Cultural Adaptation and Validation of a Malay Version of the Craig Hospital Inventory of Environmental Factors (CHIEF) Among Older Adults in Malaysia.

Abstract

The Craig Hospital Inventory of Environmental Factors (CHIEF) is a tool designed to assess and quantify the impact of environmental factors on an individual's functioning and social participation. In this study, we aim to culturally adapt the CHIEF from its original English version into the Malay language (M-CHIEF) and examine its validity and reliability among older adults in Malaysia. The original CHIEF was cross-culturally adapted into the Malay language following the published guidelines on cross-cultural adaptation of health questionnaires. Its content and convergent validity were assessed using the content validity index and correlation with participants' gait speed, respectively. The reliability of M-CHIEF was assessed for its internal consistency using Cronbach's coefficient alpha and Cohen's kappa and its test-retest reliability was assessed using intraclass correlation coefficients (ICCs). The M-CHIEF was rated with excellent content validity with a scale-level content validity index (S-CVI) of 0.86. Its internal consistency was demonstrated to be high with Cronbach's alpha of 0.84. The test-retest reliability at a two-week interval showed a stable score of the M-CHIEF and its subscales with an ICC value of 0.89. The M-CHIEF is deemed relevant for use among Malay speakers. It can function as an instrument to quantify the environmental barriers of an individual while considering broad environmental factors including policy, physical/ structural, work/school, attitude/support, and services/assistance.