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Disseminating Evidence-Based Interventions in Small, Low-Wage Worksites: A Randomized Controlled Trial in King County, Washington (2014-2017).

Hannon PA, Hammerback K, Kohn MJ, Kava CM, Gary Chan KC, Parrish AT, Allen C, Helfrich CD, Mayotte C, Beresford SA, Harris JR. Disseminating Evidence-Based Interventions in Small, Low-Wage Worksites: A Randomized Controlled Trial in King County, Washington (2014-2017). American journal of public health. 2019 Dec 1; 109(12):1739-1746.

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Abstract:

To determine whether (1) participating in , and (2) adding wellness committees to increases worksites' evidence-based intervention (EBI) implementation. We developed to disseminate EBIs to small, low-wage worksites. From 2014 to 2017, we conducted a site-randomized trial in King County, Washington, with 68 small worksites (20-200 employees). We assigned worksites to 1 of 3 arms: , plus wellness committee (), or delayed control. At baseline, 15 months, and 24 months, we assessed worksites' EBI implementation on a 0% to 100% scale and employees' perceived support for their health behaviors. Postintervention EBI scores in both intervention arms ( and ) were significantly higher than in the control arm at 15 months (51%, 51%, and 23%, respectively) and at 24 months (33%, 37%, and 24%, respectively; < .001). Employees in the intervention arms perceived greater support for their health at 15 and 24 months than did employees in control worksites. is an effective strategy for disseminating EBIs to small worksites in low-wage industries. Future research should focus on scaling up , improving EBI maintenance, and measuring impact of these on health behavior.




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