Appetite最新文献_第5页

Individual variations in eating rate and oral processing behaviours and their association with energy intake and appetite in older adults (≥ 65 years old)

IF 4.6 2区医学 Q1 BEHAVIORAL SCIENCES

Appetite

Pub Date : 2025-02-20 DOI: 10.1016/j.appet.2025.107917

Dimitra Zannidi , Lisa Methven , Jayne V. Woodside , Gerry McKenna , Ciarán G. Forde , Miriam E. Clegg

Oral processing behaviours (OPBs) have been repeatedly associated with energy intake and appetite in younger adults; however, in older adults, these associations remain poorly understood. Older adults often experience ageing-related physiological decline, which can affect food oral manipulation and intake. This study investigated individual variations in OPBs and their association with energy intake and appetite in healthy older adults. Eighty-eight participants (44 males, mean age 73.7 SD 5.3 years) attended one visit after an overnight fast. A fixed-portion breakfast was provided and consumed in full, while consumption was video-recorded to quantify OPBs (chews, bites, swallows, chews per bite, bite size, eating rate, meal duration). Self-reported appetite was assessed using visual analogue scales (VAS). Meal energy intake was measured using an ad libitum lunch. A weighed food diary was used for the rest of the day to record food and drink intake. Generally, eating rate was negatively correlated with OPBs frequency and duration (p < 0.001). OPBs differed between genders and eating rate subgroups. From the postprandial self-reported appetite ratings, in faster compared to slower eaters, “prospective intake” was rated higher, indicating greater perceived appetite. Faster eating rate at the ad libitum meal was significantly and independently associated with greater energy intake (p < 0.001), when accounting for age, gender, BMI, lunch liking and pre-lunch appetite ratings. This study highlights the link between eating rate and energy intake in older adults and provides insights for future interventions, especially when energy intake needs to be increased in frail older adults.

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引用次数: 0

Food marketing to teenagers: Examining the digital palate of targeted appeals 面向青少年的食品营销：研究目标受众的数字口味

IF 4.6 2区医学 Q1 BEHAVIORAL SCIENCES

Appetite

Pub Date : 2025-02-15 DOI: 10.1016/j.appet.2025.107912

Charlene Elliott , Emily Truman , Jason Edward Black

Food marketing is a conspicuous part of the digital landscape for teenagers, with the aims of influencing preferences, purchases and consumption. Yet little is known about the nature and persuasive power of such marketing, especially across the platforms most popular with teens. Given this research gap, this exploratory study aimsed to shed light on the “digital palate” being advertised to teenagers and the specific appeals they found salient within that advertising. Teenagers (ages 13–17, n = 468) engaged in participatory research, capturing the teen-targeted food advertising that they encountered over the span of one week. For each ad, they identified the product, brand, platform and specific techniques they felt made the ad teen-targeted. Results reveal the pervasive and expansive nature of teen-targeted food marketing: 3385 advertisements were collected from 557 distinct food and beverage brands from the digital platforms of Instagram, TikTok, Snapchat, and YouTube. Instagram trumped all other platforms when it came to food marketing, but the “digital palate” promoted across all platforms was consistent. Beverages, fast food and candy/chocolate comprised the top categories of foods advertised to teens. Ads for these generally unhealthy (and sweet) products were considered persuasive due to their visual style and special offers—ones that focused on convenience, novelty, bold flavors, limited edition products and (even more) digital engagement. While the digital palate promoted was salient and engaging to teenagers, the food (and food categories) promoted do not work to support long term health.

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引用次数: 0

Middle childhood weight stigmatization and appetite self-regulation as predictors of adolescent weight – A prospective mediation analysis

