More than half of high school students report disordered eating: a cross sectional study among Norwegian boys and girls

A systematic review and meta-analysis of eating disorder preventative interventions in schools

OBJECTIVE

Adolescents are particularly susceptible to developing an eating disorder (ED). Therefore, schools are in a unique position to assist in the prevention of EDs for this vulnerable group. To ascertain the current evidence-base for school-based ED prevention efforts, we conducted a systematic review and meta-analysis of randomised controlled trials that delivered a school-based ED prevention intervention and assessed the impact these interventions had on ED symptomatology.

METHOD

Electronic databases (PsycINFO, MEDLINE, EMBASE, Web of Science, Scopus and CENTRAL) were searched for published randomised controlled trials of school-based ED prevention interventions from inception to 2024. Twelve studies from 11 articles were identified with 7935 participants (mean ages ranging from 12 to 17). Of these studies, six were included in meta-analyses.

RESULTS

Media literacy and dissonance-based interventions reported small to medium effects for ED symptomatology compared to controls at post-intervention. At three-to-six-month follow-up, intervention groups reported small negative to medium-sized positive effects compared to control groups on eating disorder symptomatology.

CONCLUSIONS

While school-based ED prevention interventions can effectively reduce ED symptomatology post-intervention, the programs analysed in this review do not reliably demonstrate effectiveness across groups and time. Future research should build upon current interventions to increase effectiveness and include long-term follow-ups.

Measuring disordered eating in adolescent boys: a systematic literature review

PURPOSE

The aim of this study was to map which instruments are currently being used to measure disordered eating in adolescent boys as part of a Strengths, Weaknesses, Opportunities, and Threats (SWOT) analysis.

METHOD

Utilizing the PRISMA review protocol, 174 journal articles were reviewed.

RESULTS

Sixty-seven articles used versions of the Eating Attitudes Test to measure adolescent boys' disordered eating, 32 used versions of the Eating Disorder Examination-Questionnaire, 30 used versions of the Eating Disorder Inventory, 25 used SCOFF, and 10 used the Drive for Muscularity Scale. A plethora of other instruments for measuring disordered eating were utilized as well.

CONCLUSION

Studying adolescent boys' disordered eating by using instruments primarily developed and validated for girls may provide unreliable estimates of the numbers of boys who suffer from disordered eating, which would preclude early intervention. One strength of the reviewed studies was that several used multiple measurements to validate their results. One of the weaknesses was the lack of distinguishing genders among certain groups, such as athletes or patients. Among the opportunities identified was the possibility of expanding on research on the association between puberty and disordered eating, with sports and parents potentially acting as buffers against the onset of disordered eating. A clear threat to research on disordered eating among adolescent boys was the (in)accuracy of the measurements.

Sociocultural attitudes towards appearance questionnaire-4-revised (SATAQ-4R): validation in a community sample of Norwegian adolescents

BACKGROUND

Negative body image and disordered eating are common among adolescents and young adults. The Sociocultural Attitudes Towards Appearance Questionnaire-4-Revised (SATAQ-4R) captures the internalization of societal appearance ideals and perceived pressures from others but has not been validated in a Norwegian adolescent population.

METHODS

The current study explored the factor structure of SATAQ-4R in a sample of adolescent Norwegian males and females (n = 1558, mean age 17.04 ± 0.95) using confirmatory factor analysis (CFA) for a 6- and 7-factor structure in females, and a 7-factor structure in males. Correlations between subscales, internal consistency and reliability, and comparisons with convergent measures (disordered eating, body mass index, negative influence of social media) were explored.

RESULTS

The CFA supported a 7-factor structure of the SATAQ-4R for both males and females. Internal consistency and reliability were acceptable. SATAQ-4R subscales largely correlated with disordered eating and additional convergent measures.

CONCLUSIONS

Results confirm the structure and reliability of the SATAQ-4R in a Norwegian adolescent population. The subscales showed good convergent validity, and high scores on internalization and societal pressures were related to higher levels of disordered eating and negative social media influence. The Norwegian version of the SATAQ-4R thus demonstrates good psychometric properties in adolescent males and females, and is well suited to capture internalization and sociocultural pressures that particularly affect adolescents. Results highlight the need to continue working towards reducing adverse internalization and improving body image among adolescents.

Does obesity create a relative sense of excess poverty?

Background

This study investigates the potential relationship between obesity and self-ranking of poverty, as a proxy for self-awareness and happiness. To the best of our knowledge, this issue has not been previously explored based on self-ranking of poverty when income is controlled.

Method

Ordered Probit Regressions. We propose a new measure for the influence of western social values and norms associated with discrimination against obese women.

