Nutrition Facts Research Articles

The Dynamic Impacts of Public Perceptions of Fast-Food Products with Nutrition Facts on Fast-Food Consumption

Although most American eat at a fast-food restaurant 1 to 3 times a week, they would realize that fast food consumption is highly associated with chronic diseases and generates negative impacts on their health. As fast-food consumers become more health-conscious, fast-food brands strive to build a more health-oriented image on their fast-food products. Thus, this study proposes a conceptual model that aims to examine direct and indirect impacts of consumers’ BMI, self-efficacy, perceived brand trust, and brand commitment on their fast-food consumption. An online survey using Amazon Mechanical Turk is conducted with a total of 484 female and 380 male participants included in the final analysis. Results show that the mediating effects of self-efficacy, brand trust in, and brand commitment with the fast-food product with nutrition facts are significantly generated on consumers’ fast-food consumption. Moreover, indirect effects are found on consumers’ fast-food consumption via the nexus of their self-efficacy, brand trust, and brand commitment. The study also offers practical insights into the impact of health-conscious consumers’ brand perceptions on their fast-food consumption.

From Processed Foods to Ultraprocessed Foods: Evolution of an Industry Model and Impact on Dietary Quality, Health, and Society.

The impact of food technology and product development on the nutritional quality of foods is discussed in the context of food classification schemes, clinical research, and sociocultural studies. Food processing operations are analyzed in terms of their beneficial and detrimental consequences for the nutritional value of foods and ingredients. Several classification schemes are discussed, including dietary guidelines, nutrition information panels, and nutritional scores. The health impact of processed and ultraprocessed foods is discussed in connection with the processing-formulation scheme previously developed by the authors. The importance of product development as a driver for the food industry is highlighted, and formulation-based approaches to improve the healthfulness of industrially produced foods are discussed. Finally, the public perception of processed foods and its impact on the industry are discussed, and the need for a broad engagement among stakeholders to ensure the sustainability of our food system and healthy diets for individuals is emphasized.

Effectiveness of environmental nutrition program on student dietary intake in boarding schools

Background The Environmental Nutrition Program (ENP) as an environmental intervention offers voluntary involvement with students, but persists in exposure. This study aimed to investigate the effect of ENP on students’ dietary intake and nutritional knowledge. Methods A quasi-experimental study was conducted with a control school. ENP comprises four activities: the use of uniform food serving tools, nutrition fact displays, food and nutrition information displays, and body weighing awareness. The ENP emphasized voluntary involvement with students but persisted in exposure for over 8-weeks. Multiple passes of 24-hour food recall and validated questionnaires were used in the assessments by a nutritionist. Multiple linear regressions were performed to analyze the effectiveness of ENP. Results A total of 113 female high school students, with a median age of 16 years, were recruited. At baseline, all students had a lower dietary intake than the national recommendation. Except for the stipend, no differences in the characteristics were found among the students. The students’ carbohydrate intake and nutritional knowledge significantly increased after the ENP in the intervention school (p < 0.001). Total energy, protein, and fat intake also improved after ENP. Conclusion ENP activities effectively increased students’ daily carbohydrate intake and nutritional knowledge. Thus, ENP may be appropriate for enhancing nutrition literacy among female students. Future studies with a longer time frame are encouraged to yield sustained, favorable dietary practices.

Penyuluhan Gizi dan Stunting serta Pemanfaatan Tepung Kulit Telur pada Kader Kesehatan di Kabupaten Sumedang

