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PubMed1984

Binge-eating, self-induced vomiting and laxative abuse: a community study.

Following a television documentary on bulimia nervosa, people who thought that they had this type of eating problem were asked to complete a confidential questionnaire. 579 women who fulfilled self-report diagnostic criteria for bulimia nervosa were thereby identified. These women closely resembled patients with bulimia nervosa, although the age range was wider. They had grossly disturbed eating habits and almost half vomited at least daily. Laxative abuse was also common. Although almost two-thirds had been overweight in the past, the majority had a weight within the normal range. A minority had previously fulfilled diagnostic criteria for anorexia nervosa. On standardized measures, these women had abnormal attitudes to their weight and shape, as well as significant levels of psychiatric symptomatology. Nearly three-quarters thought that they definitely needed professional help, yet only a third had ever been referred for psychiatric treatment. Using data from this sample and an independent sample of 499 probable bulimia nervosa cases, the significance of three issues relating to the diagnosis of bulimia nervosa were examined: laxative abuse, the frequency of self-induced vomiting, and a history of anorexia nervosa.

Adult↗
PubMed2003

Eating disturbances in girls with diabetes: the contribution of adolescent self-concept, maternal weight and shape concerns and mother-daughter relationships.

BACKGROUND: This study examined the relative contribution of adolescent self-concept, maternal weight and shape concerns (WSC), and mother-daughter relationships to eating disturbances among girls with type 1 diabetes mellitus (DM). METHOD: Eighty-eight adolescent girls (mean = 15.0 years, S.D. = 2.2) and their mothers completed self-report measures of disordered eating and weight control behaviours, with teens also reporting on disturbed eating and body attitudes. Based on reported symptoms, adolescents were classified as highly (N = 18), mildly (N = 30) and non-eating disturbed (N = 40). Self-concept was assessed by adolescent self-report. Mother-daughter relationships were assessed by adolescent self-report and by observed mother-daughter interactions that were rated using a macroanalytic coding system that assesses intimacy and autonomy in these relationships. RESULTS: Hierarchical regressions illustrated that adolescent self-concept deficits, maternal WSC, and impaired mother-daughter relationships significantly predicted eating disturbances in girls with DM, accounting for 57% of the variance. Mothers who engaged in dieting and binge-eating were more impaired in their ability to support their daughters' emerging autonomy. The quality of mother-daughter relationships partly mediated the influence of maternal WSC on adolescent eating disturbances. Moreover, the impact of maternal WSC and mother-daughter relationships on eating disturbances was mediated by adolescent self-concept. CONCLUSIONS: Findings illustrate two pathways through which mother-daughter relationships may impact upon risk of eating disturbances in girls with DM and highlight the need to evaluate family-based interventions specifically tailored for this high-risk population.

Adolescent↗
PubMed1998

Psychological symptoms in individuals successful at long-term maintenance of weight loss.

Set point theory suggests that successful maintenance of weight loss ("weight suppression") may be associated with psychological distress. This study examined the association between psychological symptoms and body weight suppression by using a registry of 629 women and 155 men who lost at least 13.6 kg (mean loss = 30 +/- 15 kg) and maintained the loss for at least 1 year (mean duration = 5.5 +/- 6.8 years). Participants completed measures of mood, distress, restraint, disinhibition, bingeing, and purging. Maintainers' levels of distress and depression were lower than those of psychiatric samples and resembled those of community-based samples. Binge-eating and purging rates were comparable to rates of community samples. Maintainers' levels of restraint and disinhibition were markedly different from those of eating-disordered samples, resembling levels found in patients recently treated for obesity. There was no evidence that long-term suppression of body weight is associated with psychological distress.

Adaptation, Psychological↗
PubMed1997

Serum leptin and short-term regulation of eating in obese women.