Results

Based on a follow-up survey after two years, findings demonstrate a drop in the projected probability of self-ranking as "not poor" with the BMI from 0.73 to 0.37 (females) - 0.48 (males) when the level of income is controlled. Similar outcomes are obtained when the independent variables are lagged and thus avoid endogeneity concerns. Finally, additional outcomes support the conclusion that the lagged BMI Granger-cause self-ranking of poverty for women, but not for men. Findings support the awareness of more obese women to lower prospects of finding a job.

Conclusion

Since according to twin studies, approximately 80% of obesity emanates from genetic factors, research findings stress the need to educate the public against prejudices on the grounds of obesity. In particular, our study seeks to evoke awareness among potential employers, which, in turn, might motivate avoidance of, or at least reduction in, an implicit wage penalty against obese women.

Further evidence of the association between social media use, eating disorder pathology and appearance ideals and pressure: a cross-sectional study in Norwegian adolescents

BACKGROUND

Few studies have investigated how the plethora of contemporary social media (SM) platforms relate to, and influence eating disorder (ED) pathology, appearance ideals and pressure to conform to these ideals in youth.

METHODS

In this study, 1558 girls (53%) and boys (47%), predominantly within the 16-19 age range, completed an online questionnaire assessing SM use and perceived influence on appearance, ED pathology, internalization of appearance ideals and perceived appearance pressure.

RESULTS

Results showed that ED pathology was common, particularly in girls, and that internalization of body ideals was gender specific, a thin ideal being more prevalent in girls, and a muscular ideal being more common in boys. Results also showed a strong association between ED pathology and perceived pressure to conform to these appearance ideals. One fourth of the participants reported spending four hours or more on SM daily, and 80% of girls reported that SM, particularly Instagram and TikTok, had a negative influence on how they felt about their appearance. These girls had significantly higher levels of ED pathology and reported higher levels of appearance pressure from the media.

CONCLUSION

A clear pattern of associations between photo- and video specific SM platforms, ED pathology, internalization of body ideals and perceived pressure was found in this study. Adolescent girls appeared to be particularly at risk. The results illustrate an imperative need to keep addressing the potential risks of SM use in adolescents, and to continue monitoring the effect of SM on young people's view of themselves, their appearance, and their eating habits. Future studies should attempt to identify aspects of SM use that may be particularly detrimental for girls and boys in their formative years, but also those that may enhance adolescents' satisfaction and appreciation of their body and appearance.

TRIAL REGISTRATION

The study is registered in the Open Science Framework (Identifier: 10.17605/OSF.IO/5RB6P https://doi.org/10.17605/OSF.IO/5RB6P ).

The Prevalence of Disordered Eating Behaviours (DEBs) among Adolescent Female School Students in Riyadh, Saudi Arabia: A Cross-Sectional Study

Adolescence is a sensitive stage of life that is particularly vulnerable to nutritional problems, including DEBs. This cross-sectional study aims to explore the prevalence of DEBs among adolescent female school students in four intermediate and secondary schools in the city of Riyadh and to examine predictors associated with DEBs, including age, BMI and school regions. A total of 416 female students aged 12-19 years took part in this study. Weight and height were measured for students before the EAT-26 test was completed. Overweight and obesity were observed among 37.7% (n = 157) of students, 50.7% (n = 211) had a normal BMI and 11.5% (n = 48) were underweight. Results indicated that 123 (29.6%) students reported an EAT-26 score of 20 or more, indicating a high risk of DEB. Age was a significant predictor of DEB risk (OR = 3.087, 95% CI = 1.228-7.760), with the older age group (16-19 years) reporting a higher risk than the younger age group (12-15 years) (p = 0.017). DEB risk partially differed by school region, but BMI was not a statistically significant predictor. The high-risk group reported more binging (p = 0.008), induced vomiting (p < 0.001), laxative consumption (p < 0.001) and exercising (p < 0.001) compared with the low-risk group. Further research is warranted to understand DEB current patterns and predictors.

Prevalence of Eating Disorders and Disordered Eating Behaviours amongst Adolescents and Young Adults in Saudi Arabia: A Systematic Review

Eating disorders (EDs) and disordered eating behaviours (DEBs) are significant health problems related to body image and weight dissatisfaction among adolescents and young adults worldwide. During this stage of sensitive development, these behaviours may hinder the optimal growth process and can consequently lead to wasting, stunting, and micronutrient deficiencies. However, there is a limited amount of literature on DEB among Arab populations, particularly in Saudi Arabia. This review aims to assess the prevalence of EDs/DEB and to develop a clear understanding of the epidemiology of such conditions among adolescents and youth in Saudi Arabia. Five databases were systematically searched and 14 papers met the inclusion criteria. The Eating Attitudes Test (EAT-26) was the predominant tool used for evaluating aberrant eating behaviours, indicating a high prevalence of EDs/DEB ranging from 10.2% to 48.1%. The highest prevalence of EDs/DEB was reported in the eastern region ranging from 29.4% to 65.5%. In terms of age and sex, the prevalence was higher among older students compared to younger school students and males reported more Eds/DEB compared to female students. These disorders are found to be prevalent in Saudi Arabia, and the risk of developing such conditions is high across the whole age range.