Sumedang still struggles with a stunting problem; based on the 2022 Indonesian Nutrition Status Survey (SSGI), the percentage of stunted children in Sumedang is the highest among all cities in West Java. Health Cadres have a very potential role in stunting prevention from an early age, providing education about the importance and selection of healthy and balanced nutrition food during pregnancy and breastfeeding, and the utilization of alternative food ingredients to improve the quality of nutrition in family food when conducting activities carried out at the Posyandu. This activity aims to enhance health cadres' knowledge through nutrition and stunting education and encourage the utilization of eggshell flour in creating family food innovations to prevent stunting from an early age. This activity uses pre-test and post-test questionnaires for measuring cadres’ knowledge about balanced nutrition and stunting prevention and a food creation competition based on eggshell flour, which is evaluated based on five criteria: creativity, nutritional facts, taste, texture, and presentation/serving. This activity effectively enhanced the knowledge regarding balanced nutrition and stunting prevention, as indicated by a significant increase in the average score before and after the intervention, with a p-value of 0.005. Furthermore, the food creation competition demonstrated the substantial potential of eggshell flour in preparing a diverse range of nutritious family food, including both savory and sweet dishes/snacks. This activity improved health cadres' knowledge and expanded the variety of healthy food through the innovative utilization of eggshell flour.

Knowledge, practices and perceptions of energy labelling of nut products among Australian consumers and stakeholders: an online survey.

Nut consumption in Australia is low, perhaps due to concerns with weight gain. However, nut consumption is not associated with increased weight, in part because of their lower metabolisable energy. Current energy labelling for nuts use Atwater factors, which over-represent the available energy from nuts. Therefore, this research aimed to examine stakeholders' knowledge, practices and perceptions of displaying true metabolisable energy on nutrition labels and its perceived impact on nut consumption. An anonymous and voluntary survey was conducted online. Eligible respondents lived in Australia, were aged 18 years or older and had either no formal nutrition education (consumer group) or had formal training and were working as a stakeholder (stakeholder group; working in nutrition/dietetics, public health, food industry, food regulation or nut growing). Convenience sampling and snowballing were used to recruit respondents primarily via online advertisement. Three hundred and forty-eight respondents (63.2% female; 71.0% aged 18-39 years; 69.0% Bachelor's degree or higher) were included in the analyses. A larger proportion of stakeholders agreed that nut consumption assists with weight management (67.9%) compared with consumers (47.6%). Theoretical food packaging showing both Atwater and metabolisable energy in the nutrition information panel was favoured among consumers and stakeholders, though 62.3% of consumers reported that a lower metabolisable energy of nuts would not impact their consumption. This study indicates a need to further investigate the impact of metabolisable energy labelling on nut intake. Further education about the relationship between nuts and body weight is required for consumers and stakeholders.

Evaluation of front-of-pack labeling’s impact on unhealthy food consumption in Israeli households

Abstract Background In 2020, Israel introduced front-of-pack labeling (FOPL), marking unhealthy foods high in sugar/salt/saturated fat in red and Mediterranean diet-conforming foods in green, aiming to facilitate healthy choices through clear nutrition information. Methods Two cross-sectional telephone surveys assessed food purchasing, red/green food consumption frequency, label exposure, and perceived impact before labeling (944 households, 2019) and 3 years post-implementation (500 households, 2023). Results Over 90% of respondents in 2023 reported seeing red labels on packages. Nearly 70% checked for red labels when shopping, vs. only 48% who examined the full Nutrition Facts panel on the back of the package. 60% reported preferring unlabeled alternatives within unhealthy categories. Although 50% reported that compared to the period before the labeling, they purchased fewer red-labeled products, a significant decrease in purchasing rates between timepoints was found only for 2 out of 11 unhealthy food categories-sugary drinks (which during 2022 were also taxed by sugar content) and salty snacks. At both timepoints, rates of purchasing and consumption frequency of unhealthy foods were higher among households with children, compared to other households. Multivariate analysis showed that having children under 18, lower education and bigger household size predicted a higher overall unhealthy consumption score. Red label checking was associated with better scores. Conclusions FOPL raised awareness and shows potential for reducing unhealthy consumption, especially when combined with policies like sugar taxation. Their impact on reducing purchases of nutritionally valueless foods (snacks/sugary drinks) is highly valuable. However, red-labeled food consumption remained high among households with children, a strong predictor of higher unhealthy consumption scores. Continued label promotion, child-targeted interventions, and product reformulation incentives are recommended. Key messages • FOPL shows potential of enhancing healthy choices especially when combined with supportive policies. • Results regarding households with children highlight the need for continued promotion, child-targeted interventions, and product reformulation incentives for impacting long-term habits.

