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Understanding humans’ food intake practices is helpful in reducing health problems. The purpose of this study was to investigate the relationships between eating behaviours and binge eating and to examine the influence of sex and weight status on these relationships.

A total of seventy-eight participants (39 with overweight; mean age: 38.1 ± 6.3 years; body mass index [BMI]: 25 ± 5.7 kg/m²) underwent measurements of binge eating, eating styles and body compositions. A hierarchical multiple regression analysis was performed to predict binge eating as a function of eating styles and demographic variables.

Women presented higher levels of binge eating symptomatology and emotional eating than men. The analysis showed that age and gender did not emerge as important predictors of binge eating. In contrast, emotional and external eating and BMI were found to be important predictors of binge eating. The results indicate that higher emotional and external eating behaviour with higher BMI are important risk factors for binge eating in a non-clinical sample.

In this study, BMI was used as a causal factor rather than a consequence of deregulation of eating behaviour. An individual’s tendency to binge eat may be determined by BMI, emotional eating and sensitivity to environmental food stimuli. Understanding sex differences and causal relationships between eating behaviours is critical for the prevention and treatment of obesity and related health problems and for proper dietary management.

The purpose of this paper is to examine the relationship of masculine eating/drinking beliefs on male consumers’ concern with unhealthy eating/drinking habits and, in turn, with binge drinking. Additionally, this research tests if and how a change in these beliefs influences binge drinking intention and intention to eat unhealthy food.

Three studies were conducted in Bogotá (Colombian males; convenience sampling). The purpose of Study 1 (N = 209) was to develop a scale to measure masculine eating/drinking beliefs. Study 2 (N = 191) tested the mediating role of concern with unhealthy eating/drinking habits in the relationship of masculine eating/drinking beliefs with binge drinking. Study 3 (N = 179) was an experimental study, which examined the effect of information about some negative consequences of masculine beliefs on the answers to the masculine eating/drinking beliefs inventory and, in turn, on binge drinking intention and intention to eat unhealthy food.

A one-dimensional (eight-items) scale was developed and validated. The results of this paper show that masculine eating/drinking beliefs are associated with lower concern with unhealthy eating/drinking and, in turn, with higher binge drinking. Information that influences these beliefs leads to lower binge drinking and unhealthy food ingestion intentions.

This research presents the first scale that measures masculine eating/drinking beliefs. It provides initial evidence on how an intervention focused on the negative consequences of sexism can influence these beliefs, affecting binge drinking and overeating intentions.

This research provides new findings on a topic associated with several health problems in many countries, including the effect on consumers’ weight gaining and related illnesses.

This research presents the first scale that measures masculine eating/drinking beliefs. It provides initial evidence about factors (through mediating variables) that link masculine eating/drinking beliefs with some unhealthy eating/drinking habits. In addition, the results show how information about some negative consequences of these beliefs can influence consumers’ binge drinking and unhealthy food ingestion intentions, which leads to key recommendations for future interventions. As a result, this research provides new findings on a topic associated with several health problems in many countries, including the effect on consumers’ weight gaining and related illnesses.

To evaluate the effectiveness of an adaptation of Interpersonal Group Psychotherapy (IPT-G), in facilitating short- and longer-term improvements in eating disorder symptomology, psychosocial impairment, anxiety, depression and attachment difficulties among adults living with overweight and diagnosed with binge eating disorder (BED).

In total, 24 participants completed measures at the start of IPT-G, mid-treatment, discharge and six-month follow-up. Quantitative outcomes were analysed utilising one-way repeated measures analysis of variance.

Treatment retention was 100%. Significant improvements in binge-eating frequency, psychosocial impairment and depression were achieved at mid-treatment and maintained at post-treatment and six-month follow-up, and with large effect sizes. Attachment anxiety had reduced significantly at post-treatment and was maintained at six-month review. Body mass index (BMI) had stabilised by mid-treatment and was maintained at post-treatment and six-month follow-up. All hypotheses were supported, with the exception that attachment avoidance did not improve significantly and following a post-treatment reduction, anxiety symptoms deteriorated slightly by six-month follow-up, such that they were no longer significantly different from pre-treatment levels.