1. Leptin is generally thought to play a key role in the regulation of eating. However, its real role in human eating behaviour is still poorly known. Therefore, the role of leptin in the regulation of eating was examined in obese binge- and non-binge-eating women during exposure to food and food-related stimuli. 2. Eleven binge- and ten non-binge-eating obese women took part in the study. In addition to serum leptin, serum insulin, non-esterified fatty acids, plasma glucose, salivation, the feeling of hunger and the desire to eat were repeatedly measured during the experiment. 3. Serum leptin levels did not differ between the binge- and non-binge-eating women. Neither were leptin levels associated with the feeling of hunger or the desire to eat food, nor with the amount or composition of food eaten. During food exposure leptin levels did not change, whereas at the same time serum insulin levels increased and serum non-esterified fatty acid levels decreased. The change in salivation during food exposure was inversely associated with the fasting leptin level. 4. This study indicates that serum leptin does not play a role in the regulation of eating in obese women, at least not in the short term. Furthermore, leptin levels are not different in obese binge-eating women as compared with obese non-binge-eating women. Interestingly, high fasting leptin levels may be associated with a decreased salivation response in the presence of food and food-related stimuli.

Adult↗
PubMed2004

Association of BDNF with anorexia, bulimia and age of onset of weight loss in six European populations.

Several genes with an essential role in the regulation of eating behavior and body weight are considered candidates involved in the etiology of eating disorders (ED), but no relevant susceptibility genes with a major effect on anorexia nervosa (AN) or bulimia nervosa (BN) have been identified. Brain-derived neurotrophic factor (BDNF) has been implicated in the regulation of food intake and body weight in rodents. We previously reported a strong association of the Met66 allele of the Val66Met BDNF variant with restricting AN (ANR) and low minimum body mass index in Spanish patients. Another single nucleotide polymorphism located in the promoter region of the BDNF gene (-270C>T) showed lack of association with any ED phenotype. In order to replicate these findings in a larger sample, we performed a case-control study in 1142 Caucasian patients with ED consecutively recruited in six different centers from five European countries (France, Germany, Italy, Spain and UK) participating in the 'Factors in Healthy Eating' project. We have found that the Met66 variant is strongly associated to all ED subtypes (AN, ANR, binge-eating/purging AN and BN), and that the -270C BDNF variant has an effect on BN and late age at onset of weight loss. These are the first two variants associated with the pathophysiology of ED in different populations and support a role for BDNF in the susceptibility to aberrant eating behaviors.

Age of Onset↗
PubMedDate not supplied

Changes in cerebral blood flow in bulimia nervosa.

Bulimia nervosa is an eating disorder of which characterized psychopathological symptoms are a recurrent episode of binge eating. The changes in cerebral blood flow (CBF) in a patient with bulimia nervosa between his or her different eating phases are presented. CBF was measured quantitatively by means of single photon emission computed tomography using I-123 N-isopropyl-p-iodoamphetamine. CBF of the global brain during a binge-eating phase was higher than that during an anorexic state phase. In the anorexic state, the CBF in the temporal, parietal, and occipital lobes on the right side was lower than that on the left side. In the binge-eating state, a lack of laterality between the right and left cerebral hemispheres was found. This finding suggests that cerebral activity differs between the two phases, and that asymmetry is dependent of the eating state.

Adult↗
PubMed1990

Bulimia nervosa in overweight individuals.

Patients who have bulimia nervosa and are overweight have received little attention in the medical literature. The authors identified 25 patients who weighed greater than or equal to 130% of their ideal body weight out of a series of 591 patients with bulimia nervosa. This subgroup was contrasted with a sample of 25 patients with bulimia nervosa who were 90% to 110% of their ideal body weight. Members of the overweight bulimia nervosa group were binge-eating and vomiting less frequently than the comparison group but were more likely to be abusing laxatives, and to report a history of self-injurious behavior and suicide attempt(s). Both groups reported frequent binge-eating.

Body Weight↗
PubMed1998

Caloric intake patterns of nonpurge binge-eating women.

Daily caloric intake of nonpurge binge-eating women was monitored over 28 days using food diaries to determine how caloric intake patterns were related to binge eating. The majority of participants had extreme fluctuations in daily caloric intake. Caloric intake for both nonbinge days and days preceding the highest-calorie binge days was significantly lower than caloric intake on binge days and highest-calorie binge days. The lower caloric intake was not low enough to cause physiological deprivation. Although there was not physiological deprivation of calories, the individual may have felt that she ate less than desired, which may have contributed to subsequent binge eating.

Adult↗
PubMed1983

Binge-eating and self-induced vomiting in the community. A preliminary study.