The global prevalence of screen-based disordered eating and associated risk factors among high school students: systematic review, meta-analysis, and meta-regression

OBJECTIVE

Estimate the prevalence, and associated risk factors, of high school students who are considered at risk for an eating disorder based on screening measures.

METHODS

An electronic search of nine databases was completed from their inception until 1st September 2022. A random-effects meta-analysis was conducted, and confounder (moderator) analyses and meta-regressions examined whether the overall prevalence estimate for of screen-based disordered eating (SBDE) was moderated by student age, BMI, or gender, as well as culture and type of SBDE assessment.

RESULTS

The mean estimate of the prevalence of SBDE among high school students (K = 42 (66 datapoints), N = 56282] in the sample of 25 countries was 13% ([95% CI] = 10.0-16.8%, I2 = 99.0%, Cochran's Q p = 0.001). This effect was not moderated by features of the samples such as gender, BMI, or age. Among cultures, non-Western countries had a higher prevalence of SBDE prevalence than Western countries, but the difference was not significant. There was considerable variability in the prevalence estimates as a function of the assessment measure, but no meaningful pattern emerged.

CONCLUSION

The estimated figure of 1 in 8 high school students with SBDE-unmoderated by gender and BMI-stands out as a problem in need of attention from public health officials, psychologists, psychiatrists, pediatricians, parents, and educators. There is a great need for innovative, integrated policy and program development all along the spectrum of health promotion and universal, selective, and indicated prevention. Further research is also needed to validate and refine this estimate by (a) conducting basic research on the accuracy of eating disorder screening measurements in samples ages 14 through 17; (b) examining representative samples in more countries in general and Latin American countries in particular; (c) clarifying the relationships between SBDE and age throughout the different phases of late childhood, adolescence, and emerging adulthood; and (d) investigating whether there are meaningful forms of disordered eating and whether these are associated with variables such as gender, ethnicity, and BMI.

Appearance satisfaction mediates the relationship between recreational screen time and depressive symptoms in adolescents

BACKGROUND

Research suggests there is an association between high levels of recreational screen time and depression among adolescents; however, mechanisms driving this association remain unknown. The present study examined appearance and weight satisfaction and disordered eating behaviors as mediators in the relationship between recreational screen time and depressive symptoms in adolescents.

METHOD

Longitudinal data on screen time, depressive symptoms, disordered eating behaviors, and appearance and weight satisfaction from 304 adolescents (194 females, M_age  = 13.40) were analyzed through a moment structure model.

RESULTS

Results revealed appearance dissatisfaction mediated the direct effect of recreational screen time on depressive symptoms (Estimate = 0.48, SE = .18, 95% CI [0.12, 0.84]), and that recreational screen time was significantly related to lower appearance satisfaction (Estimate = -0.06, SE = .02, 95% CI [-0.10, -0.01]), which was significantly predictive of more severe depressive symptoms (Estimate = -1.49, SE = .62, 95% CI [-2.71, -0.28]).

CONCLUSIONS

These findings suggest that modulating screen time may be an efficacious strategy to reduce appearance dissatisfaction and depressive symptoms during adolescence.

Validation of the inflexible eating questionnaire in a large sample of Chinese adolescents: psychometric properties and gender-related differential item functioning

PURPOSE

The aim of this study was to provide preliminary psychometric evidence for the Chinese version of the Inflexible Eating Questionnaire (C-IEQ) among a large sample of Chinese adolescents.

METHODS

For testing the psychometric properties of the C-IEQ, a total of 2241 (M_age = 13.91 years; 46.4% boys) adolescents from mainland China responded to the survey. Confirmatory factor analysis (CFA) was used to examine the factor structure of the C-IEQ. Measurement invariance by gender was examined by both multi-group CFA and differential item functioning (DIF). Convergent validity of the C-IEQ was assessed via examining the correlations between the C-IEQ scores and theoretically related constructs (e.g., orthorexia nervosa symptomatology, eating disorder symptomatology, and body image inflexibility).

RESULTS

The unidimensional structure with correlated errors of the C-IEQ showed good model fit (χ² = 1674.05, df = 44, p < 0.001; CFI = 0.93; TLI = 0.91; RMSEA = 0.13; SRMR = 0.06). The C-IEQ had an adequate internal consistency (α = 0.89) and demonstrated strong measurement invariance across genders. Moreover, the scores of the C-IEQ showed significant correlations with theoretically correlated constructs: orthorexia nervosa symptomatology (girls; r = 0.53 p < 0.001, boys; r = 0.45 p < 0.001), eating disorder symptomatology (girls; r = 0.32 p < 0.001, boys; r = 0.25 p < 0.001) body image inflexibility (girls; r = 0.41 p < 0.001, boys; r = 0.36 p < 0.001), suggesting good convergent validity of the C-IEQ.

