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. 2022 Jul 6;116(1):173-188.
doi: 10.1093/ajcn/nqac078.

Consumption of takeaway and delivery meals is associated with increased BMI and percent fat among UK Biobank participants

Ahmad A Albalawi  1   2 , Catherine Hambly  1 , John R Speakman  1   3   4
Affiliations

Consumption of takeaway and delivery meals is associated with increased BMI and percent fat among UK Biobank participants

Ahmad A Albalawi et al. Am J Clin Nutr. .

Abstract

Background: Consumption of meals bought from out-of-home sources is a suggested risk factor for obesity, but the supporting evidence is mixed.

Objectives: To investigate the association between consumption of different types of meals and BMI or percent body fat.

Methods: Data were from the UK Biobank in response to a "Type of Meals Eaten" survey, which specified the sources of the meals consumed over the previous 24 h. Because direction of causality is unknown, the data were analyzed with meal choice as the dependent variable first and then BMI as the dependent variable second.

Results: The total number of participants was 5197 (2841 women and 2356 men). Participants with higher BMI and percent body fat were more likely to report consuming takeaway and/or delivery meals, with prevalence ORs (95% CIs) of 2.12 (95% CI: 1.40, 3.22; Bonferroni P < 0.0001) for women's adjusted BMI, 1.95 (95% CI: 1.30, 2.93; Bonferroni P < 0.0001) for women's adjusted percent body fat, 1.65 (95% CI: 1.05, 2.59; Bonferroni P < 0.002) for men's adjusted BMI, and 1.41 (95% CI: 0.70, 2.84; Bonferroni P < 0.01) for men's adjusted percent body fat. As BMI and percent body fat increased, both men and women were increasingly less likely to report having consumed a home-cooked and prepared meal during the previous 24 h. Analyzing the data with BMI and percent body fat as the dependent variable showed that both unadjusted and adjusted BMI and percent body fat were higher in individuals reporting consumption of takeaway and delivery foods the previous day and lower in those consuming homecooked meals. The probability of having consumed a meal that was prepared and eaten at a restaurant and/or café was also associated with BMI and percent fat among men but not women.

Conclusions: Homecooked meals were more often consumed by those with low BMI and percent body fat, whereas delivery and takeaway meals were more often eaten by individuals with higher BMI. Consumption of fast-food/café meals was not consistently associated with BMI or percent body fat. The direction of causality in these associations cannot be inferred from this cross-sectional study.

Keywords: fast food; homemade meals; obesity; ready meals; takeaways; type of meals.

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Figures

FIGURE 1
FIGURE 1
Flowchart of inclusion and exclusion of participants.
FIGURE 2
FIGURE 2
Binary logistic regression analyses of the association between different types of meals and unadjusted body composition measures for women. (A–E) Unadjusted BMI. (F–J) Unadjusted percent body fat. N = 5197.
FIGURE 3
FIGURE 3
Binary logistic regression analyses of the association between different types of meals and unadjusted body composition measures for men. (A–E) Unadjusted BMI. (F–J) Unadjusted percent body fat. N = 5197.
FIGURE 4
FIGURE 4
Binary logistic regression analyses of the association between different types of meals and adjusted body composition measures for women. (A–E) Adjusted BMI. (F–J) Adjusted percent body fat. N = 5197.
FIGURE 5
FIGURE 5
Binary logistic regression analyses of the association between different types of meals and adjusted body composition measures for men. (A–E) Adjusted BMI. (F–J) Adjusted percent body fat. N = 5197.
FIGURE 6
FIGURE 6
Two-sample t test: unadjusted and adjusted BMI and percent body fat differences between participants who consumed a combination of meal types over 24 h compared with participants who only ate homecooked meals. N = 5197.
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