Disclosure of mandatory and voluntary nutrition labelling information across major online food retailers in the USA.

Nutrition labelling is mandatory on food products in retail stores, but compliance in the rapidly expanding online setting remains unclear. We assessed mandatory and voluntary labelling information across major U.S. online retailers. Between January and August 2022, we evaluated a representative basket of sixty food and beverage items across eight product categories of ten major retailers. We evaluated online presence, accessibility and legibility of four mandatory elements - Nutrition Facts, ingredients, allergen statements and percent juice for fruit drinks - and presence of seven voluntary elements - nutrient content claims, health/qualified health claims, ingredient claims, structure-function claims, additive claims, front-of-package nutrient profiling symbols and other marketing claims. Major online food retailers in the USA. N/A. On average, each mandatory element was present, accessible and legible for only 35·1 % of items, varying modestly by element (from 38·3 % for ingredients lists to 31·5 % for Nutrition Facts) but widely by retailer (6·6-86·3 %). Voluntary elements were present for 45·8 % of items, ranging from 83·7 % for marketing claims to 2·0 % for structure-function claims. Findings were generally consistent across the eight product categories. Voluntary elements were more frequently present than accessible and legible mandatory elements for six of ten retailers and seven of eight product categories. Mandatory nutrition label elements are not commonly present, accessible and legible in online retail settings and are less consistently present than marketing elements. Coordinated industry and regulatory actions may be needed to ensure consumers can access mandatory nutrition information to make healthy and safe food choices online.

Market survey of food product indicators and their credibility as a healthy food product in Klang Valley, Malaysia

IntroductionThe presence of food product indicators may facilitate consumers in making informed healthy choices. However, it may also mislead consumers. This study aims to determine the prevalence of food products...

Continuous Postpandemic Increase in the Use of Nutrition Fact Labels Among Korean Adults: A Weighted Multiyear Analysis of a Nationwide Survey.

Nutrition fact labels (NFLs) have advantages because they are an intuitive tool that provides unified information regulated by the government and does not require any devices or special skills. During pandemic, with increased interest in information about healthy food choices and optimum nutrition, frequent exposure to NFLs on pre-packaged foods and dietary supplements may have helped consumers become aware of and/or use NFLs. We aimed to evaluate NFL usage changes from the pre- and early to the late pandemic years in the Korean adult population, using data from the Korean Community Health Survey (3-year total respondents n = 687,610) conducted from 2019 to 2021. NFL awareness, effect, and utilization ratios in each subgroup (sex, age, diabetes mellitus/hypertension, subjective health status, and physical activity) were analyzed for the 3 years by the cross-tabulation test of weighted complex sample analysis. Despite the declining awareness of NFLs in the Korean population, the proportion of individuals who were affected by the NFL content in the entire population and the utilization ratio among those who were aware of NFLs increased continuously during the early and late pandemic periods. Thus, Nutrition experts and policy-makers need to increase efforts to maintain interest in NFLs that emerged during the pandemic. NFLs, a conventional but well-regulated and effective tool, may have enabled the Korean population to make healthy food choices during the pandemic.

“There's just a lot of numbers and I just want to have a drink”: The challenge of communicating the energy content of alcohol products

Various governments are considering the implementation of energy labelling on alcohol products as one element of obesity prevention policies. However, little is known about the most effective ways to communicate energy information to consumers. The aim of the present study was to explore consumers’ reactions to different energy information provision formats to assist the development of effective energy labels. Nine focus groups (n=83 participants) were conducted with Australian adults who reported drinking alcohol at least twice per month. Participants were exposed to an energy-only information label and labels displaying full nutrition information panels. A thematic analysis approach was used to identify key issues. While few participants were overtly enthusiastic about the mandatory display of energy values on alcohol products, there was general support for the provision of this information to assist those drinkers who could benefit from it. Substantial confusion was apparent as participants attempted to distil meaning from the provided information, particularly where it was expressed in terms of serving sizes and standard drinks. Full nutrition panels were especially problematic in terms of creating a health halo due to the nil or low values for multiple nutrients listed. This was especially notable for information relating to sugar content. Overall, there appears to be inadequate public understanding of the concept of dietary energy in alcoholic beverages and the various terms used to quantify its presence, which is likely to limit the utility of mandatory energy information provision requirements unless they are accompanied by effective community education.