CONCLUSION

The C-IEQ showed good psychometric properties in a sample of Chinese adolescents and can be used in future studies to assess eating-specific psychological inflexibility among Chinese adolescents.

LEVEL OF EVIDENCE

Level V, cross-sectional descriptive study.

Relationship between suicide risk, and violence tendency and eating attitude in working and non-working adolescents: a comparative study

Although adolescent suicide rates increase significantly, the suicide risk and associated factors in working adolescents is generally neglected. In the present study, it was aimed to determine suicide risk and related factors such as violence tendency and eating attitude in working and non-working adolescents. This case-control study was conducted with 325 adolescents (161 working adolescents, 164 non-working adolescents) between November 2018 and January 2019, in Turkey. Data were collected using the Personal Information Form, Suicide Probability Scale, Violence Tendency Scale and Eating Attitude Test. In the study, the suicide risk was significantly higher in working adolescents (80.79 ± 29.99) than in non-working adolescents (71.90 ± 26.46). Also, working adolescents were determined to be at more risk in terms of violence tendency, eating disorder and substance use than were non-working adolescents. According to linear regression analysis, sex, mother's attitude, presence of a physical or mental illness, alcohol use, violence tendency and eating attitude were statistically significant predictive factors of suicide risk in working adolescents. Researchers, healthcare professionals, educators and policymakers have important responsibilities to improve the mental health of working adolescents.

The light and the dark side of social media use: Depression, anxiety, and eating attitudes among adolescents

In the current study, we explored the links between social networking activity, eating attitudes (EA), anxiety, and depression among adolescents. We used a cross-sectional design. Our sample consisted of 532 males and females, aged 12 to 15 (M = 13.55, SD = 0.90), from the Eastern side of Romania. We analyzed our data using three different pathways to explore these relationships on the overall sample, as well as the at-risk for eating disorders (ED) group (n = 134), and the non-ED-risk (n = 398) samples. The results suggested that depressive and anxiety symptoms partially mediated the relationship between social networking and eating attitudes in the overall group and in the not-at-risk for ED group, but not in the at-risk for ED sample. When controlling for gender, social networking use partially mediated the relationship between anxiety and depressive symptoms and eating attitudes in the overall group and the not-at-risk for ED group, and a total mediating effect within this relationship in the at-risk ED sample was also found. In adolescents with symptoms of potential ED, social networking use seemed to have a protective role compared to the not-at-risk sample. The present study suggested that social networking use might increase the chances of developing unhealthy eating attitudes in adolescents who are not-at risk to develop an eating disorder, but, at the same time, it might play a protective role (instead of a harmful one) for adolescents who already developed such symptoms. Results are discussed concerning their clinical and practical implication for adolescents? physical and mental health, especially during the COVID?19 pandemic, and the potential protective role of social media use for adolescents with ED symptoms.

Disordered eating among Arab and Jewish youth in Israel: the role of eating dinner with the family

Background

Disordered eating (DE), defined as unhealthy eating attitudes and behaviors, is considered a major public health problem among adolescents. Nevertheless, rates of DE among Arab and Jewish adolescents in Israel are still unknown. Furthermore, while previous studies have highlighted the role of frequent family meals as a protective factor against DE, studies examining home family dinners relative to other common dinner options (e.g., eating at home alone, eating out of the home, not eating dinner at all) are largely unavailable. We sought to use representative data of middle and high-school children in Israel in order to identify rates of DE among Arabs and Jews, while examining the relations of home family dinners (vs. other dinner options) with DE.

Methods

A nationally representative school-based survey of 4926 middle and high-school children (11–19 years old) was conducted during 2015–2016. Participants indicated where and with whom they had eaten dinner the day before. The 5-item SCOFF questionnaire was used (> 2 affirmative items were considered a likely case of DE). Height and weight were measured by personnel.

Results

DE was more prevalent among girls (29.7%) relative to boys (12.2%), Arabs (25.1%) relative to Jews (19.5%), and older (25.3%) relative to younger (17.6%) adolescents. Arabs were more likely to eat dinner at home with parents/family (chi² = 10.75, p = .001), or not to eat dinner at all (chi² = 63.27, p < .001), while Jews were more likely to eat dinner alone (chi² = 5.37, p = .021) or to eat dinner out of the home (chi² = 67.65, p < .001). Logistic regressions (stratified by ethnicity and adjusted for gender, age, weight) revealed that family dinners acted as a protective factor against DE, relative to eating out of the home or relative to not eating dinner at all among both ethnic groups, and relative to eating dinner alone among Arabs.

Conclusion

There are differences between Arab and Jewish adolescents in terms of rates of yesterday’s family dinners and DE. Given that eating dinner with the family was linked with lower rates of DE, possible interventions to reduce DE may include educating parents of both Arab and Jewish adolescents regarding the importance of family meals.

