Anna Brytek-Matera

Anna Brytek-Matera
University of Wrocław | WROC · Instytut Psychologii

PhD

About

157
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Introduction
Psychologist and CB therapist. Author of over 160 publications in the field of orthorexia nervosa, eating disorders, eating behaviour and obesity. For further information, please have a look at http://www.annabrytekmatera.pl/en/about-me/

Publications

Publications (157)
Article
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Background Dieting is a common practice around the world. People who wish to lose weight, improve their eating habits, or reach a desired level of health often diet. Rumination, a pattern of repetitive negative thoughts and emotions, is typically found when individuals diet. The current study aimed to identify physical and psychological differences...
Article
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The Satisfaction With Life Scale (SWLS) is a widely used self-report measure of subjective well-being, but studies of its measurement invariance across a large number of nations remain limited. Here, we utilised the Body Image in Nature (BINS) dataset–with data collected between 2020 and 2022 –to assess measurement invariance of the SWLS across 65...
Article
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Background Unlike eating disorders (ED) that are officially recognized and focusing on the quantity of food, Orthorexia Nervosa (ON) revolves around an unhealthy fixation on the quality of food eaten. Existing ON scales differ in how these conceptualize and define ON, ensuing inconsistency in assessments that not only affects the validity and relia...
Book
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Whilst many people try to make healthy food choices to improve their health, for others the focus on healthy eating can become obsessive and lead to maladaptive eating behaviours and poorer health. Orthorexia nervosa is a preoccupation with the quality of healthy food, where a refusal of certain foods is driven by the desire to be healthy. Orthorex...
Article
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The first aim of the study is to clarify the associations between intuitive eating, self-esteem, physical appearance and psychological distress; and second, to assess the mediating effect of psychological distress on the relationship between self-esteem/physical appearance comparison and intuitive eating. A total of 359 Lebanese participants from s...
Article
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Detachment from nature is contributing to the environmental crisis and reversing this trend requires detailed monitoring and targeted interventions to reconnect people to nature. Most tools measuring nature exposure and attachment were developed in high-income countries and little is known about their robustness across national and linguistic group...
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Objectives To test the hypothesis that resilience has a mediating effect on the association between work fatigue and psychological distress. Methods A cross-sectional survey was conducted online in eight countries in 2021: Brazil, Lebanon, Nigeria, Pakistan, Poland, Qatar, Serbia, and Tunisia. A total of 1094 healthcare professionals specialized i...
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Background Despite the extensive literature on the association between perfectionism and disordered eating (DE), only scant attention has been given to the underlying processes that may mediate this relationship. The present study aimed to contribute to existing literature by investigating the direct and indirect relations between perfectionism and...
Article
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Objective Intuitive eating is an eating behavior that has recently come to use mainly in the young population. Knowing that the Lebanese cultural diet differs from other countries, the purpose of this study was to investigate if there is a relationship between self-esteem, interoceptive awareness, and motivation for healthy eating in a sample of Le...
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Introduction In the context of the COVID-19 pandemic, pharmacists, despite their vital contributions, have faced significant challenges that have impacted their mental well-being, potentially leading to the development of Post-Traumatic Stress symptoms (PTSS). The aim of this study was to investigate the role of work-related fatigue as a potential...
Chapter
There is consensus that eating disorder prevalence and impact are on the rise and are present in people of diverse cultural backgrounds. This introduction briefly covers current developments related to the global prevalence and incidence, the burden of mortality, and eating disorder prevalence differences between the ICD-11 and DSM-5 ED criteria. T...
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Objective The present study aimed to compare the estimated prevalence, sociodemographic features and impacts of Bulimia Nervosa (BN), Binge Eating Disorder (BED) and Other Specified Feeding or Eating Disorder (OSFED; BN or BED of low frequency and/or limited duration) when comparing the DSM‐5 with the broader ICD‐11 diagnostic criteria for size and...
