total":[109],"subscale":[111,133],"scores":[112],"robust":[114],"reliability":[115,127,168],"validity,":[117,170],"outperforming":[118],"AGBW":[121],"Survey.":[122],"Notable":[123],"improvements":[124],"stress":[132],"observed":[135],"following":[136],"item":[137],"rewording.":[138],"Confirmatory":[139],"analysis":[141],"verified":[142],"three-factor":[144],"model":[145,158],"separating":[146],"depression,":[148],"stress,":[149],"anxiety":[151],"subscales,":[152],"showing":[156],"improved":[157,167],"fit":[159],"indices.":[160],"Conclusions":[161],"while":[171],"maintaining":[172],"underlying":[174],"scale.":[180],"Consequently,":[181],"provides":[184],"reliable,":[186],"valid,":[187],"brief":[189],"assessment":[192],"for":[193]},"counts_by_year":[],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2026-10-03T00:00:00"}
