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Changes in household food and drink purchases following restrictions on the advertisement of high fat, salt, and sugar products across the Transport for London network:A controlled interrupted time series analysis

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Τίτλος: Changes in household food and drink purchases following restrictions on the advertisement of high fat, salt, and sugar products across the Transport for London network:A controlled interrupted time series analysis
Συγγραφείς: Yau, Amy, Berger, Nicolas, Law, Cherry, Cornelsen, Laura, Greener, Robert, Adams, Jean, Boyland, Emma J, Burgoine, Thomas, de Vocht, Frank, Egan, Matt, Er, Vanessa, Lake, Amelia A, Lock, Karen, Mytton, Oliver, Petticrew, Mark, Thompson, Claire, White, Martin, Cummins, Steven
Πηγή: Yau, A, Berger, N, Law, C, Cornelsen, L, Greener, R, Adams, J, Boyland, E J, Burgoine, T, de Vocht, F, Egan, M, Er, V, Lake, A A, Lock, K, Mytton, O, Petticrew, M, Thompson, C, White, M & Cummins, S 2022, 'Changes in household food and drink purchases following restrictions on the advertisement of high fat, salt, and sugar products across the Transport for London network : A controlled interrupted time series analysis', PLOS Medicine, vol. 19, no. 2, e1003915. https://doi.org/10.1371/journal.pmed.1003915
Έτος έκδοσης: 2022
Συλλογή: University of Bristol: Bristol Reserach
Θεματικοί όροι: Adult, Advertising/economics, Aged, Beverages/economics, Consumer Behavior/economics, Diet, High-Fat/economics, Dietary Fats/economics, Dietary Sugars/economics, Economics/legislation & jurisprudence, Female, Humans, Interrupted Time Series Analysis/methods, London, Male, Middle Aged, Sodium Chloride, Dietary/economics, Sugars/economics
Περιγραφή: BACKGROUND: Restricting the advertisement of products with high fat, salt, and sugar (HFSS) content has been recommended as a policy tool to improve diet and tackle obesity, but the impact on HFSS purchasing is unknown. This study aimed to evaluate the impact of HFSS advertising restrictions, implemented across the London (UK) transport network in February 2019, on HFSS purchases. METHODS AND FINDINGS: Over 5 million take-home food and drink purchases were recorded by 1,970 households (London [intervention], n = 977; North of England [control], n = 993) randomly selected from the Kantar Fast Moving Consumer Goods panel. The intervention and control samples were similar in household characteristics but had small differences in main food shopper sex, socioeconomic position, and body mass index. Using a controlled interrupted time series design, we estimated average weekly household purchases of energy and nutrients from HFSS products in the post-intervention period (44 weeks) compared to a counterfactual constructed from the control and pre-intervention (36 weeks) series. Energy purchased from HFSS products was 6.7% (1,001.0 kcal, 95% CI 456.0 to 1,546.0) lower among intervention households compared to the counterfactual. Relative reductions in purchases of fat (57.9 g, 95% CI 22.1 to 93.7), saturated fat (26.4 g, 95% CI 12.4 to 40.4), and sugar (80.7 g, 95% CI 41.4 to 120.1) from HFSS products were also observed. Energy from chocolate and confectionery purchases was 19.4% (317.9 kcal, 95% CI 200.0 to 435.8) lower among intervention households than for the counterfactual, with corresponding relative reductions in fat (13.1 g, 95% CI 7.5 to 18.8), saturated fat (8.7 g, 95% CI 5.7 to 11.7), sugar (41.4 g, 95% CI 27.4 to 55.4), and salt (0.2 g, 95% CI 0.1 to 0.2) purchased from chocolate and confectionery. Relative reductions are in the context of secular increases in HFSS purchases in both the intervention and control areas, so the policy was associated with attenuated growth of HFSS purchases rather than absolute ...
Τύπος εγγράφου: article in journal/newspaper
Περιγραφή αρχείου: application/pdf
Γλώσσα: English
Relation: info:eu-repo/semantics/altIdentifier/pmid/35176022; info:eu-repo/semantics/altIdentifier/hdl/https://hdl.handle.net/1983/d7df9e7a-70b7-4805-bf10-f40998c74912
DOI: 10.1371/journal.pmed.1003915
Διαθεσιμότητα: https://hdl.handle.net/1983/d7df9e7a-70b7-4805-bf10-f40998c74912
https://research-information.bris.ac.uk/en/publications/d7df9e7a-70b7-4805-bf10-f40998c74912
https://doi.org/10.1371/journal.pmed.1003915
https://research-information.bris.ac.uk/ws/files/317710716/journal.pmed.1003915.pdf
Rights: info:eu-repo/semantics/openAccess ; http://creativecommons.org/licenses/by/4.0/
Αριθμός Καταχώρησης: edsbas.B0F7260D
Βάση Δεδομένων: BASE
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  Data: Changes in household food and drink purchases following restrictions on the advertisement of high fat, salt, and sugar products across the Transport for London network:A controlled interrupted time series analysis
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  Data: Yau, A, Berger, N, Law, C, Cornelsen, L, Greener, R, Adams, J, Boyland, E J, Burgoine, T, de Vocht, F, Egan, M, Er, V, Lake, A A, Lock, K, Mytton, O, Petticrew, M, Thompson, C, White, M & Cummins, S 2022, 'Changes in household food and drink purchases following restrictions on the advertisement of high fat, salt, and sugar products across the Transport for London network : A controlled interrupted time series analysis', PLOS Medicine, vol. 19, no. 2, e1003915. https://doi.org/10.1371/journal.pmed.1003915
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  Data: BACKGROUND: Restricting the advertisement of products with high fat, salt, and sugar (HFSS) content has been recommended as a policy tool to improve diet and tackle obesity, but the impact on HFSS purchasing is unknown. This study aimed to evaluate the impact of HFSS advertising restrictions, implemented across the London (UK) transport network in February 2019, on HFSS purchases. METHODS AND FINDINGS: Over 5 million take-home food and drink purchases were recorded by 1,970 households (London [intervention], n = 977; North of England [control], n = 993) randomly selected from the Kantar Fast Moving Consumer Goods panel. The intervention and control samples were similar in household characteristics but had small differences in main food shopper sex, socioeconomic position, and body mass index. Using a controlled interrupted time series design, we estimated average weekly household purchases of energy and nutrients from HFSS products in the post-intervention period (44 weeks) compared to a counterfactual constructed from the control and pre-intervention (36 weeks) series. Energy purchased from HFSS products was 6.7% (1,001.0 kcal, 95% CI 456.0 to 1,546.0) lower among intervention households compared to the counterfactual. Relative reductions in purchases of fat (57.9 g, 95% CI 22.1 to 93.7), saturated fat (26.4 g, 95% CI 12.4 to 40.4), and sugar (80.7 g, 95% CI 41.4 to 120.1) from HFSS products were also observed. Energy from chocolate and confectionery purchases was 19.4% (317.9 kcal, 95% CI 200.0 to 435.8) lower among intervention households than for the counterfactual, with corresponding relative reductions in fat (13.1 g, 95% CI 7.5 to 18.8), saturated fat (8.7 g, 95% CI 5.7 to 11.7), sugar (41.4 g, 95% CI 27.4 to 55.4), and salt (0.2 g, 95% CI 0.1 to 0.2) purchased from chocolate and confectionery. Relative reductions are in the context of secular increases in HFSS purchases in both the intervention and control areas, so the policy was associated with attenuated growth of HFSS purchases rather than absolute ...
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