Article
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Detachment from nature is contributing to the environmental crisis and reversing this trend requires detailed monitoring and targeted interventions to reconnect people to nature. Most tools measuring nature exposure and attachment were developed in high-income countries and little is known about their robustness across national and linguistic group...
Article
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The prevalence of eating disorders can vary widely across population groups. It is necessary to estimate the prevalence of anorexia nervosa and bulimia nervosa worldwide, especially outside the Western Europe countries, America, and Australia, where most epidemiological studies have been conducted. Thus, the objective of the present review was to i...
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(1) Background: Causes of obesity are multifactorial and include genetic predisposition as well as behavioural, psychological, social, and hormonal influences. We aimed to compare adult women with normal weight, overweight, and obesity, with a focus on maladaptive eating behaviours, the presence of generalised anxiety disorder, and the severity of...
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Abstract Background: The contribution of the pharmacist in influencing health behaviours and raising awareness of the impact of self-medication (SM) is valuable. During the COVID-19 pandemic, SM was triggered by multiple factors driven by the fear of becoming infected. This study aimed to identify the determinants of SM during the outbreak, with a...
Article
Background: The contribution of the pharmacist in influencing health behaviours and raising awareness of the impact of self-medication (SM) is valuable. During the COVID-19 pandemic, SM was triggered by multiple factors driven by the fear of becoming infected. This study aimed to identify the determinants of SM during the outbreak, with a focus on...
Article
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Background Orthorexia nervosa (ON) is a relatively new potential eating disorder characterized by an intense fixation on one’s eating habits and the imposition of rigid and inflexible rules on oneself. Psychological factors such as obsessive–compulsive tendencies, perfectionism and self-esteem may interact in complex ways and contribute to the deve...
Article
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The Body Appreciation Scale-2 (BAS-2) is a widely used measure of a core facet of the positive body image construct. However, extant research concerning measurement invariance of the BAS-2 across a large number of nations remains limited. Here, we utilised the Body Image in Nature (BINS) dataset – with data collected between 2020 and 2022 – to asse...
Article
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Parental burnout (PB) is a pervasive phenomenon. Parenting is embedded in cultural values, and previous research has shown the role of individualism in PB. In this paper, we reanalyze previously collected data to identify profiles based on the four dimensions of PB, and explore whether these profiles vary across countries’ levels of collectivistic-...
Article
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Purpose The prevalence of parental burnout, a condition that has severe consequences for both parents and children, varies dramatically across countries and is highest in Western countries characterized by high individualism. Method In this study, we examined the mediators of the relationship between individualism measured at the country level and...
Chapter
Disordered eating patterns are growing more severe in contemporary society. One such variant to abnormal eating behavior, orthorexia nervosa, reflects a preoccupation with healthy eating, especially quality of food intake, in order to achieve optimum health. Orthorexia nervosa indicates a possible new eating disorder that could be included in the e...
Article
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Although scholars started investigating self-objectification more than twenty years ago, only a few studies focused on men and even fewer have taken into account the cross-cultural dimension. Our study focused on the antecedents of self-objectification paying attention to the role of biological and sociodemographic variables (gender, BMI), psycholo...
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Purpose Over the past two decades, orthorexia nervosa (ON) has been increasingly investigated. Recently, a new revision version of the ORTO-15, namely ORTO-R, was used. The main objective of the present study was to confirm the factor structure of Polish version of the ORTO-R for evaluating ON thoughts and behaviors. Method In three studies, a tot...
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What is it to be “an ideal parent”? Does the answer differ across countries and social classes? To answer these questions in a way that minimizes bias and ethnocentrism, we used open-ended questions to explore ideal-parent beliefs among 8,357 mothers and 3,517 fathers from 37 countries. Leximancer Semantic Network Analysis was utilized to first det...
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Unlabelled: Previous studies have demonstrated the influence of affective states on unhealthy eating. Heightened impulsivity has also been recognized as a risk factor for unhealthy eating. The objective of the present study was to investigate the relationship between trait anxiety and unhealthy eating and to test whether cognitive instability (tra...
