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PubMed1999

Incidence and demographic correlates of eating disorder symptoms in a pregnant population.

OBJECTIVE: To obtain a picture of eating disorder symptoms in a population of pregnant women. METHOD: Five hundred thirty women attending antenatal follow-up clinics at a large London district general hospital during a 4-week period were surveyed. The Eating Attitudes Test (EAT), the Edinburgh Postnatal Depression Scale (EPDS), and a demographic questionnaire were administered. Unadjusted relative risks and their 95% confidence intervals were calculated for a series of prognostic factors. RESULTS: 4.9% of women scored above the recommended threshold on the EAT in pregnancy. Eating disorder symptomatology was found to be associated with younger age, previous symptomatology, lower educational attainment, poorer housing, employment status, and previous miscarriage. DISCUSSION: The meaning and potential implications of high levels of eating disorder symptomatology in a pregnant population are discussed in the light of the physiological and psychological effects of eating disorders on both pregnancy outcome and infant development.

Adolescent↗

PubMed2000

Interrelationships between the size of the pancreas and the weight of patients with eating disorders.

OBJECTIVE: Starvation severely affects normal pancreatic function in children suffering from Kwashiorkor and in animals undergoing food deprivation. This study examines whether pancreatic size, as determined by ultrasound, is dependent on starvation or on eating patterns in patients with eating disorders. METHOD: In 109 inpatients with eating disorders, 86 with anorexia nervosa and 23 with bulimia nervosa, we determined the pancreatic size by means of abdominal ultrasonography before increase in weight. Twenty-four inpatients with other psychiatric disorders served as controls. Pancreatic size was defined by the maximal diameter and the length of the head, the diameter of the head at the confluence of the splenic and mesenteric veins, and the diameters of the body and tail. In 41 eating disorder patients, pancreatic size was also measured during the course of therapy and increase in weight. RESULTS: Pancreatic size correlates highly with body mass index (BMI). Counteracting actions such as purging do not seem to influence this pathophysiologic finding. Dystrophy of the pancreas is reversible in a short period of time. The increase in pancreatic size after maintenance of a normal eating pattern, however, exceeded the size expected by regression equation with an increase in the BMI. Pancreatic size seems to correlate with the actual amount of digested food. The increase in BMI is only an indicator of food intake. DISCUSSION: Pancreatic size might therefore be useful for the assessment of normalization of the eating pattern. Future research is necessary to investigate the impairment of pancreatic function resulting from dystrophy, the impact of possible pancreatic malfunction on the course of eating disorders, and the regulatory mechanisms responsible for the change of pancreatic size.

Adolescent↗

PubMed2000

Disordered eating in three communities of China: a comparative study of female high school students in hong kong, Shenzhen, and rural hunan.

OBJECTIVE: To examine disordered eating and its psychological correlates among female high school students in three Chinese communities that lay on a gradient of socioeconomic development in China. METHOD: 796 Chinese students from Hong Kong, Shenzhen, and rural Hunan completed a demographic and weight data sheet, the Eating Attitudes Test (EAT-26), a Body Dissatisfaction Scale (BDS), the Beck Depression Inventory (BDI), and the Rosenberg Self-Esteem Scale (RSES). RESULTS: Compared to students in Hunan and to a lesser extent students in Shenzhen, students from Hong Kong were slimmer, but desired a lower body mass index (BMI), reported more body dissatisfaction, exhibited a more typical EAT-26 factor structure, scored higher on the "fat concern and dieting" factor, and constituted more EAT-26 high scorers. Multiple regression analyses indicated that BDS was the most significant predictor of fat concern at each site, but this effect was strongest in Hong Kong. Hunan students had significantly higher BDI scores but lower fat concern than Shenzhen and Hong Kong students. DISCUSSION: The consistent gradient of fat concern across the three communities gives credence to the view that societal modernization fosters disordered eating in women, possibly via the gendered social constraints that accompany it. It is also expressive of the marked socioeconomic heterogeneity within China nowadays. The predictable rising rate of eating disorders that follows global change will pose a growing public health challenge to Asian countries.

Adolescent↗

PubMed1995

Changing symptomatology in eating disorders.

