Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

The Work Ability Index (WAI) in the Healthcare Sector. A Cross-Sectional/Retrospective Assessment of the Questionnaire

Version 1 : Received: 16 February 2024 / Approved: 19 February 2024 / Online: 19 February 2024 (16:03:42 CET)

A peer-reviewed article of this Preprint also exists.

Magnavita, N.; Meraglia, I.; Viti, G.; Borghese, L. The Work Ability Index (WAI) in the Healthcare Sector: A Cross-Sectional/Retrospective Assessment of the Questionnaire. Int. J. Environ. Res. Public Health 2024, 21, 349. Magnavita, N.; Meraglia, I.; Viti, G.; Borghese, L. The Work Ability Index (WAI) in the Healthcare Sector: A Cross-Sectional/Retrospective Assessment of the Questionnaire. Int. J. Environ. Res. Public Health 2024, 21, 349.

Abstract

The Work Ability Index (WAI) is the most widely used questionnaire for the self-assessment of working ability. Because of its different applications, shorter versions, and widespread use in healthcare activities, it is worthwhile assessing its characteristics. The WAI was distributed online among the workers of a healthcare company; the results were compared with data contained in the workers' personal health records and with absence registers. 340 out of 575 workers (59.1%) participated; 6.5% of them reported poor work ability. Exploratory factor analysis indicated that the one-factor version best described the characteristics of the WAI. The scores of the complete WAI, the shorter form without the list of diseases, and the minimal one-item version (WAS) had equal distribution and were significantly correlated. The WAI score was inversely related to age and significantly lower in women than in men, but it was higher in night workers than in colleagues due to the probable effect of selective factors. The WAI score was also correlated with absenteeism, but no differences were found between males and females in the average number of absences, suggesting that cultural or emotional factors influence the self-rating of the WAI. Workers tended to overreport illnesses in the online survey compared to data collected during occupational health checks. Musculoskeletal disorders were the most frequently reported illnesses (53%). Psychiatric illnesses affected 21% of workers and had the greatest impact on work ability. Multilevel ergonomic and human factor intervention seems to be needed to recover the working capacity of healthcare workers.

Keywords

disability management; total worker health; psychometrics; medical surveillance; health promotion; musculoskeletal disorders; psychiatric disorders; ageing; gender differences; night work

Subject

Public Health and Healthcare, Public, Environmental and Occupational Health

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