Nutrition Education Effect in Increasing Knowledge and Ability to Interpret Nutrition Facts in Adolescents

Objective: To evaluate the effectiveness of nutrition education on the understanding and proficiency in interpreting nutrition labels among adolescents aged 16-18 years..Methods: This quantitative study adopted quasi-experimental and control group designs with a pre-test and post-test approach. The sample size included 60 participants, divided into 2 equal groups, receiving education through lecture method and leaflets, respectively. The intertervention was conducted one day in group 1 and group 2, respectively. Sample selection was conducted using a simple random sampling method. Data were collected through a knowledge questionnaire and details on reading ability were obtained using an interpreting ability checklist through pre-tests and post-tests conducted at the same day. The retrieved data were analyzed using the Wilcoxon Signed Rank Test and the Mann-Whitney U Test (α=0.05).Results: Nutrition education is shown to enhance the understanding (p-value=0,026) and proficiency of students in interpreting nutrition facts (p-value=0,064).Conclusion: Nutrition education had a positive impact on the understanding and skill of adolescents in reading nutrition facts. Thus, developing educational materials that can be readily applied in daily life will help consumers in making more nutritionally informed choices when selecting packaged foods.

How do plant-based milks compare to cow's milk nutritionally? An audit of the plant-based milk products available in Australia.

This cross-sectional study aims to explore the nutritional composition, cost, country of origin and fortification status of plant-based milk products available for purchase in Illawarra supermarkets and make various comparisons between types of plant-based milks and cow's milk. Plant-based milk information was collected from nutrition information panels on packaging and manufacturer websites. Product ingredient lists, including fortifiers, were analysed to estimate the nutrient composition of the identified plant-based milks, including nutrients beyond those listed by manufacturers. Descriptive statistics were used to summarise the characteristics of the plant-based milks identified in the audit. For non-normally distributed data, a Kruskal-Wallis H test with pairwise multiple comparisons and a Bonferroni adjustment were undertaken to explore the differences between various types of plant-based milk and cow's milk. One hundred twenty-nine plant-based milk products were identified in the audit, primarily almond, oat and soy-based beverages. Of these, 80.6% were fortified with calcium; however, fortification with other micronutrients was less common, ranging from 27.1% being fortified with vitamin B12 and 3.1% being fortified with iodine. The median plant-based milk cost was AU$3.5/L (Q1-Q3: AU$2.8-4.5/L) and 87.6% of products were Australian made. Overall, particularly due to low fortification rates, plant-based milks identified in the audit had significantly lower levels of protein, sugar, iodine, phosphorus, zinc and vitamins A, B2 and B12 compared to cow's milk. However, there was no significant difference in protein content between soy milk and cow's milk. The nutritional content of plant-based milks identified in this audit varied, and in most instances, Australian plant-based milks were found to be nutritionally different to cow's milk.

Guiding trust: The role of labeling information in the market for gluten-free pasta (2019–2023)

Labeling transparency is crucial in today's consumer landscape, ensuring informed choices and trust. Food labels are the first piece of information consumers have and become critical when foods must meet dietary restrictions. With its widespread consumption, gluten-free pasta is a fitting model to evaluate labels’ contribution to food literacy. The scope of this study is to examine the clean status and transparency of gluten-free pasta labels in the global marketplace analyzing by ingredient composition, nutritional facts, nutritional claims, and the implementation of quantitative ingredient declarations (QUID). To achieve this, Mintel Global New Product Database (GNPD) was used to retrieve a total of 1188 products sold from 2019 to 2023. Findings revealed variations in gluten-free pasta ingredients, with fresh and dry types varying in nutrients. Branded and private-label pasta differed in salt content, while pulses-based pasta was fiber and protein-rich but pricier. Organic pasta did not consistently show superior qualities, and whole grains did not change nutrition or price. Vegan options were similar in nutrition and price to vegetarian choices. While nutritional claims generally complied with regulations, inconsistent use of QUID highlighted the need for stricter labeling standards to ensure product transparency and support consumer decision-making. Our findings underline the critical role of clear and accurate labeling in empowering consumers and advocating for enhanced regulatory oversight.