Article
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Purpose Since the term orthorexia nervosa (ON) was coined from the Greek (ὀρθός, right and ὄρεξις, appetite) in 1997 to describe an obsession with “correct” eating, it has been used worldwide without a consistent definition. Although multiple authors have proposed diagnostic criteria, and many theoretical papers have been published, no consensus de...
Article
Objective: Individuals who are preoccupied with food are more likely to develop maladaptive eating behaviours and eating disorders. Thus, it is advisable to investigate the factors that increase vulnerability to food preoccupation (FP) to prevent its harmful impact on physical and mental health. Our objective in this study was to investigate the r...
Article
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The aim of the present study was to investigate whether the feeding style and core behavioral features of eating disorders of mothers are related to the symptoms of Avoidant/Restrictive Food Intake Disorder (ARFID) among their children. This study involved 207 mothers of children aged 2 to 10 years (Mage = 5.82 ± 2.59 years), of which 19.32% were c...
Article
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The Yale Food Addiction Scale (YFAS) is the most commonly used scale for measuring food addiction (FA). The previous approach to the YFAS and its subsequent versions assumed di-chotomization of items, separating addiction symptoms and clinical significance items, and factorial validity testing on a subset of items. In this paper, we discuss the dra...
Preprint
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Purpose The prevalence of parental burnout, a condition that has severe consequences for both parents and children, varies dramatically across countries and is highest in Western countries characterized by high individualism. Method In this study, we examined the mediators of the relationship between individualism measured at the country level and...
Article
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Work addiction is considered a public health concern, as it can lead to negative and harmful health outcomes. However, patterns leading from work addiction to mental health concerns remain so far largely unknown and under-studied. We aimed to verify whether the relationship between work addiction and psychological distress (i.e., depression, anxiet...
Article
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Introduction In some individuals, interest in healthy attitudes and behaviours towards food may show obsessive signs. Preoccupation with ‘healthful’ eating may contribute to orthorexia nervosa (ON) – a strong preoccupation with “healthy eating” manifested by the avoidance of all foods considered by the individual to be “unhealthy”. Objectives The...
Article
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Introduction Physical activity (PA) level has been found to be an important correlate of eating disorders (EDs). The literature is inconclusive to whether PA is related to symptoms of EDs in non-clinical sample. Objectives The first study aim was to assess the level of PA in non-clinical group of young adults with symptoms of EDs. The second aim w...
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Introduction Research has shown that emotional suppression, a form of emotion regulation, is often used by individuals with disordered eating behaviour. Moreover, eating disorder symptomatology is associated with inappropriate eating behaviours (e.g. excessive consumption of high-calorie foods and comfort foods). Objectives The objective of the pr...
Article
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Irritable bowel syndrome (IBS), as a functional and psychosomatic disease, reduces the quality of life and increases the risk of developing mental disorders. Deregulation of the autonomic nervous system (ANS) is one of the main causes of the disease. The objective of the present study was to identify the studies in which measurements of heart rate...
Article
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Background Although the definition of food addiction is not agreed upon, it is characterized by eating more than expected without being hungry, not being able to visit certain places associated with overeating or unsuccessfully trying to cut down on the consumption of certain foods. The modified YFAS (mYFAS 2.0) version, instrument available to eva...
Article
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The aim of the present study was to develop and validate the Avoidant/Restrictive Food Intake Disorder Questionnaire—Parents Report (ARFID-Q-PR), a new tool to diagnose ARFID, based on a report submitted by Polish mothers of children aged 2 to 10 years. In total, 167 mothers of boys and girls aged 2 to 10 participated in the study. We used the ARFI...
Article
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Life satisfaction is one of the most relevant indicators of psychological health. The present study aimed at extending previous research on life satisfaction by examining its antecedents for men and women in five countries (e.g., Italy, Poland, Romania, the UK, and Iran), with different levels of gender equality, according to the Global Gender Gap...
