Validity and reliability of the Checklist for Habitual Physical Activity for people 75 years and older in Japan.

We finalised the CHaPA 11-item version as a valid and reliable instrument for assessing daily behaviours conducive to physical activity among individuals aged 75 years and older. We need to examine the methods and effectiveness of disseminating this checklist to ensure its utilisation as a resource for promoting healthy ageing and aiding older adults in maintaining active lifestyles.