This exploratory study examined demographic and symptomatological changes in eating-disordered children and adolescents over the last three decades. Medical records of the first 33 consecutive eating disorder admissions to the psychosomatic/psychiatric units of a children's hospital in the 1970s, 1980s, and 1990s were reviewed. Analyses of variance (ANOVAs) and chi square analyses were performed to ascertain changes in demographics, clinical history, height and weight, psychiatric diagnoses, and eating disorder symptoms/signs. In addition, regression analyses were conducted to discern changes in the total number of eating disorder admissions (medical and psychiatric services inclusive) between 1970 and 1990. Results revealed significant symptomatological changes over the three decades. While the majority of somatically based signs have decreased, psychically based symptoms have either remained stable or even increased. Results suggest that newer eating disorder variants (bulimia nervosa and atypical eating disorder) are not replacing the traditional category of anorexia nervosa, rather, eating disorders are becoming more widespread and heterogeneous. Alternative explanations are discussed.

Adolescent↗

PubMed2001

Testing the efficacy of an eating disorder prevention program.

OBJECTIVE: The efficacy of an eating disorder prevention program was tested in a group of preadolescent females. Improvements in self-esteem and eating behavior were predicted relative to a control group. METHOD: Two interventions lasting 5 weeks were designed and then administered to two groups of preadolescent females. Self-esteem, body esteem, dietary restraint, and eating pathology were measured before, immediately, and 6 months following an eating disorders prevention program (n = 16) and a similarly designed control program (n = 13) focusing on fruit and vegetable intake. RESULTS: Dietary restraint in both groups decreased following the interventions. Self-esteem improved in the experimental group, but this was only marginally significant. DISCUSSION: Eating disorder prevention programs may be most effective when targeted at older, more at-risk girls. However, encouraging healthy eating in both groups of preadolescent girls reduced dietary restraint, which may be an important step in the prevention of later eating disorders.

Adolescent↗

PubMed2002

Validation of eating and dieting expectancy measures in two adolescent samples.

OBJECTIVE: To demonstrate the validity of two measures of eating and dieting expectancies (The Eating Expectancy Inventory [EEI] and the Thinness and Restricting Expectancy Inventory, [TREI]) for use with adolescents. METHOD: Seventh (N = 392) and tenth graders (N = 300) completed the Bulimia Test-Revised (BULIT-R), the Eating Disorder Inventory (EDI-II), and two factors of the Three-Factor Eating Questionnaire (TFEQ). RESULTS: Findings replicated for the two adolescent samples. The expectancy that thinness leads to overgeneralized life improvement correlated with measures of "successful" dieting, dieting plus disinhibition, and bulimic symptomatology. Expectancies for negative reinforcement from eating (e.g., eating helps manage negative affect and alleviate boredom) correlated with dieting plus disinhibition and bulimic symptoms, but not with successful dieting. Negative reinforcement from eating and reinforcement from thinness expectancies accounted for different bulimic symptom variance than that accounted for by the personality factors of perfectionism, interpersonal distrust, and ineffectiveness. DISCUSSION: Results were consistent with prior work on college and clinical samples, thus supporting use of the expectancy measures with adolescents.

Adolescent↗

PubMed2004

Body checking and its avoidance in eating disorders.

OBJECTIVE: One expression of the core psychopathology of eating disorders is the repeated checking and avoidance of shape or weight. Two studies are reported. The primary purpose of the first was to describe the phenomenology of such body checking and avoidance. The aim of the second was to compare body checking and avoidance in women with and without a clinical eating disorder. METHOD: In Study 1, 64 female patients with clinical eating disorders participated in a semistructured interview assessing the features of body checking and avoidance. In the second study, a self-report questionnaire was used to compare body checking and avoidance in women with and without a clinical eating disorder (n = 110). RESULTS: The majority (92%) of the patients in Study 1 checked their bodies to assess their shape or weight and this was associated significantly with eating disorder symptoms. In Study 2, the clinical group had significantly more body checking and avoidance than the comparison group, and there was a strong association between eating disorder psychopathology and body checking and avoidance. CONCLUSIONS: These findings support the view that body checking and avoidance are direct expressions of the overevaluation of shape and weight. Further work is needed to determine whether these expressions contribute to the maintenance of eating disorders.

Adolescent↗

PubMed2004

Specificity of self-concept disturbances in eating disorders.