Despite being the most prevalent of the eating disorders (compared to anorexia nervosa and bulimia nervosa), BED is under-recognised and under-treated in clinical settings. Results indicate the sustained effectiveness of IPT-G in improving eating disorder and comorbid symptomology associated with BED.

This is the first UK study to investigate the effectiveness of IPT-G at treating BED. Unlike previous studies in the field, this study did not exclude participants based on age, BMI or psychiatric comorbidity.

The aim of the study is to explore the experience of eating disorder support group participants. The research question is “What is the experience of adults recovering from an eating disorder in a professionally-led monthly support group?”

This qualitative study explored the experience of adults recovering from an eating disorder in a professionally-led monthly support group. Participants were 18 adults recovering from an eating disorder who attended a monthly support group. The data were collected using an online anonymous survey and then analysed using a thematic analysis.

The main themes that emerged were: (1) sharing the pain and promise, (2) cautions and concerns and (3) facilitators have influence. The findings indicate that the support group provided a safe space to share their lived experience, that it reduced stigma and isolation, and improved participants' motivation and engagement. Moreover, the results revealed some challenges to the functioning of the group. These included management of discussions and dominant members, need for psycho-educational information and managing intense feelings, relating to body-related comparison and other mental disorder comorbidities.

This is the first study highlighting the valuable role of the facilitator in balancing content with compassion, in ensuring safety in the group, and potentially fulfilling a valuable education function in supporting participants in their eating disorder recovery journey.

Staying at home for a prolonged period, the stress during COVID-19 quarantine may affect sleep quality, night eating behaviours of individuals. This paper aims to identify the relationship between night eating behaviour, sleep quality, perceptions of health locus of control in women during the pandemic.

An anonymous, Web based, cross-sectional study was conducted for the duration of a month (April-May, 2020). The study evaluated the nutritional habits of the participants. Anthropometric measurements were noted. Night Eating Syndrome Questionnaire (NESQ), Pittsburgh Sleep Quality Index (PSQI), Multi-dimensional Health Locus of Control-A were used for data collection.

With a mean age of 33 ± 8 years, 529 women participated in the study. The mean NESQ score was 14.4 ± 4.7, PSQI score was 6.4 ± 2.9. Higher night eating scores were observed in participants with chance locus of control (CLC) perception when compared to participants with internal health locus of control (IHLC) perception (p < 0.05). Lower sleep quality was observed in obese participants compared to normal/overweight participants (p < 0.05). It was also found that night eating behaviours significantly predicted sleep quality (R = 0.36, R² = 0.13; p < 0.01), explaining about 13.3% of total variance of sleep quality.

Only internet users and women participated in the study, and the questionnaire form was applied online; the information was obtained in the form of the participants' own statements.

It was found that night eating behaviour significantly predicted sleep quality during the pandemic. It was also determined that the individuals with high chance locus of control perception had higher NES scores than the individuals with high internal locus of control perception.

The night eating behaviours significantly predict sleep quality, individuals with a high perception of CLC had a higher night eating score than individuals with high perception of IHLC during the pandemic.

Episodes of compulsive eating may lead to addiction. Changing relative prices does not always work for many food addicts turned overweight or obese individuals. This paper points to when such situations may arise and how they can be remedied.

We modify the standard neoclassical economics model assumption of indifference curves being convex to the origin. It becomes violated in situations when compulsive eaters become food addicts. As a result of that, the assumption of the concave (quasi-concave) utility function is violated too. We also introduce the possibility that compulsive eaters may have stable but nonconstant preferences.

Most important finding of our model is that a smooth dynamic path to addiction, caused by habit, disappears. Hence, the ability for smooth adjustment to relative price changes due to policies targeting obesity may not be applicable for a compulsive addict. We postulate the existence of thresholds past in which irreversible harm to addicted overeaters may occur. Reaching such states implies that no economic tools at our disposal could reverse the harm, which, in turn, deem that many policies directed at altering relative prices are ineffective in correcting overeating addiction and its consequences.

Even if we believe in consumer sovereignty, it is possible to shape consumer behavior via policy actions, including the behavior of extremum seekers turned addicts. The public policy of obesity should consider, in this case, its social cost.

No prior research has considered food addiction in light of compulsive eating caused by extremum-seeking behavior. Addiction correcting food policies always relied on either rational or myopic addiction models.