Abstract
BackgroundStudies have shown that the prevalence of overweight, obesity and diabetes are higher in the largely Hispanic, immigrant farmworker population in California. Though to date, few interventional studies have focused on these issues in this at-risk population. The objective of this paper is to describe the study design of a cluster randomized controlled trial aimed at evaluating the effectiveness of an obesity and diabetes work place intervention in an immigrant farm worker population.MethodsPASOS is an obesity and diabetes intervention program that will be implemented on ranches where immigrant farmworkers spend a considerable amount of time each day. This cluster randomized controlled study will enroll approximately 600 farmworkers. Using a uniform distribution for random number generation, ranches are randomized using a 1:1 ratio as either control or intervention. Baseline data will be taken from eligible participants and analyzed against data collected at the post-intervention, 6-month, 1-year, and 1.5-year follow-ups. The enrollment period is 1.5 years.DiscussionFew studies have been conducted that aim to evaluate the effectiveness of a worksite intervention for obesity and diabetes prevention in a largely Hispanic, farmworker population. This study has been tailored to this population in order to enhance the feasibility of implementation and retention. If successful in reducing obesity and increasing healthy lifestyle choices to reduce diabetes, this study design can be implemented on a larger scale.Trial registrationNCT02480244. Registered 24 June 2015.
Highlights
Introduction toPASOS and the five steps toward a healthy lifestyleUnderstanding the importance of having a healthy heart Body mass indexUnderstanding blood pressure and keeping it within healthy levelsLearning about diabetesUnderstanding diabetes and side effectsUnderstanding cholesterol and keeping it within healthy levelsChildren and overweight Healthy portionsChoosing healthy meals 1Review and Graduation guest speakers on various health topics, and leading group discussions on topics raised during the core intervention
Study design A cluster randomized trial (CRT) design is being used to evaluate the effectiveness of a worksite lifestyle intervention in producing changes in factors known to increase risk of obesity and diabetes [23]
Ranches allocated to the control group will receive no intervention but will be given the opportunity to attend other educational sessions, topics covered will not be the same as those covered in the intervention program and may include such topics as communication and conflict resolution geared towards farm workers
Summary
Introduction toPASOS and the five steps toward a healthy lifestyleUnderstanding the importance of having a healthy heart Body mass indexUnderstanding blood pressure and keeping it within healthy levelsLearning about diabetesUnderstanding diabetes and side effectsUnderstanding cholesterol and keeping it within healthy levelsChildren and overweight Healthy portionsChoosing healthy meals 1Review and Graduation guest speakers on various health topics, and leading group discussions on topics raised during the core intervention. Studies have shown that the prevalence of overweight, obesity and diabetes are higher in the largely Hispanic, immigrant farmworker population in California. Among Hispanic or Latinos aged 20 and over, the combined prevalence of overweight and obesity is 78.4%, markedly higher compared to the general population [7]. Latino populations in the U.S have high rates of Borelli et al BMC Public Health (2018) 18:849 diabetes and obesity, and face higher prevalence of metabolic syndrome and cardiovascular complications from these chronic diseases. Cardiovascular diseases are the leading cause of death of Latinos in the U.S [8] Among this population, type 2 diabetes develops at younger ages, with higher rates of complications and mortality, the higher prevalence is further compounded by lifestyle, socioeconomic, and cultural factors [9]
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