OBJECTIVES: The current study examined self-concept deficits among three diagnostic groups of eating-disordered patients, evaluated the relationship between self-concept deficits and depression, and addressed the specificity of self-concept deficits in eating-disordered patients. METHOD: Three groups of eating-disordered patients (anorexia nervosa, N = 33; bulimia nervosa, N = 38; binge eating disorder, N = 28) were first compared to three matched healthy control groups and then to two psychiatric comparison groups (patients with anxiety disorders, N = 37; patients with depressive disorders, N = 37). RESULTS: All three groups of eating-disordered patients displayed lower self-esteem and higher feelings of ineffectiveness compared with the healthy controls, even after controlling for depression. Differences in self-esteem and ineffectiveness were also found between eating-disordered patients and psychiatric controls. However, not all of the differences were significant. In addition, the psychiatric controls also exhibited lower self-esteem than normative samples. DISCUSSION: Findings suggest that self-concept deficits are more pronounced in eating-disordered patients but cannot be regarded as highly specific.

Adult↗

PubMed2004

The development of eating pathology in Chinese-Australian women: acculturation versus culture clash.

OBJECTIVE: Recent research suggests there has been an increase in the incidence of eating pathology among Asian women residing in the West. Two alternate explanations for the development of this eating pathology have been proposed; acculturation versus culture clash. The current study was designed to further examine the influence of acculturation versus culture clash on the development of eating pathology in Chinese-Australian women. METHOD: Eighty-one Chinese-Australian women completed a questionnaire investigating their level of eating pathology, perceived sociocultural influences to lose weight, parental overprotection and care, self-perceptions of physical appearance, sociability and global self-worth, and the strength of their ethnic identity. RESULTS: It was found that, overall, low levels of satisfaction with physical appearance, high levels of parental overprotection, and high levels of perceived pressure from best female friends to lose weight predicted greater eating pathology in both acculturated and traditional women. However, acculturated women who perceived higher levels of pressure from their fathers and best male friends to lose weight and traditional women who experienced higher levels of parental care reported the greatest eating pathology. DISCUSSION: The findings suggest that there are both similarities and differences between the risk factors that correlate with eating pathology between acculturated and traditional women.

Acculturation↗

PubMed2001

An eating disorder curriculum for primary care providers.

OBJECTIVE: Primary care providers frequently lack adequate training in treating eating disorders. This study examined the effectiveness of an eating disorder curriculum designed to address the lack of knowledge among primary care providers. METHOD: Medical social workers completed four intensive training sessions, each lasting 75 min. Participants completed questionnaires assessing eating disorder knowledge, perceived ability to treat eating disorders, and practice behaviors, before and after training as well as at 6-month follow-up. RESULTS: The eating disorder curriculum resulted in a significant increase in eating disorder knowledge and a moderate improvement in practice behaviors such as screening new patients for an eating disorder. Training did not significantly change providers' perceived ability to intervene. DISCUSSION: The results of this pilot study suggest that brief intensive training can increase providers' knowledge and change their routine clinical practices, resulting in increased rates of detection and intervention in the primary care setting.

Adult↗

PubMed2001

Eating disorders and health in elite women distance runners.

OBJECTIVES: To examine the presence of eating disorder syndromes in elite women distance runners in the United Kingdom and any associated differences in training, dieting, general health, and well-being. METHOD: Athletes were selected from the top of their respective ranking lists for all middle and long-distance races in 1996/1997. All running disciplines were included (track, road, cross-country, and fell/mountain running). Athletes were sent the Eating Disorders Examination Questionnaire and a questionnaire on demographics, athletic training, diet, and health. Of the 226 athletes identified, 181 (81%) completed and returned the questionnaires. RESULTS: Twenty-nine athletes (16%) had an eating disorder at the time of the study (7 had anorexia nervosa [AN], 2 had bulimia nervosa [BN], and 20 had eating disorders not otherwise specified [EDNOS]) and a further 6 had received previous treatment. Comparing the eating disorder group with the rest of the sample showed no difference in age, height, preferred race distance, or the number of hours/week spent training. However, they had a significantly lower body mass index (BMI), lower self-esteem, and poorer mental health. Current and past dieting were significantly more common in the eating disorder group. DISCUSSION: The levels of AN and EDNOS are higher than would be expected in similarly aged, nonathletic women. The demands for leanness rather than exercise intensity appear to be the main risk in these elite runners. The early detection and prevention of eating disorders in women athletes should have high priority.

