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The work ability index and single-item question: associations with sick leave, symptoms, and health - a prospective study of women on long-term sick leave

Journal article
Authors Linda Åhlström
Anna Grimby-Ekman
Mats Hagberg
Lotta Dellve
Published in Scandinavian Journal of Work, Environment & Health
Volume 36
Issue 5
Pages 404-412
ISSN 0355-3140
Publication year 2010
Published at Institute of Medicine, School of Public Health and Community Medicine
Pages 404-412
Language en
Keywords quality-of-life, rheumatoid-arthritis, cancer survivors, care workers, chronic pain, absence, employees, disability, employment, euroqol
Subject categories Medical and Health Sciences


OBJECTIVES: This study investigated the association between the work ability index (WAI) and the single-item question on work ability among women working in human service organizations (HSO) currently on long-term sick leave. It also examined the association between the WAI and the single-item question in relation to sick leave, symptoms, and health. Predictive values of the WAI, the changed WAI, the single-item question and the changed single-item question were investigated for degree of sick leave, symptoms, and health. METHODS: This cohort study comprised 324 HSO female workers on long-term (>60 days) sick leave, with follow-ups at 6 and 12 months. Participants responded to questionnaires. Data on work ability, sick leave, health, and symptoms were analyzed with regard to associations and predictability. Spearman correlation and mixed-model analysis were performed for repeated measurements over time. RESULTS: The study showed a very strong association between the WAI and the single-item question among all participants. Both the WAI and the single-item question showed similar patterns of associations with sick leave, health, and symptoms. The predictive value for the degree of sick leave and health-related quality of life (HRQoL) was strong for both the WAI and the single-item question, and slightly less strong for vitality, neck pain, both self-rated general and mental health, and behavioral and current stress. CONCLUSION: This study suggests that the single-item question on work ability could be used as a simple indicator for assessing the status and progress of work ability among women on long-term sick leave.

Page Manager: Webmaster|Last update: 9/11/2012

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