Article
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Objectives: Parental burnout is a prevalent condition that affects parents’ functioning and health. While various protective factors have been examined, little is known about their interplay. In the current study, we examined the joint effect of two protective factors against parental burnout (one external—social support, and one internal—cognitive...
Article
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Body dissatisfaction and eating disorders have become major global concerns, including in Asian populations. Few studies have examined intervention effects on body dissatisfaction and disordered eating in China, especially for interventions with positive psychological perspectives (e.g., intuitive eating). In this pilot study, 66 women participated...
Article
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There is limited evidence of a link between Orthorexia Nervosa (ON) and Obsessive–Compulsive Disorder (OCD), and no definitive conclusions can be drawn. The interplay between socio-cultural context and ON has been poorly investigated as well. Therefore, the objectives of the present study were: (1) to investigate the differences in ON and OCD sympt...
Article
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Background: Overweight and obesity are associated with depression and well-being. Some psychological characteristics play a role in explaining well-being and depression in obesity and in identifying specific patient profiles. However, subtyping individuals with overweight/obesity based on variables like self-esteem or stress has not often been don...
Article
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A relation between Orthorexia Nervosa (ON) and increased frequency of physical activity has been put in evidence by recent studies. It is well known that intense physical exercises are typically related to eating disorders, but its relationship with ON is still a subject of debate. Other transdiagnostic features could be necessary to conceptualize...
Article
The Clinical Impairment Assessment (CIA) is the most widely used instrument for assessing psychosocial impairment related to eating disorders (EDs). The CIA was translated into Chinese based on standard procedures. The psychometric properties of the Chinese CIA (C-CIA) were assessed among four adolescent and adult samples [i.e., 792 junior high sch...
Article
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Background: The most common method of suicide in Poland is hanging, especially among men. However, women tend to overdose on medications to commit suicide. Considering suicide attempts, poisoning, which involves overdosing various substances, is the most commonly used method. The purpose of the present study was to analyze suicide attempts by into...
Article
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In Western countries, recent decades have witnessed a revolution toward gender equality. Inequalities have been greatly reduced in areas such as education or employment. Because inequalities lead to distress, this development has largely benefited women. One notable exception is the realm of parenting, which has remained rife with inequalities even...
Article
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Aim. The objective of the present study was to evaluate the relationship between eating patterns, body image and emotional dysregulation among individuals with excessive and normal body weight. Method. A total of 298 participants completed the online survey. The following four questionnaires have been used in the present study: the Body Attitude Te...
Article
A number of previous studies reported a link between body mass index (BMI) and body appreciation; however, many of these studies were conducted in Western countries and addressed younger samples. Older adults, especially in East Asia, remain insufficiently examined. Therefore, the objective of this study was to examine the relationship between BMI...
Article
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Emotions have a powerful influence on eating behavior, and eating behavior can have a powerful effect on emotions. The objective of the present narrative review was to evaluate the relationship between negative affect and maladaptive eating behavior as a regulation strategy in normal-weight individuals. A search of the literature within PubMed®, ME...
Article
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Objective This study aims to explore whether orthorexia nervosa, like other eating disorders, is associated with difficulties identifying, describing, and regulating one's own emotions among a sample of Lebanese adults. Methods A cross-sectional study was conducted during October 2020, during the lockdown period imposed by the government for the...
Article
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Eating self-efficacy refers to a person’s belief in their ability to regulate eating. Although the Weight Efficacy Life-Style questionnaire (WEL) is one of the most widely used eating self-efficacy tools, its French validation is lacking. The objective of this research was to validate a French version of the WEL in a general and a clinical sample,...
Article
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Food addiction is currently not an official diagnosis (as a standalone disorder substance-related and addictive disorders) in the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5). To best of our knowledge, there is no previous research on differences between addictive-like eating behaviour regarding its associations with p...
