Development and validation of the mobility in middle-age questionnaire.

ABSTRACT:

Background

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.

Methods

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

SUBMITTER: Hayek R 

PROVIDER: S-EPMC12596487 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature