Validity and reliability of work ability index (WAI) questionnaire among Iranian workers; a study in petrochemical and car manufacturing industries.

J Occup Health · 2019 · PMC6499439 · PMID 30866128

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a clear trendno p-value reported

6 One of the special features of the WAI is that by evaluating individuals’ WA periodically, it is possible to determine the period a worker can continue his/her professional activities, and with its successive follow‐up a clear trend of changes in their work ability can be obtained.

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