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    Adaptation and validation of the Nigerian (IGBO) version of the WHOQOL-OLD module

    Gebrye, Tadesse ORCID logoORCID: https://orcid.org/0000-0001-7976-2013, Okoye, Emmanuel Ch, Akosile, Christopher O, Onwuakagba, Ifeoma U, Uwakwe, Uwakwe, Igweze, Chibueze Ch, Chukwuma, Victoria Ch and Fatoye, Francis (2022) Adaptation and validation of the Nigerian (IGBO) version of the WHOQOL-OLD module. Research on Social Work Practice. ISSN 1049-7315

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    Objective: To adapt and validate the original English version of the World Health Organization Quality of Life Questionnaire-version for older adults (WHOQOL-OLD) in Igbo language, culture, and environment. Participants: Community-dwelling older adults (≥65 years) from Nnewi community in Nigeria. Methods: This was a cross-cultural adaptation and validation study. The original English version of the WHOQOL-OLD was translated into Igbo language, synthesized, backward translated into the English language, subjected to expert panel review, and pretested. The Igbo and English versions of the WHOQOL-OLD were then used to assess the quality of life among consecutively recruited 109 older adults through interviewer-administration. Findings: The structure of the Igbo version of the WHOQOL-OLD differed from that of the original WHOQOL-OLD. The Igbo version of the WHOQOL-OLD displayed acceptable internal consistency (0.63–0.95), known-group validity (0.60–0.99), convergent validity, and ceiling and floor effects. Conclusion: The I-WHOQOL-OLD is a reliable and valid tool and thus can be used as an outcome measure among Igbo-speaking older adults.

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