IF 4.6 2区医学 Q1 BEHAVIORAL SCIENCES

Appetite

Pub Date : 2025-02-14 DOI: 10.1016/j.appet.2025.107914

Nele Westermann , Annette M. Klein , Petra Warschburger

Children's weight is a common reason for stigmatization. The aim of this study was to examine the effect of weight stigmatization (WS) during middle childhood on adolescent weight and the role of appetite self-regulation (ASR) as a potential mediator. Across three measurement time points, the study utilized a community sample of N = 1612 participants (51.9% female), aged 7–11 (T1), 9–13 (T2), and 16–21 (T3). WS was assessed via child-reports, different ASR facets (food responsiveness, emotional overeating, satiety responsiveness, external eating) via parent-reports, and height and weight were measured to calculate the standardized body mass index (BMI-SDS). Structural equation modeling was used to analyze the proposed prospective mediation. A total of 11.2% of the children reported WS experiences, with significant differences between the weight groups. ASR fully mediated the prospective association between WS and BMI-SDS. Higher WS predicted higher food responsiveness, higher emotional overeating, and, among older children, lower satiety responsiveness. Additionally, higher food responsiveness predicted higher adolescent BMI-SDS, indicating a specific indirect effect. The total indirect and specific indirect effects for food responsiveness remained significant when controlling for the established influences of parental BMI and body dissatisfaction. Our results highlight a prospective effect of WS on ASR and propose ASR as a mediator for the association between WS and weight. WS and ASR might therefore be important factors for the prevention of overweight and obesity in children and adolescents.

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引用次数: 0

The effect of emotional cues on attentional bias to food cues in women with body weight dissatisfaction

IF 4.6 2区医学 Q1 BEHAVIORAL SCIENCES

Appetite

Pub Date : 2025-02-14 DOI: 10.1016/j.appet.2025.107913

Pei Xie , HanBin Sang , XiaoQuan Wang , ChaoZheng Huang

The eating behavior of individuals is susceptible to various factors. Emotion is an important factor that influences eating behaviors, especially in women who care about their body weight and dissatisfied with their bodies. This study explored the effect of emotional cues on attentional bias toward food in women with body weight dissatisfaction (BWD). Following the Negative Physical Self Scale-Fatness scores, a total of 60 females were recruited: twenty-nine were assigned to the BWD group, and thirty-one were assigned to the no body weight dissatisfaction (NBWD) group. All participants completed the food dot-probe task after exposure to emotional cues, and their eye-tracking data were recorded. The results showed greater duration bias and first fixation direction bias for high-calorie food in the BWD group than in the NBWD group after exposure to negative emotional cues. After exposure to positive emotional cues, the BWD group showed greater first-fixation duration bias and duration bias for high-calorie food than for low-calorie food. The present study found an effect of emotion on the attention bias toward food in women with BWD, and it provided insight into the psychological mechanism of the relationship between emotion and eating behaviors in women with BWD. Our study suggests that both negative and positive emotional cues may lead women with BWD to focus on high-calorie foods.

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引用次数: 0

Bridging the knowledge gap: Mapping carbon emissions to food items facilitates choices of plant-based over animal-based items

IF 4.6 2区医学 Q1 BEHAVIORAL SCIENCES

Appetite

Pub Date : 2025-02-14 DOI: 10.1016/j.appet.2025.107910

Romain Cadario , Yi Li , Anne-Kathrin Klesse

Consumers generally underestimate the difference in GHG emissions between animal-based and plant-based items. Existing carbon labels primarily focus on enhancing metric knowledge (i.e., the general GHG emission levels of a food product) yet neglect to improve mapping knowledge (i.e., the relative differences between different food items). This research proposes the “item mapping” carbon labeling strategy, designed to link GHG emissions to food items (i.e., animal-vs. plant-based). Five pre-registered experiments document that the item mapping label (i) reduces the knowledge gap in GHG emissions between animal-versus plant-based food items and (ii) reduces animal-based food choices. The item mapping label is particularly effective at decreasing animal-based food choices for consumers with higher sustainable eating involvement, which is associated with higher knowledge overconfidence (i.e., consumers believe that they know more than they actually do). These findings offer insights into designing carbon labels that facilitate sustainable food choices.

引用次数: 0

Comparison of appetite assessment methods in older adults from the APPETITE study

IF 4.6 2区医学 Q1 BEHAVIORAL SCIENCES

Appetite

Pub Date : 2025-02-13 DOI: 10.1016/j.appet.2025.107909

Pia Scheufele , Katy Horner , Clare Corish , Marjolein Visser , Anja Rappl , Brian Mullen , Anna Quinn , Federica Gonnelli , Matteo Bozzato , Dorothee Volkert