Adult↗

PubMed2001

Eating disturbance and sexual trauma in childhood and adulthood.

OBJECTIVE: This study examined the relationship between sexual trauma and eating disorder behavior, taking into account the effects of developmental stage of the victim and the effects of multiple sexual assaults. METHOD: Four groups of adult women took part in this study. Subjects were either victims of childhood sexual abuse, victims of rape in adulthood, victims of both childhood sexual abuse and rape, and controls who were not traumatized sexually. All subjects were assessed with semistructured interviews and self-report inventories that assessed eating disorder behavior, general psychopathology, and impulsivity. RESULTS: Victims of childhood sexual abuse differed from controls on measures of eating disorder behavior and individuals who had experienced both childhood sexual abuse and rape in adulthood were most likely to display eating disorder-related psychopathology. Victims of childhood sexual abuse also distinguished themselves with high levels of eating disorder behavior plus multiple forms of impulsive self-destructive behavior. DISCUSSION: This study provides additional support for the association between childhood sexual abuse and eating disorder behavior. Childhood sexual abuse may be particularly linked to the presence of binge eating behavior and several other forms of impulsive self-destructive behavior.

Adult↗

PubMed2004

Secondary prevention for eating disorders: the impact of education, screening, and referral in a college-based screening program.

OBJECTIVE: The first National Eating Disorders Screening Program (NEDSP), conducted on more than 400 college campuses in 1996, was an educational and two-stage screening program designed to detect potentially clinically significant disordered eating attitudes and behaviors and offer referrals for further evaluation when warranted. The current study assessed the impact of the NEDSP on participants. METHOD: A randomly selected subset of this sample (n = 289) was contacted approximately 2 years after the NEDSP to assess the impact of the program on knowledge and treatment-seeking behaviors for eating disorders. RESULTS: For greater than 80% of the participants, the program made participants aware of the danger of eating disorders and the availability of treatment. Of those who received a recommendation for further clinical evaluation of disordered eating (n = 109), nearly one half (47.7%) followed up on this recommendation and kept at least a first appointment and 39.4% actually sought treatment subsequent to the NEDSP. DISCUSSION: The results of the current study suggest that educational and screening programs may be a promising strategy for secondary prevention of eating disorders. They also suggest that awareness of the risks of disordered eating and available treatment may not be sufficient to motivate individuals to adhere to recommendations to seek treatment. Clinicians should, therefore, be vigilant for nonadherence to treatment recommendations and proactive in facilitating treatment.

Adolescent↗

PubMed2004

Associations among aspects of impulsivity and eating factors in a nonclinical sample.

OBJECTIVE: Impulsivity has been well documented as a factor in the behavior of eating-disordered populations and is likely to influence normal eating patterns as well. The current study attempted to clarify the relationship between the three elements of impulsivity (nonplanning, attentional, and motor) and the three factors of eating (cognitive restraint, disinhibition, and hunger) in a nonclinical sample. METHOD: Data were collected from a sample (N = 112) of volunteer participants from the community who answered two self-report instruments related to impulsivity (the Barratt Impulsiveness Scale, Version 11) and eating (the Eating Inventory). Partial correlations were performed on the data to control for age, sex, and education. Cognitive restraint did not correlate with any element of impulsivity. Disinhibition was positively correlated with both attentional impulsivity (r = .40, p < .001) and motor impulsivity (r = .32, p < .01). Attentional impulsivity was also positively correlated with hunger (r = .24, p < .05). DISCUSSION: The lack of association between cognitive restraint and impulsivity suggests that they are functionally distinct. Disinhibition is most closely associated with impulsivity, consistent with findings from clinical samples. Further clarification of the relationship between impulsivity and eating in nonclinical populations could facilitate a better understanding of the relationship between personality variables and normal eating behavior.

Adolescent↗

PubMed2004

Impulsivity as a risk factor for eating disorder behavior: assessment implications with adolescents.