Nutrient Analysis of Raw United States Beef Offal Items.

Nutrient composition of beef offal was evaluated to expand availability of nutrient data for the following beef items: beef heart, liver, kidney, tongue, honeycomb tripe, oxtail, marrow bones, testicles, and blood. These items are consumed both domestically and internationally, with significant regional variations that can be contributed to unique cultural meals and dietary patterns. Standardized procedures were used to dissect and homogenize beef offal samples. Nutrient analysis occurred at United States Department of Agriculture Agricultural Research Service-approved laboratories using validated methods and standards. Each of the offal items in the study qualified for at least one "Good Source" or "Excellent Source" nutrient labeling claim as defined by the United States Food and Drug Administration, based on composition of the separable lean component. This study provides analytically derived nutrient information for U.S. beef offal items. The results reflect that these products could be beneficial in providing essential nutrients as a component of a healthy diet.

Towards more sustainable, nutritious, and affordable plant‐based milk alternatives: A critical review

AbstractThe consumer market has seen a surge in various types of plant‐based milk alternatives (PBMAs), driven by factors such as sustainability, ethics, and the availability of diverse options. However, the global adoption of PBMAs is still hindered by potential nutritional concerns and cost‐ineffectiveness. It is therefore paramount to understand the status and challenges of these alternatives, encompassing production, stabilization strategies, nutrition and health, digestion, and environmental impacts. This review provides a comprehensive examination of these aspects. We begin by scrutinizing the production processes and formulation strategies of PBMAs, followed by an exploration of fundamental stabilization aspects, including homogenization, emulsification, thickening, and quantitative measurements of stabilization. Additionally, we discuss their nutrition facts and potential health benefits, as well as potential differences in the digestion of nutrients from PBMAs. Importantly, their challenges and future directions are discussed individually, highlighting the need for a fundamental understanding and effective food technologies to develop sustainable, nutritious, tasty, and affordable PBMAs. For example, several critical aspects involve maximizing the use of plant materials (e.g., proteins, fibers, and bioactive compounds) and using reliable and unified life cycle analyses to guide the development. This review offers valuable insights for researchers, food technologists, and consumers seeking to navigate and develop the landscape of PBMAs effectively.

Association between consumption of non-nutritive sweeteners and gestational diabetes mellitus in Chilean pregnant women: A secondary data analysis of the CHiMINCs-II cohort

ObjectiveTo evaluate the association between consumed non-nutritive sweeteners (NNS) and gestational diabetes mellitus (GDM) in a cohort of pregnant women from Santiago, Chile. MethodsThis secondary data analysis of a cohort.involved 1,472 pregnant women from the Chilean Maternal-Infant Cohort Study-II (CHiMINCs-II). These women received care at primary health care centers in Puente Alto county, South-Eastern Metropolitan Health Service of Santiago, Chile. NNS consumption was estimated using 24-h dietary recalls and linked to the packaged foods nutrition facts panel. Plasma glucose values were extracted from clinical records. GDM was defined according to national criteria: 1) fasting plasma glucose (FPG) ≥100 and <126 mg/dL at the first antenatal visit; 2) FPG ≥100 mg/dL or 2-hour plasma glucose ≥140 mg/dL in the 75 g oral glucose tolerance test at 24–28 weeks. Cases with a GDM diagnosis in their medical records were also considered regardless of test results. The association between each NNS and GDM was assessed using logistic regression models. ResultsA total of 77.8% of the participants consumed NNS. The most consumed was sucralose (66%), followed by acesulfame-K (43.6%), and steviol glycosides (41.1%). Beverages (82%), dairy (12.4%) and candy products (4.4%) were the primary dietary sources of NNS. The GDM incidence was 18.9%, higher among consumers of any NNS compared to non-consumers (20.3% vs. 14.2%, p < 0.05). The adjusted model showed a significant association between the consumption of any NNS and sucralose and the risk of GDM (OR for any NNS = 1.58; 95% CI: 1.10–2.26; P = 0.014; OR sucralose = 1.44; 95% CI 1.06–1.95; P = 0.020). ConclusionsThe consumption of NNS, particularly sucralose, is associated with an increased risk of GDM in pregnant women. Further studies are essential to validate these results in other contexts and to guide future recommendations for healthier dietary practices among pregnant populations.