This study examined by questionnaire the prevalence of binge-eating and self-induced vomiting among a sample of 369 consecutive attenders at a family planning clinic. 20.9 per cent reported current episodes of uncontrollable and excessive eating ('binges'), 2.9 per cent currently induced vomiting as a means of weight control; and 4.9 per cent reported using laxatives. Binge-eating and self-induced vomiting were strongly associated with disturbed attitudes to food, eating, body weight and shape; and with psychiatric disturbance. Menstrual dysfunction was not associated with either body weight or binge-eating; it was however associated with psychiatric state. Applying conservative rules, 1.9 per cent appeared to fulfil diagnostic criteria for the recently described syndrome bulimia nervosa.

Adolescent↗
PubMed1984

Mood changes in bulimia nervosa.

Daily measurement of mood, and the occurrence of specific eating behaviours, were assessed concurrently over an eight-week period in a sample of 50 patients meeting diagnostic criteria for bulimia nervosa. Results of observer-rated scales of mood showed a significant reduction of scores, whereas self-assessment of mood showed no change over the study period. Negative mood states, although not severe, were more marked when the specific behavioural symptoms of binge-eating, vomiting, or purging occurred, and they increased as abnormal eating behaviours accumulated. It is suggested that the accompanying dysphoric mood states of bulimia nervosa are likely to be a secondary manifestation related to the presence of abnormal eating symptoms, and that they do no constitute a primary depressive illness.

Adolescent↗
PubMed1998

Eating disorders and the cultural forces behind the drive for thinness: are African American women really protected?

Responding to mainstream ideals of female beauty, many women and girls view thinness as a requirement for feeling acceptable to themselves and to others. The drive to be thin can lead to problematic eating patterns, such as self-starvation, binge-eating, and purging, symptoms of the eating disorders, anorexia and bulimia nervosa. Most current literature on eating disorders and the drive for thinness focuses only on White middle-class women and girls. African American females have been largely excluded from studies, due to the assumption that the Black community's acceptance of women with fuller shapes protects its women from eating problems. However, recent studies are beginning to show that race, class, and exposure to a dominant culture which denigrates Black features and physiques impact body image among Black women and may play a role in the development of eating problems.

Adolescent↗
PubMed1988

High-risk situations for engaging in substance abuse and binge-eating behaviors.

Self-reports of high-risk events, situations and experiences associated with substance abuse and binge-eating behaviors were examined in a sample of hospitalized patients being treated for both problems. The question being posed in the present study is: Are the high-risk situations for heavy drinking and binge eating similar or different? Results suggest some similarities in the intensity of specific high-risk situations as represented by questionnaire subscale scores, for both of the problem behaviors, but they point to interesting differences as well. The hierarchical importance of the high-risk situations for the two behaviors were markedly different.

Adult↗
PubMed2001

[Binge-eating in simple obesity].

Binge eating in simple obesity has recently been recognized as a serious clinical problem. In the obese population with binge eating, distinct characteristics have been found by many researchers, such as an early onset of obesity and diet, frequent body weight fluctuation, the amount of time spent dieting, extreme restriction of food intake and an unrealistic ideal of diet. Obese binge eaters also exhibit more psychiatric symptomatology such as distortion of body image, low self-esteem, low self-efficacy, a high level of depression, strong perfectionism, high impulsivity and comorbidity of personality disorders, especially a borderline personality disorder. Cognitive-behavioral therapy and interpersonal psychotherapy are promising for treatment of obese binge eaters. Supportive psychotherapy will add some help by ameliorating psychological distress.

Adult↗
PubMed2001

Disordered eating attitudes and behaviours in teenaged girls: a school-based study.

