AI Article Synopsis
- The study explores how food insecurity relates to obesity, suggesting that those with food insecurity may overeat when food is readily available.
- Participants included 82 volunteers who underwent various assessments and then had unlimited access to a vending machine for three days to gauge their food intake.
- Results indicated that food-insecure individuals consumed significantly more calories and macronutrients compared to food-secure participants, highlighting a potential link between food availability and overeating as a factor in weight gain.
Article Abstract
Objective: The association between food insecurity and obesity may be partially explained by overeating in response to unpredictable food availability cycles. The aim of this study was to measure objective food intake in food-insecure individuals.
Methods: Eighty-two volunteers (53 m; BMI 29 ± 7; 38 ± 12 years) were admitted to our inpatient Clinical Research Unit and completed the Food Security Short Form, Three-Factor Eating Questionnaire, Gormally Binge Eating Scale, and body composition assessment (dual-energy x-ray absorptiometry). After 5 days of a weight-maintaining diet, participants self-selected food from an ad libitum vending machine paradigm for 3 days. Mean daily intake (kilocalories), macronutrient intake, and percentage of weight-maintaining energy needs (%WMEN) were calculated.
Results: Based on Food Security Short Form cutoffs, food-insecure participants (n = 46; 56%) had higher body weight (P = 0.04), fat-free mass (P = 0.05), disinhibition (P = 0.008), hunger (P = 0.02), and binge-eating scores (P = 0.02) but not cognitive restraint (P = 0.37) compared with food-secure individuals. They overate more kilocalories (P = 0.001), %WMEN (P = 0.003), fat (P = 0.003), and carbohydrates (P = 0.004) during the vending machine paradigm, continued to increase their hourly rate of kilocalories (group × time; β = 37.7 cumulative kcal/h; P < 0.0001), and ate more total kilocalories across the 72 hours (β = 47.09 kcal/h; P = 0.003).
Conclusions: Food insecurity may amplify susceptibility to weight gain via overeating during times of unlimited food access.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6249092 | PMC |
| http://dx.doi.org/10.1002/oby.22305 | DOI Listing |
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