The Results of a 2-Year Randomized Trial of a Worksite Weight Management Intervention

Williams, Andrew E.; Stevens, Victor J.; Albright, Cheryl L.; Nigg, Claudio R.; Meenan, Richard T.; Vogt, Thomas M. (2014). The Results of a 2-Year Randomized Trial of a Worksite Weight Management Intervention. American journal of health promotion, 28(5), pp. 336-339. Sage 10.4278/ajhp.100127-ARB-29

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Purpose: We assessed the effectiveness of a worksite management intervention (the 3W program) for overweight and obese hotel employees.

Design: The program was tested in a 2-year cluster-randomized trial involving 30 hotels that employed nearly 12,000 individuals.

Setting: All participating hotels were on Oahu, Hawaii. The intervention was implemented within hotel worksites.

Subjects: Participants were included in the analysis if they had an initial body mass index (BMI) ≥ 25, were assessed at least twice, were not missing other data needed for the analysis, and did not switch to employment at a hotel in a different experimental condition. Of the 6519 employees we assessed, data from 1207 individuals (intervention: 598; control: 610) met these criteria and contributed to the analysis.

Intervention: The intervention had two components: (1) group meetings and (2) a workplace environment intervention.

Measures: Weight and waist to height ratio (WHtR) were measured at three annual assessments.

Analysis: The effect of the intervention on change in BMI and WHtR was estimated in hierarchical mixed regression models using full maximum likelihood to estimate model parameters.

Results: The effects on change in BMI and WHtR were in the expected direction but were not statistically significant.

Conclusion: The 3W program was not effective. The low intensity of the intervention may have contributed to its ineffectiveness.

Item Type:	Journal Article (Original Article)
Division/Institute:	07 Faculty of Human Sciences > Institute of Sport Science (ISPW)
UniBE Contributor:	Nigg, Claudio Renato
Subjects:	700 Arts > 790 Sports, games & entertainment
ISSN:	0890-1171
Publisher:	Sage
Language:	English
Submitter:	Marceline Brodmann
Date Deposited:	06 Mar 2024 12:31
Last Modified:	06 Mar 2024 12:31
Publisher DOI:	10.4278/ajhp.100127-ARB-29
PubMed ID:	24524385
URI:	https://boris.unibe.ch/id/eprint/193319