Is food and drink advertising across various settings associated with dietary behaviours and intake among Australian adolescents? Findings from a national cross-sectional survey

IF 1.4 4区 医学 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Health Promotion Journal of Australia Pub Date : 2024-05-15 DOI:10.1002/hpja.872
Claudia Gascoyne, Maree Scully, Belinda Morley
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Abstract

Issue Addressed

The pervasive promotion of energy-dense, nutrient-poor food and drinks undermines efforts by adolescents and their parent/carers to maintain a nutritious diet during a crucial developmental period. This study examined the association between awareness of food and drink advertisements and adolescents' dietary behaviours and intake.

Methods

A sample of Australian secondary students aged 12–17 years (N = 8763) self-reported their awareness of food and drink advertisements across seven settings, whether they had tried a new product or asked a parent/carer to purchase a product they had seen advertised, and their consumption of various unhealthy food and drink types. Analyses used multilevel mixed-effects generalised linear models adjusted for school-level clustering, socio-demographic factors and television viewing.

Results

Students with higher advertising awareness were more likely to have tried a new product they had seen advertised (adjusted prevalence ratio [APR] = 1.62, 95% CI = 1.51–1.73, p < .001) and asked their parent/carer to buy an advertised product (APR = 1.62, 95% CI = 1.51–1.73, p < .001) at least once in the past month. As advertising awareness increased, so too did students' likelihood of reporting these dietary behaviours. A high unhealthy food intake was more commonly reported among students with higher advertising awareness (APR = 1.45, 95% CI = 1.32–1.58, p < .001), as was a high unhealthy drink intake (APR = 1.29, 95% CI = 1.18–1.42, p < .001).

Conclusions

Australian adolescents are vulnerable to the persuasive effects of food and drink marketing.

So What?

Greater restrictions on the way the food and drink industry can market their products to adolescents are needed to better support them in developing and maintaining positive dietary behaviours.

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各种环境下的食品和饮料广告是否与澳大利亚青少年的饮食行为和摄入量有关?全国横断面调查的结果。
解决的问题:高能量、低营养的食品和饮料广告无处不在,破坏了青少年及其父母/监护人在发育关键时期保持营养饮食的努力。本研究探讨了对食品和饮料广告的认识与青少年饮食行为和摄入量之间的关系:抽样调查了 12-17 岁的澳大利亚中学生(样本数 = 8763),他们自我报告了在七种情况下对食品和饮料广告的了解程度、是否尝试过新产品或要求父母/监护人购买他们在广告中看到的产品,以及他们对各种不健康食品和饮料的消费情况。分析采用多层次混合效应广义线性模型,并对学校聚类、社会人口因素和电视收视率进行了调整:结果:广告认知度较高的学生更有可能尝试他们看到过广告的新产品(调整流行率 [APR] = 1.62,95% CI = 1.51-1.73,P 结论:澳大利亚青少年容易受到广告的影响:澳大利亚青少年很容易受到食品和饮料营销的影响。所以呢?需要对食品和饮料行业向青少年推销产品的方式进行更严格的限制,以更好地帮助他们养成并保持积极的饮食行为。
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来源期刊
Health Promotion Journal of Australia
Health Promotion Journal of Australia PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH-
CiteScore
3.10
自引率
10.50%
发文量
115
期刊介绍: The purpose of the Health Promotion Journal of Australia is to facilitate communication between researchers, practitioners, and policymakers involved in health promotion activities. Preference for publication is given to practical examples of policies, theories, strategies and programs which utilise educational, organisational, economic and/or environmental approaches to health promotion. The journal also publishes brief reports discussing programs, professional viewpoints, and guidelines for practice or evaluation methodology. The journal features articles, brief reports, editorials, perspectives, "of interest", viewpoints, book reviews and letters.
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