Poor appetite is an important health concern in older adults. Numerous methods exist for appetite assessment, without a consensual gold standard. This study aims to compare Simplified Nutritional Appetite Questionnaire (SNAQ) and two single-item appetite questions with appetite ratings from visual analogue scales (VAS) and energy intake (EI). In 126 community-dwelling adults aged ≥65 years from the APPETITE trial, appetite was assessed using SNAQ, SNAQ 1st item, Center for Epidemiologic Studies-Depression scale (CES-D) 2nd item and using VAS appetite ratings (fasting, 0, 30, 60, 120, 180 min post-breakfast, post-lunch) and EI (ad libitum lunch) in a test meal setting. Spearman correlations were calculated between SNAQ, single-items, VAS-fasting, and EI. Differences in VAS-fasting and EI between normal and poor appetite groups (based on SNAQ, single-items) were examined using Mann-Whitney-U-test. Repeated measures Generalized Linear Models were used to compare all VAS ratings across the test morning and post-breakfast response ratings with VAS-fasting as a covariate between appetite groups. SNAQ score was correlated with VAS-fasting (r = 0.26, p < 0.001) and EI (r = 0.22, p < 0.05). VAS-fasting was lower in the SNAQ-based poor appetite group (p = 0.01). Time/group interaction effects (SNAQ, η_p² = 0.02; CES-D-item, η_p² = 0.02) for all VAS ratings, and group (SNAQ-item, η_p² = 0.04) and interaction effects (CES-D-item, η_p² = 0.03) for post-breakfast ratings were observed (p < 0.05, respectively). SNAQ identified differences in VAS-fasting, possibly reflecting processes related to the drive to eat, while the two single-items identified appetite differences in response to a standardised breakfast. Different methods appear to capture different aspects of appetite, which should be considered when choosing an assessment method.

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引用次数: 0

Eating contexts encourage sustainable food choices: The mediating role of the symbolic meanings of foods

IF 4.6 2区医学 Q1 BEHAVIORAL SCIENCES

Appetite

Pub Date : 2025-02-13 DOI: 10.1016/j.appet.2025.107896

Chujun Wang , Xiaoang Wan

Many studies have examined how to reduce meat consumption and promote sustainable consumption, but very few studies have addressed this issue within the framework of the social contexts of eating. We conducted two experiments to examine how the context of commensal eating might influence people's food choices. In Experiment 1, we asked participants to imagine eating alone or with others, and then to choose three dishes from a choice set consisting of two meat and two vegetable dishes, so they had to choose between a meat-heavy meal and a vegetable-forward meal. Consequently, the participants showed a stronger choice preference for the meat-heavy meals in commensal eating compared to solitary eating, and the symbolic meaning of foods mediated this effect. In Experiment 2, participants were divided into different groups and primed with beliefs regarding the symbolic meanings of certain foods before making food choices. Consequently, the participants chose fewer meat-heavy meals in commensal eating after they were primed with the belief that vegetables could symbolize status and wealth, compared to those without such priming. Collectively, these findings reveal the mechanisms underlying the effect of commensality on the choices of meat-heavy meals, which has implications for nudging people toward making sustainable food choices in social settings.

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引用次数: 0

Celebrity worship and disordered eating among Chinese adolescents: The sequential mediating roles of upward physical appearance comparison and body dissatisfaction

IF 4.6 2区医学 Q1 BEHAVIORAL SCIENCES

Appetite

Pub Date : 2025-02-13 DOI: 10.1016/j.appet.2025.107911

Zhenyong Lyu, Xiaofan Wang, Panpan Zheng

It is well-established that celebrity worship is linked to disordered eating behaviors. However, the relationship between celebrity worship and specific eating disorders (i.e., emotional eating, restrained eating, and uncontrolled eating), as well as the underlying mechanisms, remains poorly understood. Based on the tripartite influence model, this study examines the potential mediating roles of upward physical appearance comparison and body dissatisfaction in the association between celebrity worship and disordered eating behaviors. A total of 752 Chinese middle school students (55.2% boys; average age = 13.23 years, SD = 1.01, range: 11–17 years) completed self-report measures assessing celebrity worship, upward physical appearance comparison, body dissatisfaction, and disordered eating behaviors. Path analysis revealed that upward physical appearance comparison mediated the relationship between celebrity worship and uncontrolled eating, but not restrained eating or emotional eating. Additionally, body dissatisfaction was found to significantly mediate the relationship between celebrity worship and all three types of disordered eating behaviors. Sequential mediation effects were also identified, with upward physical appearance comparison leading to body dissatisfaction, which subsequently influenced disordered eating behaviors. The findings suggest that celebrity worship may indirectly influence emotional eating, restrained eating, and uncontrolled eating through upward physical appearance comparison and body dissatisfaction among adolescents. These results highlight the importance of addressing the negative influence of celebrity worship by focusing on appearance comparison and body dissatisfaction in efforts to prevent disordered eating behaviors among Chinese adolescents.

