{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Hayek R"],"funding":["NIA NIH HHS"],"pagination":["glaf205"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12596487"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["80(12)"],"pubmed_abstract":["<h4>Background</h4>Mobility decline often begins in midlife, and early identification of individuals at risk of accelerated deterioration can enable timely prevention. However, there is no validated self-report instrument that specifically assesses mobility in the middle-aged population.<h4>Methods</h4>The Mobility in Middle-Age Questionnaire (MMQ) was developed through a 7-step Delphi process, consisting of 10 experts, involving item selection and content validation in both English and Hebrew, comprising 2 factors: (1) Current Mobility Ability and (2) 1-Year Mobility Change. Psychometric properties were assessed in 610 US and 594 Israeli middle-aged adults. Analyses included internal consistency, test-retest reliability, structural and construct validity (using the 10-item Physical Functi"],"journal":["The journals of gerontology. Series A, Biological sciences and medical sciences"],"pubmed_title":["Development and validation of the mobility in middle-age questionnaire."],"pmcid":["PMC12596487"],"funding_grant_id":["R01 AG071730"],"pubmed_authors":["Covinsky K","Hoffman JR","Nudelman Y","Saad O","Hayek R","Springer S","Krautner G","Brown RT","Bean JF","Yogev-Seligmann G","Karvonen-Gutierrez CA","Azmon M","Guralnik JM"],"additional_accession":[]},"is_claimable":false,"name":"Development and validation of the mobility in middle-age questionnaire.","description":"<h4>Background</h4>Mobility decline often begins in midlife, and early identification of individuals at risk of accelerated deterioration can enable timely prevention. However, there is no validated self-report instrument that specifically assesses mobility in the middle-aged population.<h4>Methods</h4>The Mobility in Middle-Age Questionnaire (MMQ) was developed through a 7-step Delphi process, consisting of 10 experts, involving item selection and content validation in both English and Hebrew, comprising 2 factors: (1) Current Mobility Ability and (2) 1-Year Mobility Change. Psychometric properties were assessed in 610 US and 594 Israeli middle-aged adults. Analyses included internal consistency, test-retest reliability, structural and construct validity (using the 10-item Physical Functi","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Nov","modification":"2026-06-06T13:28:28.664Z","creation":"2026-05-31T03:07:19.758Z"},"accession":"S-EPMC12596487","cross_references":{"pubmed":["41017642"],"doi":["10.1093/gerona/glaf205"]}}