Article
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Objectives: The aim of the study was to determine the role of emotional eating and body mass index (BMI) in the relationship between the desire to consume chocolate and avoiding social situations related to food and body exposure in women with normal weight. Methods: The direct effect, the indirect effect, the buffer effect, and the moderated me...
Article
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Background Previous research demonstrated a relationship between ON and disordered eating symptoms (eating concern, restraint, cognitive preoccupations about body shape and weight) and disordered eating attitudes (DEA). Since screening for orthorexia nervosa is now part of clinical practice, the measurement instruments to be used must be clinically...
Article
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Introduction Food addiction (FA) has been found to correlate with personality traits and psychosocial factors (Zhao et al., 2018). However, the vast majority of studies on this subject use the variable-oriented approach, which assumes that relationships between specific variables are identical in a given population (Collins & Lanza, 2010). Objecti...
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Food intake has been shown to be related to several environmental factors including the presence of music. However, previous findings of the relationship between music and food intake are inconsistent. In the present study, a systematic review and meta-analysis was conducted to quantitatively review the extent to which music is associated with food...
Article
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Dieting and disinhibited eating patterns are presented in both clinical and nonclinical samples. Repetitive negative thinking (i.e., rumination) may lead to maladaptive eating behaviors. While numerous studies have focused on dieting and disinhibited eating behaviors in clinical samples, less is known about these behaviors in nonclinical samples wi...
Article
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The aim of the study was to investigate the psychometric properties (internal consistency, factor structure, and convergent validity) of the Spanish version of the Eating Habits Questionnaire (EHQ-ES) and its links to disordered eating in young adults. Two university student samples with a total of 487 participants (N1age = 21.75 ± 5.10; N2age = 21...
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The aims of this study were twofold: (1) to investigate the effectiveness of web-based psychoeducation for emotional functioning, eating behaviors, and body image among premenopausal women with excess body weight, and (2) to compare the efficacy of two types of web-based psychoeducation. Three hundred individuals were asked to volunteer in the pres...
Chapter
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Background: The aim of the study was to determine the prevalence of dysphagia in patients with chronic cough and its relationship with the long-term persistence of these symptoms. Methods: Thirty consecutive patients. All patients underwent physical examination, ENT assessment, videolaryngoscopy, functional phoniatric assessment at rest and speech,...
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Purpose Although orthorexia nervosa, the fixation on health-conscious eating behaviour, was first described in the 90 s, there is no clear understanding whether existing ON measures are appropriate for its assessment. The objectives of the present study were to: (1) examine the psychometric properties of the Polish version of the DOS (PL-DOS) and t...
Article
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Sleep quality, diet quality, and physical activity are significant factors influencing physical and mental health. However, few studies have explored their underlying mechanisms, especially among the elderly population in East Asia, where people have food culture and lifestyles distinct from those living in Western countries. Therefore, the current...
Article
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Introduction Research has shown that negative affect leads to unhealthy eating, the top cause of death in the United States. Objectives This project examined whether AR (Affect Regulation) can be applied to incidental negative affect to improve eating behavior. Methods We conducted four studies. Results In Studies 1 and 2 (n=80), we developed a...
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Introduction Restraint theory (Herman and Polivy, 1975) suggests that human eating behaviour is under cognitive control and this leads to reduced sensitivity to internal cues for satiety, resulting in overeating in situations where cognitive control is under-mined (Johnson et al., 2012). In other words, restraint theory suggests that restraint (die...
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High levels of stress in the parenting domain can lead to parental burnout, a condition that has severe consequences for both parents and children. It is not yet clear, however, whether parental burnout varies by culture, and if so, why it might do so. In this study, we examined the prevalence of parental burnout in 42 countries (17,409 parents; 71...
Article
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Drunorexia refers to food calorie intake restriction to prevent weight gain and the desire to enhance the more extensive intoxicating effects of alcohol. The present study aimed to investigate the association of drunkorexia with emotion regulation as well as emotion regulation difficulties across the Lebanese population, and assess disordered eatin...