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Feasibility and acceptability of a Beverage Intervention for Hispanic Adults

The objective of this pilot study was to assess the feasibility and acceptability of a randomized, controlled beverage intervention in 50 obese Hispanic adults ages 18–64 over 8-weeks. Eligible participants were classified as obese, between the ages 18–64, self-identified as Hispanic, and were able to speak, read, and write in either English and/or Spanish. Study recruitment was completed August 2017. Upon the completion of baseline assessments, participants were randomized to either Mediterranean lemonade, Green Tea, or flavored water control. After completing a 2-week washout period, participants were asked to consume 32 oz. per day of study beverage for 6-weeks while avoiding all other sources of tea, lemonade, citrus, juice, and other sweetened beverages. Water was permissible. Primary outcomes were recruitment, retention, and acceptability of the intervention strategies. Our study also evaluated participant-reported tolerance and as an exploratory aim, assessed safety/toxicity-related to renal and/or liver function. Fasting blood samples were collected at baseline and 8-week intervals to assess the primary efficacy outcomes: total cholesterol, high-density lipoprotein (HDL), and low-density lipoprotein (LDL). Secondary outcomes include fasting glucose, hemoglobin A1c (HbA1c), and high-sensitivity C-reactive protein (hs-CRP). This project was sponsored by the University of Arizona Foundation Diabetes Development Fund. 

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