Trans-fat labelling and potential presence of industrially produced trans-fat in the New Zealand packaged food supply: 2015–2019 & 2022

Background and aimThe World Health Organization (WHO) recommends that countries reduce industrially produced TFA (iTFA) in the food supply. However, New Zealand (NZ) has no mandatory regulation to control amounts of iTFA in foods. The objectives of this study were to assess within the NZ packaged food supply in recent years (2015-19 and 2022): i) the availability of products displaying information on TFA content on nutrition information panels (NIPs), ii) the content of TFA declared, and iii) the presence/potential presence of iTFA (n = 85,892 products). Methods and resultsA database of packaged foods from major NZ supermarkets was used. TFA contents declared on NIPs were benchmarked against limits recommended by the WHO and the Canadian Trans Fat Task Force. Proportions of products listing specific ingredients (containing iTFA) or non-specific ingredients (potentially containing iTFA) were examined. Trends in proportions were assessed (Mantel–Haenszel tests). Among all products and years examined (n = 81,591), 84.0 % did not display information on TFA content. Across all products declaring TFA contents and years 15.4 % and 6.4 %, respectively, were above the WHO and Canadian TFA limits. Across all products and years, 0.8 % and 13.6 % listed ingredients that contained or potentially contained iTFA, respectively. Across 2015–2019, there was a trend of decrease in the proportions of products listing specific (0.9 %–0.7 %; P = 0.018) and non-specific ingredients (15.1 %–12.8 %; P < 0.001). ConclusionInformation on the TFA content and ingredients containing iTFA in NZ packaged foods is lacking and ambiguous and government-led interventions to control and reduce TFA in the food supply are warranted.

Decreases in purchases of energy, sodium, sugar, and saturated fat 3 years after implementation of the Chilean food labeling and marketing law: An interrupted time series analysis.

In 2016, Chile implemented a multiphase set of policies that mandated warning labels, restricted food marketing to children, and banned school sales of foods and beverages high in nutrients of concern ("high-in" foods). Chile's law, particularly the warning label component, set the precedent for a rapid global proliferation of similar policies. While our initial evaluation showed policy-linked decreases in purchases of high-in, a longer-term evaluation is needed, particularly as later phases of Chile's law included stricter nutrient thresholds and introduced a daytime ban on advertising of high-in foods for all audiences. The objective is to evaluate changes in purchases of energy, sugar, sodium, and saturated fat purchased after Phase 2 implementation of the Chilean policies. This interrupted time series study used longitudinal data on monthly food and beverage purchases from 2,844 Chilean households (138,391 household-months) from July 1, 2013 until June 25, 2019. Nutrition facts panel data from food and beverage packages were linked at the product level and reviewed by nutritionists. Products were considered "high-in" if they contained added sugar, sodium, or saturated fat and exceeded nutrient or calorie thresholds. Using correlated random-effects models and an interrupted time series design, we estimated the nutrient content of food and beverage purchases associated with Phase 1 and Phase 2 compared to a counterfactual scenario based on trends during a 36-month pre-policy timeframe. Compared to the counterfactual, we observed significant decreases in high-in purchases of foods and beverages during Phase 2, including a relative 36.8% reduction in sugar (-30.4 calories/capita/day, 95% CI -34.5, -26.3), a 23.0% relative reduction in energy (-51.6 calories/capita/day, 95% CI -60.7, -42.6), a 21.9% relative reduction in sodium (-85.8 mg/capita/day, 95% CI -105.0, -66.7), and a 15.7% relative reduction in saturated fat (-6.4 calories/capita/day, 95% CI -8.4, -4.3), while purchases of not-high-in foods and drinks increased. Reductions in sugar and energy purchases were driven by beverage purchases, whereas reductions in sodium and saturated fat were driven by foods. Compared to the counterfactual, changes in both high-in purchases and not high-in purchases observed in Phase 2 tended to be larger than changes observed in Phase 1. The pattern of changes in purchases was similar for households of lower versus higher socioeconomic status. A limitation of this study is that some results were sensitive to the use of shorter pre-policy time frames. Compared to a counterfactual based on a 36-month pre-policy timeframe, Chilean policies on food labeling, marketing, and school food sales led to declines in nutrients of concern during Phase 2 of implementation, particularly from foods and drinks high in nutrients of concern. These declines were sustained or even increased over phases of policy implementation.

