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Physical activity equivalents for takeaway food: a new method for nutritional labelling

Published online by Cambridge University Press:  23 September 2015

I.G. Davies
Affiliation:
School of Education, Leisure & Sport Studies, Liverpool John Moores University, Liverpool, L17 6BD
L. Stevenson
Affiliation:
School of Education, Leisure & Sport Studies, Liverpool John Moores University, Liverpool, L17 6BD
M.J. Reeves
Affiliation:
School of Education, Leisure & Sport Studies, Liverpool John Moores University, Liverpool, L17 6BD
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Abstract

Type
Abstract
Copyright
Copyright © The Authors 2015 

Consumption of takeaway food is a public health concern, especially in relation to obesity and related diseases( Reference Jaworowska, Blackham and Davies 1 ). While the UK has postulated a standardised traffic light labelling system to address this problem( 2 ) the evidence remains equivocal( Reference Dodds, Wolfend and Chapman 3 ) and many takeaway establishments have not participated. Consumers generally misjudge the energy they consume and find calorie information difficult to interpret. This may be related to how caloric information is presented and evidence suggests that physical activity equivalents are effective in reducing point of purchase energy( Reference Bleich, Herring and Flagg 4 , Reference James, Adams-Huet and Shah 5 ). Therefore, the present study introduces the use of physical activity as an alternative method of presenting energy for takeaway food. Samples of takeaway meals (n = 717) were collected from small independent establishments and analysed for total energy by an accredited public analyst laboratory and converted to jogging hours using metabolic equivalent (METS)( Reference Ainsworth, Haskell and Whitt 6 ). Meal categories were compared using a one way ANOVA. Results revealed a high variability in mean hours of general jogging with significant differences between meal categories (p < 0·001, Figure 1). Pizza meals were the highest in jogging hours with up to 5 h per meal for females.

Figure 1. Mean hours of jogging for both males and females (means ± SD)

This current study presents evidence on takeaway food, not only showing high levels of physical activity requirements for energy expenditure but also offers an alternative method of presenting caloric information to consumers. Previous studies have found this concept to be effective in the USA( Reference Bleich, Herring and Flagg 4 , Reference James, Adams-Huet and Shah 5 ). Considering the lack of conclusive evidence on nutritional labelling in various formats, physical activity equivalents should be considered for future research to reduce energy intake in the fast and takeaway food industry where meals are excessively high in energy.

References

1. Jaworowska, A, Blackham, T, Davies, I.G., et al. (2013). Nutrition Reviews 71 (5), 310–18.CrossRefGoogle Scholar
3. Dodds, P, Wolfend, L, Chapman, K., et al. (2014). Appetite 73, 2330.CrossRefGoogle Scholar
4. Bleich, S.N., Herring, B.J., Flagg, D.D., et al. (2013). Am J Public Health 104 (12), 2417–24.CrossRefGoogle Scholar
5. James, A, Adams-Huet, B, & Shah, M (2014). Am J of Health Promotion (published head of press). Google Scholar
6. Ainsworth, B.E., Haskell, W.L., Whitt, M.C., et al. (2000). Medicine and science in sports and exercise 32 9; SUPP/1: S498S504.CrossRefGoogle Scholar
Figure 0

Figure 1. Mean hours of jogging for both males and females (means ± SD)