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引用次数: 0

Acceptability and effect on food choices of incentives promoting more sustainable diets among low-income consumers: A qualitative study

IF 4.6 2区医学 Q1 BEHAVIORAL SCIENCES

Appetite

Pub Date : 2025-02-12 DOI: 10.1016/j.appet.2025.107903

Basile Verdeau , Anaëlle Denieul-Barbot , Sandrine Monnery-Patris

In the context of rising food costs, low-income consumers are likely to lack financial access to a sustainable diet primarily composed of healthy plant-based food. To promote a change towards more sustainable food habits, vouchers for fruit, vegetables and legumes redeemable in supermarkets have been experimented in the urban area of Dijon (France). The objective of the study was to explore the acceptability of the intervention and the effects of the vouchers on food choices through participants’ perceptions. Face-to-face semi-structured interviews were conducted with twenty-seven participants, three months after the end of the intervention. The transcripts were analysed through inductive then deductive content analysis, following a process evaluation framework with two themes related to the implementation and the mechanisms of impact of the intervention. Implementation issues and feelings of discrimination were mentioned, but satisfaction was high and vouchers were considered to improve the financial situation, although the restriction on the targeted products was not always understood. Regarding the mechanisms of impact, during the intervention period, two third of the participants, especially families with young children, attached greater importance to taste and curiosity for unfamiliar food and lesser importance to price. Vouchers thus led to food purchases of higher diversity and higher enjoyment. Other participants did not change their habits, mostly because of an improper use of the vouchers or the absence of motivation for a dietary change. These findings suggest that financial incentives not only increase access to sustainable food, but also influence food choice processes and contribute to greater acceptability of plant-based food in low-income families. The results call for financial incentives to be considered as an opportunity to support changes in dietary behaviour in low-income populations.

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引用次数: 0

A latent class analysis of negative emotional eating in bariatric surgery candidates

IF 4.6 2区医学 Q1 BEHAVIORAL SCIENCES

Appetite

Pub Date : 2025-02-12 DOI: 10.1016/j.appet.2025.107907

Urvashi Dixit , Anna A. Love , Rachel R. Henderson , Erica Ahlich , Jinbo He , Andrea Rigby , Hana F. Zickgraf

The Behavioral Susceptibility Theory posits that food approach/avoidance traits are key genetic contributors to obesity and disordered eating. The genetic tendency to approach/avoid food may manifest with emotional eating (i.e., over or under eating in response to emotional cues). Research indicates that emotional eating (EE) affects long-term success after bariatric surgery, but findings focus mainly on the tendency to overeat in response to negative emotions. The current study examined the role of both emotional over- and under-eating within a pre-bariatric sample, and their association with psychosocial outcomes. Using Latent Class Analysis, responses from 446 participants (74.3% female; 71.5% White, 12.1% African American, 10.3% Hispanic, 4.1% multiracial, 1.1% Other/Unreported; M_Age = 42.38, M_BMI = 49.15 kg/m²) on the emotional eating subscales of the Adult Eating Behavior Questionnaire were analyzed to identify EE patterns. Participants also responded to measures of emotional distress, quality of life, and disordered eating (e.g., night eating, binge eating, and avoidant/restrictive food intake disorder). A four-class solution emerged: (a) emotional over- and undereating (EOE-EUE; 14.4%), (b) emotional overeating (EOE; 25.3%), (c) emotional undereating (EUE; 26.0%), and (d) non-emotional eating (non-EE; 34.3%). Consistent with previous research, the EOE-EUE class exhibited high levels of psychosocial impairment, and emotional eating classes exhibited higher levels of disordered eating compared to the non-emotional eating class. These findings provide a more nuanced understanding of EE within a pre-bariatric population by identifying patterns of both over- and under-eating within individuals and differentially identifying risk factors associated with such patterns. Limitations include the lack of a non-surgery seeking comparison group, potential for response biases, and the reliance on cross-sectional data.

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引用次数: 0