Weight change and workplace absenteeism in the HealthWorks study

Abstract

Objective: Little is known about the relationship between weight change and workplace absenteeism. The purpose of this study was to examine the degree to which weight change predicted 2-year absenteeism.

Methods: A longitudinal analysis of 1,228 employees enrolled in a worksite-randomized controlled trial was performed. Participants were all working adults in the Minneapolis, MN, area (USA).

Results: The final model indicated a significant interaction between weight change and baseline BMI. The difference in absenteeism ranged from (mean ± SE) 3.2 ± 1.2 days among healthy weight employees who maintained their weight to 6.6 ± 1.1 days among obese employees who gained weight (and slightly higher among healthy weight employees who lost weight). The adjusted model also indicated that participants who were male, not depressed, nonsmokers, and had lower baseline absenteeism had significantly less workplace absenteeism relative to participants who were female, depressed, smokers, and had higher baseline absenteeism.

Conclusion: Absenteeism was generally low in this sample, but healthy weight employees who maintained their body weight over 2 years had the fewest number of sick days. More research is needed in this area, but future workforce attendance interventions may be improved by focusing on the primary prevention of weight gain in healthy weight employees.

Trial registration: ClinicalTrials.gov NCT00708461.

Conflict of interest statement

Disclosure Statement

The authors have no conflicts of interest or funding disclosures to report related to this research.

Copyright © 2012 S. Karger GmbH, Freiburg.

Figures

Fig. 1

Least square adjusted mean workplace illness absence days by baseline body mass index and weight change categories (adjusted for baseline sex, smoking, depression, and absenteeism) over two years in the HealthWorks study (n = 1,228).