BACKGROUND: Disordered eating attitudes and behaviours are common in older teens and young women in Western countries. Recent evidence suggests that the prevalence of these disorders is rising and that the age of onset has fallen. In the present study, disturbed eating attitudes and behaviours were evaluated in a large school-based population in Ontario in order to determine their prevalence and demographic distribution. METHODS: Females, aged 12-18 years, from schools in Toronto, Hamilton and Ottawa were invited to complete questionnaires, including 3 subscales of the Eating Disorder Inventory (Drive for Thinness, Body Dissatisfaction, Bulimia), the Eating Attitudes Test-26 (EAT-26) and the Diagnostic Survey for Eating Disorders (DSED). RESULTS: Questionnaires were completed by 1739 (70%) of the 2483 adolescent females who were approached. The mean age of subjects in the sample was 14.6 (standard deviation 1.9) years. Thirteen percent of those aged 12-14 years and 16% of those aged 15-18 years had scores above the recommended cut-off (> or = 20) for disordered eating on the EAT-26. Current dieting to lose weight was reported by 23% of participants. Binge eating with associated loss of control was reported by 15% of participants, self-induced vomiting by 8.2% and the use of diet pills by 2.4%. Laxative and diuretic misuse were uncommon. Dieting was associated with an increased risk of binge-eating and purging behaviours. Older age and body mass index in the highest quartile were independently related to symptoms of eating disorders. INTERPRETATION: Disordered eating attitudes and behaviours were present in over 27% of girls aged 12-18 years and were seen to increase gradually throughout adolescence. Prevention programs to diminish the progression and impact of these disorders should be implemented and assessed.

Adolescent↗
PubMedDate not supplied

[Eating disorders in school children].

OBJECTIVE: To determine the prevalence of possible eating disorders and inappropriate eating behaviors in school children from six municipalities in the state of Minas Gerais, Brazil. METHODS: Cross-sectional study. The Bulimic Investigatory Test of Edinburgh (BITE), Eating Attitude Test (EAT), and Body Image Test were applied to 1,807 public school students with age ranging from 7 to 19 years. RESULTS: According to the EAT, 241 students (13.3%), mostly females, had inappropriate eating behaviors. Nineteen students (1.1%) had a BITE score indicating a possible diagnosis of bulimia nervosa. We found that 1,059 students (59%) were unhappy with their body image; 731 students (40%) were on a diet; and 1,014 (56%) exercised to loose weight. In addition, 218 students (12%) presented binge-eating and 175 students (10%) used purgative methods to control weight. CONCLUSIONS: We observed a high prevalence of possible eating disorders and inappropriate eating behaviors in the study population, especially among female adolescents. These results are similar to those reported for developed countries. The present findings are relevant for the clinical care of children and adolescents and can serve as the basis for future works aimed at increasing our understanding of the risk factors for these illnesses.

Adolescent↗
PubMed1988

Eating disorders in a nonclinical adolescent population: implications for treatment.

The present study investigates the prevalence of adolescent eating disorders across gender, cultural groupings, and socioeconomic status. The Eating Attitudes Test, the Binge-Eating Questionnaire, and a demographic questionnaire were administered to students at two high schools. The results indicate a high rate of eating disorders in a nonclinical adolescent population. The rates for binge eating are comparable to those found in studies of college students--found at a younger age. With regard to SES, cross-cultural and gender findings, it is clear that eating disorders cross socioeconomic class and ethnic groups, and have a higher rate of occurrence in males than previously reported. Given such high rates of eating problems in a nonclinical population, the issue of prevention and early detection must be addressed. Additionally, more specific information on male eating disorders is needed.

Adolescent↗
PubMed1985

Does laxative abuse control body weight? A comparative study of purging and vomiting bulimics.

This study examines the daily food intake and eating habits of 30 bulimia nervosa patients of normal weight; 20 vomited daily and 10 purged daily. The aim was to measure and compare food intakes and to examine the belief that laxative abuse is an effective means of controlling body weight. The results indicate that the purgers control their weight by overall dietary restraint, not by the pharmacological action of the laxatives. The purgers' eating patterns were bulimic, but not gross: mean daily energy intake being in a normal range (2210 +/- 210 kcal/day). Binge-eating by the vomiters was of a different order: mean energy intake was very large (6025 kcal/day), nearly three times that recommended and significantly greater (P less than 0.01) than that eaten by the purgers. There was major daily variation (s.d. = 3605) and, on occasions, huge amounts were recorded, up to 30 000 kcal in a day. Despite this, vomiting was highly effective in preventing weight gain, the mean weights of the vomiters being similar (mean = 98 per cent) to their matched population mean weight (MPMW). In contrast, purging was relatively ineffective, for despite smaller energy intakes, all the purgers were above (mean = 114 per cent)--and some markedly above--their MPMW. This difference between the two groups was significant (P less than 0.01). Reasons for persisting with laxative abuse are discussed.

Adolescent↗