OBJECTIVE: The aims of the current study were to determine if impulsivity serves as a risk factor for eating disorder behavior and to examine whether different risk outcomes are obtained depending on the assessment strategy used to measure impulsivity. METHOD: Three independent studies are reported, each of which examined the relationship of impulsivity and eating disorder behavior in a prospective longitudinal design with adolescent subjects recruited from both public and private schools. Individuals displaying eating disorder behavior at initial assessments were not included in the analyses, to ensure that we were testing the role of impulsivity in the onset of eating disorder behavior. RESULTS: Trait impulsivity, measured with traditional personality scales, failed to predict the onset of eating disorder behavior in all three studies. However, when behavioral constructs associated with impulsivity, such as delinquency or substance abuse, were examined, they significantly predicted the onset of eating disorder behavior in most of the analyses conducted. DISCUSSION: These results provide moderate support for the idea that impulsivity serves as a risk factor for the onset of eating disorder behavior. However, this is only true when more objective behavioral measures were utilized.

Adolescent↗

PubMed2005

A community-based training program for eating disorders and its contribution to a provincial network of specialized services.

The Ontario Community Outreach Program for Eating Disorders is a pilot training project within the eating disorder programs at the University Health Network--Toronto General Hospital (TGH) and the Hospital for Sick Children. This system provides ongoing training, consultation, and research evaluation in areas ranging from prevention through to tertiary care, in the hopes of increasing the capacity of practitioners to respond to the healthcare pressures of those experiencing eating disorders. A total of 3,315 health care practitioners and educators in Ontario participated in community-based training workshops. A pre-post analysis of participants' self-report evaluations was conducted using chi-square analyses. The findings revealed that there was a statistically significant increase in participants' (a) knowledge of eating disorders and of body image issues and (b) level of comfort to either treat clients with eating disorders or teach a curriculum on body image. The contribution of the training program to the development of a provincial network of specialized eating disorder services, designed to promote the public's access to timely and appropriate care for the full spectrum of eating disorders, are discussed.

Adolescent↗

PubMed2005

Shared transmission of eating disorders and anxiety disorders.

OBJECTIVE: Eating disorders have high comorbidity with mood, anxiety, and substance use disorders. Using twins from the population-based Minnesota Twin Family Study (MTFS), we examined comorbidity and shared transmission between eating pathology and these disorders. METHOD: Female twins (N = 672), ages 16-18 years, completed structured clinical interviews assessing anorexia nervosa and bulimia nervosa (as described in the 4th ed. of the Diagnostic and Statistical Manual of Mental Disorders [DSM-IV; American Psychiatric Association, 1994]), as well as mood, anxiety, and substance use disorders (as described in the 3rd Rev. ed. of the Diagnostic and Statistical Manual of Mental Disorders [DSM-III-R]). Shared transmission was examined using a discordant monozygotic (MZ) twin design. RESULTS: Significant comorbidity was found between eating disorders and major depression, anxiety disorders, and nicotine dependence. Within MZ twin pairs discordant for eating disorders (n = 14), non-eating-disordered cotwins demonstrated increased risk for anxiety disorders compared with controls. Similarly, within MZ twin pairs discordant for anxiety disorders (n = 52), non-anxiety-disordered cotwins demonstrated increased risk for eating disorders compared with controls. DISCUSSION: Findings support shared transmission between eating disorders and anxiety disorders. However, the nature of this shared diathesis remains unknown.

Adolescent↗

PubMed2005

Relationships between features associated with vomiting in purging-type eating disorders.

OBJECTIVE: Vomiting is a pernicious symptom of eating disorders. We explored the relation between the symptom of vomiting and features of eating disorder course and severity, personality traits, and Axis I and II comorbidity in individuals with purging-type eating disorders. METHOD: The sample included participants from the multisite, international Price Foundation Genetic Studies, who had an eating disorder diagnosis (anorexia nervosa, bulimia nervosa, or eating disorder not otherwise specified) and had data available for the frequency of purging behaviors (n = 1,048). Axis I disorders, personality disorders, trait anxiety, perfectionism, and temperament and character dimensions were included as possible correlates. RESULTS: The presence of vomiting was associated with less regular laxative use, lower self-directedness, organization, personal standards, and higher novelty seeking. CONCLUSION: Vomiting remains a prevalent and potentially destructive symptom of eating disorders, with significant dental and medical morbidity. Our findings suggest that certain clinical and personality variables distinguish individuals with purging-type eating disorders who vomit from those who do not, although there were no marked differences in Axis I or II comorbidity. Specifically targeting treatment to decrease duration of exposure to this dangerous symptom continues to be an important clinical objective.

Adolescent↗