A longitudinal examination of body-checking behaviors and eating disorder pathology in a community sample of adolescent males and females

OBJECTIVE

Related to the cognitive-behavioral theory of eating disorders, body checking has gained increasing recognition as both a maintaining factor for eating disorders and an important target for treatment. However, it is unclear whether body-checking behaviors contribute to the development of disordered eating, or if these behaviors develop as a response to experiencing eating disorder thoughts and behaviors. This study aims to examine the relationships between body-checking behaviors and eating disordered thoughts and behaviors in adolescent females and males in the community over time.

METHODS

Participants included 238 adolescents (n = 104 males, n = 134 females, M_age = 16.5 years) recruited from high schools in British Columbia, Canada, who completed the Eating Disorder Examination Questionnaire and Body Checking Questionnaire at baseline (T1) and again approximately 4 months later (T2).

RESULTS

After controlling for baseline levels of eating pathology and body mass index (BMI), body checking at T1 predicted increases in eating pathology for both males and females. In contrast, after controlling for baseline levels of body checking and BMI, eating pathology at T1 did not predict changes in body checking for females, but it did for males. Findings suggest that, among adolescents, engaging in body-checking behaviors may increase risk for disordered eating.

DISCUSSION

If supported by further research, targeting body-checking behaviors in prevention programs may be warranted.

Physical Activity, Physical Fitness and the Sense of Coherence-Their Role in Body Acceptance among Polish Adolescents

The aim of the study was to investigate the protective role of physical activity (PA) and other health-related bio-psycho components (physical fitness, body composition, body perception and the sense of coherence (SOC)) in body acceptance. We searched for gender differences in those relationships. We investigated 231 adolescents aged 13-16 years from an urban area in Poland. We conducted objective measurements of height, weight, fat% and relative value of minute oxygen consumption. Questionnaires for PA, SOC Body Figure Perception and body acceptance were applied. Linear regression was used for analyzing determinants of body acceptance. We found that more physically active girls reported a less slim ideal vision of their figure (p < 0.05). Physical fitness is a better predictor of body acceptance than physical activity. In the final model, the sense of coherence, body mass index (BMI), and gender (being a boy) were also predictors of body acceptance (F(6,92) = 13.084, p < 0.0001). Gender differences were discussed in the present study. Fitness enhancing physical activity should be recommended for adolescents to achieve the protective psychosocial effect especially among girls. Physical activity on a daily basis brings positive results in a more adequate and reasonable body assessment and it can play a protective role in terms of mental wellbeing. Body satisfaction varies between genders and it is a more sensitive issue among girls than boys during adolescence.

Polygenic Score for Body Mass Index Is Associated with Disordered Eating in a General Population Cohort

BACKGROUND

Disordered eating (DE) is common and is associated with body mass index (BMI). We investigated whether genetic variants for BMI were associated with DE. Methods: BMI polygenic scores (PGS) were calculated for participants of the Avon Longitudinal Study of Parents and Children (ALSPAC; N = 8654) and their association with DE tested. Data on DE behaviors (e.g., binge eating and compensatory behaviors) were collected at ages 14, 16, 18 years, and DE cognitions (e.g., body dissatisfaction) at 14 years. Mediation analyses determined whether BMI mediated the association between the BMI-PGS and DE. Results: The BMI-PGS was positively associated with fasting (OR = 1.42, 95% CI = 1.25, 1.61), binge eating (OR = 1.28, 95% CI = 1.12, 1.46), purging (OR = 1.20, 95% CI = 1.02, 1.42), body dissatisfaction (Beta = 0.99, 95% CI = 0.77, 1.22), restrained eating (Beta = 0.14, 95% CI = 0.10, 1.17), emotional eating (Beta = 0.21, 95% CI = 0.052, 0.38), and negatively associated with thin ideal internalization (Beta = -0.15, 95% CI = -0.23, -0.07) and external eating (Beta = -0.19, 95% CI = -0.30, -0.09). These associations were mainly mediated by BMI. Conclusions: Genetic variants associated with BMI are also associated with DE. This association was mediated through BMI suggesting that weight potentially sits on the pathway from genetic liability to DE.

