Psychometric evaluation of the shorter version of expectation regarding aging instrument (ERA-12-Persian) among older adults in Iran

Abstract

Background: Aging perceptions and expectations influence health behaviors and outcomes in older adults. The Expectations Regarding Aging (ERA-12) instrument has been validated in Western populations, but limited studies have examined its psychometric properties in Asian contexts. As Iran faces rapid demographic aging, there is a need for culturally appropriate tools to assess aging expectations. This study aims to evaluate the psychometric properties of the Persian version of the ERA-12 among older adults in Iran. Methods: Convenience sampling method was used to collect data of 302 older adults in Iran. Psychometric properties of the ERA-12 were evaluated. Validity and reliability tests usin..