Work Ability Index as tool to identify workers at risk of premature work exit.
The effects of work-related and individual factors on the Work Ability Index: a systematic review.
This paper assesses the test retest reliability of the Work Ability Index (WAI) in nursing workers. A self-administered questionnaire was applied twice to a group of 80 workers (nurses and nursing aides/assistants) at a public hospital in Rio de Janeiro, Brazil within an interval from seven to fifteen days
Psychometric properties of the Thai version of the work ability index (Thai WAI).
https://www.ncbi.nlm.nih.gov/pubmed/26084917Work ability index (WAI) and its association with psychosocial factors in one of the petrochemical industries in Iran.
https://www.ncbi.nlm.nih.gov/pubmed/22333439