Body Image and Disturbed Eating Attitudes and Behaviors in Sport-Involved Adolescents: The Role of Gender and Sport Characteristics

Disordered eating in adolescents who participate in sports is an issue of great concern. However, very few studies have examined the prevalence of sport-related determinants of disturbed eating attitudes and behaviours (DEABs) in sport-involved adolescents. The present study aims to assess body image and DEABs in the sample of adolescents involved in a sport of different characteristics (competitive sport, leisure sport; weight-sensitive and less-weight-sensitive sport) and to compare the results with those of the controls. A total sample of 732 adolescents (437 (59.4%) were female) participated in the study. The participants ranged in age from 16 to 19 years (mean = 17.2, SD = 0.6). Study participants completed a questionnaire assessing sports characteristics, body image, disordered eating, and health-compromising eating behaviours. Analysis of covariance was used to test the differences of major study variables between controls and weight-sensitive and less-weight-sensitive leisure and competitive sports groups. There was no significant difference observed in DEABs between the sports groups. Competitive athletes reported more satisfaction with body image than controls. The girls participating in weight-sensitive leisure sports reported higher overweight preoccupation and greater DEABs compared to those participating in less-weight-sensitive leisure sports. Boys participating in weight-sensitive leisure sports reported a greater drive for muscularity-related behaviour compared to those participating in less-weight-sensitive leisure sports. There was no observed interaction between gender and weight sensitivity in the competitive sports group. Adolescents involved in a competitive sport demonstrated greater body image satisfaction and did not seem to present a greater risk for DEABs than controls. Special prevention attempts for lowering body image concerns and DEABs should be addressed for adolescents participating in a weight-sensitive leisure sports.

Eating disorder symptoms across the weight spectrum in Australian adolescents

OBJECTIVE

Despite known associations between eating disorders and obesity, little is known about the current prevalence of symptoms of eating disorders across the weight spectrum. This study therefore aimed to estimate the population prevalence of eating disorder symptoms in relation to weight status in adolescents.

METHOD

The sample comprised 3,270 participants (14-15 years; 52% boys) drawn from Wave 6 of the Longitudinal Study of Australian Children. Symptoms of anorexia nervosa (AN) and bulimia nervosa (BN) were assessed using self-report on the Branched Eating Disorder Test. This measure identifies clinically significant symptoms in the past 3 months according to the Diagnostic and Statistical Manual of Mental Disorders, fifth edition. Using study-derived cross-sectional population weights, the prevalence of each symptom was estimated for the total population and by sex and weight status.

RESULTS

The estimated population prevalence was high (14.3-25.7%) for body image symptoms such as fear of weight gain and overvaluation of body weight but lower (0.5-3.7%) for behavioral symptoms such as binge eating and compensatory behaviors. Symptoms were more prevalent among adolescents with overweight or obesity. Although most symptoms tended to have higher prevalence among girls than boys, boys with obesity had higher prevalence of binge eating and excessive exercise than girls with obesity. The overall estimated population prevalence for AN and BN was 0.20% and 0.10%, respectively.

DISCUSSION

The study highlights a need for clinicians to be cognizant of disordered eating behaviors regardless of weight status and has implications for both eating disorder and obesity prevention and intervention.

The healthy body image (HBI) intervention: Effects of a school-based cluster-randomized controlled trial with 12-months follow-up

We examined the effects of the Healthy Body Image (HBI) intervention on positive embodiment and health-related quality of life among Norwegian high school students. The intervention comprised three interactive workshops, with body image, media literacy, and lifestyle as main themes. In total, 2,446 12^th grade boys (43%) and girls (mean age 16.8 years) from 30 high schools participated in a cluster-randomized controlled study with the HBI intervention and a control condition as the study arms. Data were collected at baseline, post-intervention, 3- and 12-months follow-up, and analysed using linear mixed regression models. The HBI intervention caused a favourable immediate change in positive embodiment and health-related quality of life among intervention girls, which was maintained at follow-up. Among intervention boys, however, weak post-intervention effects on embodiment and health-related quality of life vanished at the follow-ups. Future studies should address steps to make the HBI intervention more relevant for boys as well as determine whether the number of workshops or themes may be shortened to ease implementation and to enhance intervention effects.

An examination of direct, indirect and reciprocal relationships between perfectionism, eating disorder symptoms, anxiety, and depression in children and adolescents with eating disorders

OBJECTIVE

Perfectionism is a transdiagnostic factor across eating disorders, anxiety, and depression. Previous research has shown anxiety mediates the relationship between perfectionism and eating disorders in adults. The aim of this study was to investigate the relationships between anxiety/depression, perfectionism and eating disorder symptoms in children and adolescents with eating disorders.

METHOD

Structural equation modeling was used to investigate three models in a clinical sample of children and adolescents (N = 231, M age = 14.5, 100% female): (1) anxiety and depression as mediators of the relationship between perfectionism and eating disorder symptoms, (2) eating disorder symptoms as a mediator of the relationship between perfectionism and anxiety and/or depression, and (3) perfectionism as a mediator of the relationship between anxiety/depression and eating disorders.

RESULTS

Results indicated that both models 1 and 2 fit the data well, while model 3 provided a poor fit. These findings suggest that in clinical populations of children and adolescents, anxiety and depression mediate the relationship between perfectionism and eating disorder symptoms, and there is also a reciprocal relationship whereby eating disorders mediate the association between perfectionism, and anxiety and/or depression.