Consumers’ beliefs about health and taste attributes of ready-to-eat breakfast cereals predict consideration of nutritionally differentiated subsets of products

Inaccurate beliefs about product attributes may lead consumers to omit items from consideration in complex choice environments that they would have wanted to consider if their beliefs were accurate. Inaccurate beliefs about food attributes are well documented. Here, we examine how consumers’ beliefs about health, taste, and price attributes of food products affect the set of products they consider during the choice process. We analyze the set of products participants considered in an experiment on food choice in a choice environment featuring dozens of ready-to-eat breakfast cereals. We examine the role that participants’ beliefs about health, taste, and price attributes of products in each potential set play in predicting attention to products. Our findings show that beliefs about taste and health significantly influence people’s choices of the product set to view. Believing that products in a particular set were relatively healthier or tastier than products in an alternative set positively predicted the choice to view that set of products. This has important implications for policies that require product comparison to be effective, such as information on nutrition facts panels or changing relative prices via taxes or subsidies. If individuals hold inaccurately negative health beliefs about a product, they may omit that product from consideration, which will prevent them from comparing that product with alternatives they do examine. Thus, belief-driven inattention to products may reduce the effectiveness of policies aiming to promote healthier food choices through the application of taxes or subsidies by preventing comparison of nutritionally diverse products.

Carbohydrate Estimation Accuracy of Two Commercially Available Smartphone Applications vs Estimation by Individuals With Type 1 Diabetes: A Comparative Study.

Despite remarkable progress in diabetes technology, most systems still require estimating meal carbohydrate (CHO) content for meal-time insulin delivery. Emerging smartphone applications may obviate this need, but performance data in relation to patient estimates remain scarce. The objective is to assess the accuracy of two commercial CHO estimation applications, SNAQ and Calorie Mama, and compare their performance with the estimation accuracy of people with type 1 diabetes (T1D). Carbohydrate estimates of 53 individuals with T1D (aged ≥16 years) were compared with those of SNAQ (food recognition + quantification) and Calorie Mama (food recognition + adjustable standard portion size). Twenty-six cooked meals were prepared at the hospital kitchen. Each participant estimated the CHO content of two meals in three different sizes without assistance. Participants then used SNAQ for CHO quantification in one meal and Calorie Mama for the other (all three sizes). Accuracy was the estimate's deviation from ground-truth CHO content (weight multiplied by nutritional facts from recipe database). Furthermore, the applications were rated using the Mars-G questionnaire. Participants' mean ± standard deviation (SD) absolute error was 21 ± 21.5 g (71 ± 72.7%). Calorie Mama had a mean absolute error of 24 ± 36.5 g (81.2 ± 123.4%). With a mean absolute error of 13.1 ± 11.3 g (44.3 ± 38.2%), SNAQ outperformed the estimation accuracy of patients and Calorie Mama (both P > .05). Error consistency (quantified by the within-participant SD) did not significantly differ between the methods. SNAQ may provide effective CHO estimation support for people with T1D, particularly those with large or inconsistent CHO estimation errors. Its impact on glucose control remains to be evaluated.