BackgroundOver the past three decades the global prevalence of childhood overweight and obesity has increased by 47%. Marketing of energy-dense nutrient-poor foods and beverages contributes to this worldwide increase. Previous research on food marketing to children largely uses self-report, reporting by parents, or third-party observation of children’s environments, with the focus mostly on single settings and/or media. This paper reports on innovative research, Kids’Cam, in which children wore cameras to examine the frequency and nature of everyday exposure to food marketing across multiple media and settings.MethodsKids’Cam was a cross-sectional study of 168 children (mean age 12.6 years, SD = 0.5) in Wellington, New Zealand. Each child wore a wearable camera on four consecutive days, capturing images automatically every seven seconds. Images were manually coded as either recommended (core) or not recommended (non-core) to be marketed to children by setting, marketing medium, and product category. Images in convenience stores and supermarkets were excluded as marketing examples were considered too numerous to count.ResultsOn average, children were exposed to non-core food marketing 27.3 times a day (95% CI 24.8, 30.1) across all settings. This was more than twice their average exposure to core food marketing (12.3 per day, 95% CI 8.7, 17.4). Most non-core exposures occurred at home (33%), in public spaces (30%) and at school (19%). Food packaging was the predominant marketing medium (74% and 64% for core and non-core foods) followed by signs (21% and 28% for core and non-core). Sugary drinks, fast food, confectionary and snack foods were the most commonly encountered non-core foods marketed. Rates were calculated using Poisson regression.ConclusionsChildren in this study were frequently exposed, across multiple settings, to marketing of non-core foods not recommended to be marketed to children. The study provides further evidence of the need for urgent action to reduce children’s exposure to marketing of unhealthy foods, and suggests the settings and media in which to act. Such action is necessary if the Commission on Ending Childhood Obesity’s vision is to be achieved.Electronic supplementary materialThe online version of this article (doi:10.1186/s12966-017-0570-3) contains supplementary material, which is available to authorized users.
This paper reports on a complex environmental approach to addressing 'wicked' health promotion problems devised to inform policy for enhancing food security and physical activity among Māori, Pacific and low-income people in New Zealand. This multi-phase research utilized literature reviews, focus groups, stakeholder workshops and key informant interviews. Participants included members of affected communities, policy-makers and academics. Results suggest that food security and physical activity 'emerge' from complex systems. Key areas for intervention include availability of money within households; the cost of food; improvements in urban design and culturally specific physical activity programmes. Seventeen prioritized intervention areas were explored in-depth and recommendations for action identified. These include healthy food subsidies, increasing the statutory minimum wage rate and enhancing open space and connectivity in communities. This approach has moved away from seeking individual solutions to complex social problems. In doing so, it has enabled the mapping of the relevant systems and the identification of a range of interventions while taking account of the views of affected communities and the concerns of policy-makers. The complex environmental approach used in this research provides a method to identify how to intervene in complex systems that may be relevant to other 'wicked' health promotion problems.
The findings demonstrate considerable challenges and cost in recruiting indigenous and minority ethnic participants into intervention trials. Researchers and funding organisations should allocate more resources to recruitment of indigenous and minority populations than to recruitment of majority populations. Community recruitment and networks appear to be better ways to recruit these populations than passive strategies like mailouts.
Aim Researchers explored how food insecurity was experienced in Māori households and how this can affect hauora (well‐being). Methods This Māori‐centred research was conducted in New Zealand by Māori dietetic students with Māori supervision. Kaupapa Māori methodology guided the inductive thematic analysis of observational and discussion data (40+ hours per household) from four Māori households (18 individuals) that participated in a 3‐month ethnographic‐style investigation in 2011. Results Four themes were identified. ‘Overcoming socioeconomic hardship’ was most clearly observed within the low‐income whānau (family), however, all whānau had experienced food insecurity. This experience had short‐ and long‐term impacts on well‐being. Other themes identified strategies whānau developed to reduce the severity of food insecurity: sharing food, gardening food, and teaching food and nutrition skills. Selected text for themes revealed expressed Māori values and/or hauora influences. The values of manaakitanga (sharing food/hospitality), whānaungatanga (family relationships) and kaitiakitanga (caring for the environment) were observed and analysed deductively. Conclusions All households had experienced income‐related food insecurity, and its short‐ and long‐term impacts on well‐being were observed. Whānau had developed many strategies to reduce the severity of food insecurity, relying on support from extended whānau and the wider community, but households remained food insecure. Health and other professionals should advocate for social justice and policy solutions that change systems perpetuating social and health inequity. All households need sufficient income to afford basic needs including food. When basic needs are met, households and individuals can thrive and make meaningful contributions to society.
Introduction: Food environments shape food behaviours and are implicated in rising rates of obesity worldwide. Measurement of people’s interactions with food stores is important to advance understanding of the associations between the food environment and in-store behaviour. This paper describes a new method, Food Store Environment Examination (FoodSee) to measure people’s interaction with the food store environment in a feasibility study focused on convenience stores and children. Methods: One hundred and sixty-eight randomly selected children (aged 11–13 years) recruited from 16 randomly selected schools in Wellington, New Zealand, used wearable cameras for 4 days that recorded images every 7 s. The study was conducted from July 2014 to June 2015. All images of convenience stores and service stations, and a sample of images from supermarkets, were evaluated to determine the feasibility of assessing food availability and marketing. The outcomes of interest assessed were: food product availability, placement, packaging, branding, price promotion, purchases and consumption. Results: Thirty-seven children (22%) visited a convenience store or service station at least once during the study period. In total, there were 65 visits to 34 different stores. Seven hundred and nineteen images revealed the in-store environment. Of those, 86.1% were usable and able to be analysed for the outcomes of interest. Conclusions: The FoodSee methodology provides a promising new method to study people’s interaction with the in-store food environment. The evidence generated will be valuable in understanding and improving the food store environment within which people shop, and will contribute to efforts to address obesity globally.
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