DISCUSSION

The results highlight the importance of further research to determine whether targeting perfectionism is helpful in the treatment of eating disorders and comorbid anxiety and depression in young people. It would be useful for clinicians to consider assessing for and treating perfectionism directly when it is elevated in children and adolescents with eating disorders.

Can we learn to manage stress? A randomized controlled trial carried out on university students

In our research, we examined the efficacy of an Internet-based stress management program. Our interest in evaluating this type of intervention is based on the increasing accessibility of the Internet today, the growth of Internet-based interventions for various psychopathological problems, and the observation that despite the prevalence of stress among university students, only a fraction of students ever seek professional help. Methodology: “I’m managing my stress” (“Je gère mon stresse”), an Internet-based self-help program composed of four sessions, was examined in this study. The aforementioned program is based on cognitive-behavioral therapy and was inspired by the “Funambule” program in Quebec. Four questionnaires (Perceived Stress Scale, Rosenberg Self-Esteem Scale, Scale of Satisfaction in Studies, and General Health Questionnaire) uploaded online were answered thrice: during “preintervention”, “postintervention”, and “follow-up” stages, the latter of which occurred three months after the intervention. The sample comprised 128 university students, with the majority being women (81.25%). The subjects were divided randomly into two groups (an experimental group and a control group that did not follow the program). Results: The self-esteem scores of the control group were significantly higher than those of the experimental group at the preintervention stage, but this difference disappeared at the postintervention and follow-up stages. There were also significantly lower scores on the General Health Questionnaire subfactors of somatic symptoms and anxiety/insomnia in the experimental group than in the control group during the postintervention stage, though no differences were observed before the intervention. These differences no longer remained after three months. ANOVA revealed significant effects of the intervention over time in the experimental group. Effects were observed at both the postintervention and follow-up stages for self-esteem, perceived stress, satisfaction in studies, and in the somatic symptoms, anxiety and insomnia and severe depression aspects of the General Health Questionnaire (Cohen’s d = 0.38 to 4.58). In contrast, no effects were observed in the control group. Conclusion: This type of Internet-based program has the ability to reach a large number of students due to its rather short format and accessibility. It has already shown improvements in terms of the levels of perceived stress, psychological distress and satisfaction with studies. The option of online interventions could appeal specifically to students who do not seek professional help. However, even though these results are promising at the postintervention stage, they are limited, as indicated by the lack of significant differences between the two groups after the initial three months of follow-up. We still, specifically, need to improve this intervention program and, generally, need more research to address the methodological problems raised by this type of intervention.

Trial registration: ISRCTN registry, ISRCTN13709272

The Norwegian healthy body image programme: study protocol for a randomized controlled school-based intervention to promote positive body image and prevent disordered eating among Norwegian high school students

BACKGROUND

Body dissatisfaction and disordered eating raise the risk for eating disorders. In the prevention of eating disorders, many programmes have proved partly successful in using cognitive techniques to combat such risk factors. However, specific strategies to actively promote a positive body image are rarely used. The present paper outlines a protocol for a programme integrating the promotion of a positive body image and the prevention of disordered eating.

METHODS AND DESIGN

Using a cluster randomized controlled mixed methods design, 30 high schools and 2481 12th grade students were allocated to the Healthy Body Image programme or to a control condition. The intervention comprised three workshops, each of 90 min with the main themes body image, media literacy, and lifestyle. The intervention was interactive in nature, and were led by trained scientists. The outcome measures include standardized instruments administered pre-post intervention, and at 3 and 12 months follow-ups, respectively. Survey data cover feasibility and implementation issues. Qualitative interviews covers experiential data about students' benefits and satisfaction with the programme.

DISCUSSION

The present study is one of the first in the body image and disordered eating literature that integrates a health promotion and a disease prevention approach, as well as integrating standardized outcome measures and experiential findings. Along with mediator and moderator analyses it is expected that the Healthy Body Image programme may prove its efficacy. If so, plans are made with respect to further dissemination as well as communicating the findings to regional and national decision makers in the education and health care services.

TRIAL REGISTRATION

The study was registered and released at ClinicalTrials.gov 21th August 2016 with the Clinical Trial.gov ID: PRSNCT02901457 . In addition, the study is approved by the Regional Committee for Medical and Health Research Ethics.

Relationship between Peer Pressure and Risk of Eating Disorders among Adolescents in Jordan

BACKGROUND

The prevalence of disordered eating behaviors (DEBs) have increased worldwide. It is estimated that about 31.6% of Jordanian adolescents developed DEB. Engaging in peer groups is a prominent event in which adolescents try to belong to peers as part of exploring their social identity.

PURPOSE

To assess the relationship between risk of eating disorders and peer pressure among adolescents.

METHODS

A descriptive, correlational, cross-sectional design utilized multistage cluster sampling technique was used to recruit students from 8th to 10th grades from both sexes from schools in northern Jordan. Data were collected from a self-administered, online questionnaire which was given to 738 participants.

