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Sociodemographic differences in self-reported exposure to high fat, salt and sugar food and drink advertising: a cross-sectional analysis of 2019 UK panel data

Lookup NU author(s): Amelia Lake

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


Abstract

Objectives To explore sociodemographic differences in exposure to advertising for foods and drinks high in fat, salt and sugar (HFSS) and whether exposure is associated with body mass index (BMI).Design Cross-sectional survey.Setting UK.Participants 1552 adults recruited to the Kantar Fast Moving Consumer Goods panel for London and the North of England.Outcome measures Self-reported advertising exposure stratified by product/service advertised (processed HFSS foods; sugary drinks; sugary cereals; sweet snacks; fast food or digital food delivery services) and advertising setting (traditional; digital; recreational; functional or transport); BMI and sociodemographic characteristics.Results Overall, 84.7% of participants reported exposure to HFSS advertising in the past 7 days. Participants in the middle (vs high) socioeconomic group had higher odds of overall self-reported exposure (OR 1.48; 95% CI 1.06 to 2.07). Participants in the low (vs high) socioeconomic group had higher odds of reporting exposure to advertising for three of five product categories (ORs ranging from 1.41 to 1.67), advertising for digital food delivery services (OR 1.47; 95% CI 1.05 to 2.05), traditional advertising (OR 1.44; 95% CI 1.00 to 2.08) and digital advertising (OR 1.50; 95% CI 1.06 to 2.14). Younger adults (18–34 years vs ≥65 years) had higher odds of reporting exposure to advertising for digital food delivery services (OR 2.08; 95% CI 1.20 to 3.59), digital advertising (OR 3.93; 95% CI 2.18 to 7.08) and advertising across transport networks (OR 1.96; 95% CI 1.11 to 3.48). Exposure to advertising for digital food delivery services (OR 1.40; 95% CI 1.05 to 1.88), digital advertising (OR 1.80; 95% CI 1.33 to 2.44) and advertising in recreational environments (OR 1.46; 95% CI 1.02 to 2.09) was associated with increased odds of obesity.Conclusions Exposure to less healthy product advertising was prevalent, with adults in lower socioeconomic groups and younger adults more likely to report exposure. Broader restrictions may be needed to reduce sociodemographic differences in exposure to less healthy product advertising.


Publication metadata

Author(s): Yau A, Adams J, Boyland EJ, Burgoine T, Cornelsen L, de Vocht F, Egan M, Er V, Lake AA, Lock K, Mytton O, Petticrew M, Thompson C, White M, Cummins S

Publication type: Article

Publication status: Published

Journal: BMJ Open

Year: 2022

Volume: 11

Print publication date: 07/04/2021

Online publication date: 07/04/2021

Acceptance date: 24/03/2021

Date deposited: 20/06/2022

ISSN (electronic): 2044-6055

Publisher: BMJ Publishing Group

URL: https://doi.org/10.1136/bmjopen-2020-048139

DOI: 10.1136/bmjopen-2020-048139


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Funding

Funder referenceFunder name
087636/Z/08/Z
CEDAR
ES/G007462/1
MC/UU/12015/6
HDR-UK
MR/K023187/1
NIHR
SPHRNational Institute for Health Research (NIHR)
SPHRNational Institute for Health Research (NIHR)
SPHRNational Institute for Health Research (NIHR)
UKRI
UKCRC

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