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Effectiveness of a worksite lifestyle intervention to reduce body mass index among farmworkers in California: a cluster randomized controlled trial
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9 2022
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Source: Public Health Nutr. 25(9):2651-2659
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Details:
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Alternative Title:Public Health Nutr
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Description:Objective
To evaluate the effectiveness of PASOS SALUDABLES, a culturally tailored lifestyle intervention to prevent obesity and diabetes among Latino farmworkers, when implemented at large scale in the worksite.
Design
This study was a two-arm parallel group, cluster randomized controlled trial (RCT), where participants received either a 12-session lifestyle intervention (intervention) or 6-session leadership training (control) at their worksite. The intervention was delivered by Promotoras in Spanish. All sessions were conducted at the worksites (ranches) during meal breaks. Blinded, trained research assistants collected sociodemographic and outcome data (i.e., body mass index [BMI] as primary outcome, and waist circumference, glycated hemoglobin [HbA1c], cholesterol and blood pressure, as secondary outcomes) at baseline and follow-up assessments (i.e., 3 months, 6 months, 1 year and 1.5 years).
Setting
Recruitment and intervention delivery occurred at 12 study ranches in Oxnard, California.
Participants
We enrolled farmworkers hired by a large berry grower company, who were ≥18 years old, spoke Spanish and were free of diabetes at screening.
Results
A total of 344 workers were enrolled in the intervention and 271 in the control group. The intervention resulted in attenuated increase of BMI over time; however, the difference in trend between groups was not significant (beta=−0.01 for slope difference, p=0.29). No significantly different trend by group was observed in secondary outcomes (p>0.27).
Conclusions
The worksite intervention, implemented during meal breaks, did not reduce BMI or other clinical indicators. Nevertheless, this study supports the feasibility of recruiting and engaging the Latino farmworker population in workplace health promotion interventions.
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Pubmed ID:35620920
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Pubmed Central ID:PMC9378459
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