RESULTS

The difference in overall mean of the Inventory of Peer Influence on Eating Concerns (I-PIEC) between adolescents with disordered eating behaviors and normal eating behaviors states was statistically significant. Scores for interaction peer pressure means were statistically higher for girls than for boys; conversely, likeability mean scores were statistically higher for boys than girls.

CONCLUSIONS

The current findings suggest that healthcare professionals are encouraged to conduct appropriate school-based primary prevention for disordered eating behaviors.

Fun, influence and competence-a mixed methods study of prerequisites for high school students' participation in physical education

Background

Many adolescents do not reach the recommended levels of physical activity (PA), and students attending vocational studies are less committed to take part in physical education (PE) than other students. The purpose of the present study was twofold: 1) to examine differences in physical activity, diet, smoking habits, sleep and screen time among Norwegian vocational high school students who selected either a PE model focusing on PA skills, technique and improvement of physical performance (“Sports enjoyment”) or more on health, play and having fun when participating in PE lessons (“Motion enjoyment”), and 2) to explore the students’ experiences with PE programs.

Methods

In this mixed methods study 181 out of 220 invited students (82%) comprising 141 (78%) girls and 40 (22%) boys attending vocational studies of Restaurant and Food Processing (24%), Design, Arts and Crafts (27%) or Healthcare, Childhood and Youth Development (49%) were recruited for participation in the new PE program. PA level, sedentary time and sleep were objectively recorded using the SenseWear Armband Mini. A self-report questionnaire was used to assess dietary habits, smoking and snuffing habits, use of alcohol, screen use and active transportation. Four focus group interviews with 23 students (12 boys) were conducted to explore how the students experienced the new PE program.

Results

Students attending “Motion enjoyment” accrued less steps/day compared to the “Sports enjoyment” group (6661 (5514, 7808) vs.9167 (7945, 10390) steps/day) and reported higher screen use (mean, 3.1; 95% CI, 2.8, 3.5) vs. 2.4 (2.0, 2.9) hours/day). Compared to those attending “Sports enjoyment”, a higher number of students attending “Motion enjoyment” reported an irregular meal pattern (adjusted odds ratio, 5.40; 95% confidence interval (CI), 2.28, 12.78), and being a current smoker (12.22 (1.62, 107.95)). The students participating in the focus group interviews emphasized the importance of having competent and engaging teachers, being able to influence the content of the PE program themselves, and that PE classes should include a variety of fun activities.

Conclusion

Students selecting “Motion enjoyment” accrued less steps/day and reported overall more unhealthy lifestyle habits, including higher screen time, a more irregular meal pattern and a higher number were current smokers, compared to those selecting “Sports enjoyment”. Program evaluation revealed that both groups of students valued competent PE teachers and having influence on the content of the PE program.

Disordered eating behavior, health and motives to exercise in young men: cross-sectional population-based MOPO study

BACKGROUND

Being overweight is an increasing problem among young people, among whom disordered eating behavior is linked with weight problems as well as unhealthy weight control. The aim of the present study was to investigate whether health factors and motives to exercise differ in young men by the type of disordered eating behavior.

METHODS

The population-based, cross-sectional MOPO study consisted of 2,096 young Finnish men (mean age 17.9, SD 0.7) attending compulsory call-ups for military service in the Oulu area in 2010, 2011, and 2013. They responded to a questionnaire that included two subscales of the Eating Disorder Inventory-3 indicating drive for thinness and bulimic behavior and questions on health, physical activity, and motives to exercise. The association between disordered eating behavior and related factors was analyzed by binary logistic regression.

RESULTS

Altogether, 6.9 % (n = 145) of the men had symptoms of disordered eating, i.e., 5.4 % had a drive for thinness (n = 114) and 3.7 % had bulimic behavior (n = 77). Drive for thinness was associated with a perception of being overweight (OR 3.7; 95 % CI 2.2-6.1), poor self-rated health (2.3; 1.2-4.4), more leisure sitting time (1.1; 1.0-1.2), and body-related exercise motives (body acceptance: 3.0; 1.7-5.2; weight loss: 2.5; 1.4-4.4). Bulimic behavior was positively associated with poor self-rated health (2.6; 1.1-5.8) and several motives to exercise, i.e., due to another person's suggestion (2.8; 1.6-4.8), competitive sports (2.1; 1.2-3.7), body acceptance (2.1; 1.1-3.9), and weight loss (1.9; 1.1-3.3), but inversely associated with health/fitness-related exercise motives (health promotion: 0.3; 0.1-0.5; muscular strength or physical performance: 0.5; 0.2-0.9).

CONCLUSIONS

In young men, disordered eating behavior was associated with being overweight, having poor self-rated health, and having a greater amount of leisure sitting time as well as non-health-related motives to exercise. In order to recognize those at risk for disordered eating behavior, evaluating these factors could be beneficial.