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PubMed2002

Loss of control over eating, adiposity, and psychopathology in overweight children.

OBJECTIVE: To investigate the relationship between loss of control over eating, adiposity, and psychological distress in a nontreatment sample of overweight children. METHOD: Based on self-reports of eating episodes, 112 overweight children, 6-10 years old, were categorized using the Questionnaire of Eating and Weight Patterns-Adolescent Version into those describing episodes of loss of control over eating (LC), and those with no loss of control (NoLC). Groups were compared on measures of adiposity, dieting, and eating behavior, and associated psychological distress. RESULTS: LC children (33.1%) were heavier and had greater amounts of body fat than NoLC children. They also had higher anxiety, more depressive symptoms, and more body dissatisfaction. 5.3% met questionnaire criteria for BED. Episodes of loss of control occurred infrequently, were often contextual, and involved usual meal foods. DISCUSSION: As in adults, overweight children reporting loss of control over eating have greater severity of obesity and more psychological distress than those with no such symptoms. It remains unknown whether children who endorse loss of control over eating before adolescence will be those who develop the greatest difficulties with binge eating or obesity in adulthood.

Analysis of Variance↗

PubMed2001

Parental influences on eating behavior in obese and nonobese preadolescents.

OBJECTIVE: To determine parental influences on obesity, the eating behavior of 80 obese and normal weight children (aged 8-12 years) was investigated in the laboratory. METHOD: A controlled repeated measures design was used. The mother was either present or absent while the child was eating in the laboratory. The eating style was measured by recording cumulative eating curves with a universal eating monitor, using yoghurt as a standardized experimental meal. RESULTS: The eating behavior of obese children differed significantly from normal weight children only when the mother was present in the laboratory. Overweight children ate faster with larger bites and showed an acceleration of their eating rate toward the end of the meal. DISCUSSION: Such an eating style can be hypothesized to explain an increased calorie intake in obese children, promoting a positive energy balance in the long term. The data support a learning model of obesity in childhood, which also has implications for family treatment.

Body Mass Index↗

PubMed2006

Caffeine intake in eating disorders.

OBJECTIVE: The current study compares caffeine consumption in females with an eating disorder and females without an eating disorder. METHOD: Caffeine intake in three diagnostic groups (10 females with anorexia nervosa, 27 females with bulimia nervosa, and 42 females with binge eating disorder [BED]) was compared with caffeine intake in three comparison groups (n = 659 each). Data were obtained from a longitudinal study of Black and White girls. Three-day food records were examined for the years before the onset of the eating disorder, the onset year, and the years after the onset of the eating disorder. Data from the same years were used for the comparison groups. RESULTS: Caffeine intake increased over time between ages 9 and 19 years across all groups and this trend was not moderated by diagnostic status. For anorexia nervosa, relative to the non-eating disorder group, the proportional intake of caffeine from soda increased significantly before onset to onset to after onset and ingestion of chocolate-containing foods decreased sharply over time. CONCLUSION: Caffeine consumption in young girls with eating disorders differs from girls with no eating disorders only for anorexia nervosa, but not for bulimia nervosa or BED.

Adolescent↗

PubMed2006

Body checking in the eating disorders: Associations between cognitions and behaviors.

OBJECTIVE: Body checking behaviors appear to be a manifestation of the cognitive distortions that are central to the maintenance of the eating disorders. However, there is little understanding of the cognitions that drive these behaviors. This study validates a novel measure of such cognitions (Body Checking Cognitions Scale [BCCS]) and examines the association between body checking cognitions, body checking behaviors, and general eating pathology. METHOD: Eighty-four eating-disordered women and 205 non-eating-disordered women each completed measures of body checking behaviors, body checking cognitions and eating pathology. A further 130 nonclinical women completed the measures to provide an independent cross-validation sample for the BCCS. RESULTS: The BCCS was reliable and valid, and cross-validation with an independent sample confirmed the four-factor structure. Eating-disordered women were significantly more likely to experience body checking cognitions than healthy women. Those cognitions were associated with a significant proportion of variance in eating pathology, over and above the variance explained by checking behaviors. CONCLUSION: This study provides evidence for a range of beliefs underlying body checking behavior in eating-disordered women, suggesting that interventions addressing those beliefs might be pertinent in some cases.

Body Image↗

PubMed2007

Intended and unintended effects of an eating disorder educational program: impact of presenter identity.

OBJECTIVE: This study examines the impact of presenter identity on the intended and unintended effects of an eating disorder educational program. METHOD: High school students viewed one of two identical videotaped discussions about eating disorders. In one condition, the presenter was identified as an "eating disorder specialist"; in the other condition, she was identified as a "recovered patient." Before and after watching the video, participants reported on their awareness of various eating disorder symptoms, their beliefs about individuals with eating disorders, and their opinion of the presenter. RESULTS: At Time 2, both groups reported increased knowledge about eating disorders. There was also evidence of increased endorsement of a number of implicit messages, particularly among those in the "recovered patient" group (e.g., "Girls with eating disorders are very pretty"; "It would be nice to look like" the presenter). CONCLUSION: The unintended effects of eating disorder educational programs should be investigated before implementation because of their potential to undermine program efficacy.

Adolescent↗

PubMed2000

Seeing group members eating a familiar food enhances the acceptance of novel foods in capuchin monkeys.

In primates, social context is one of the factors that increases the acceptance of novel foods. Previous experiments showed that tufted capuchins, Cebus apella, eat significantly more of novel foods when in the presence of group members eating the same novel foods. Several processes may have led to these results. The mere presence of group members may reduce the individual's stress of being alone, or its neophobic response and, consequently, may increase its food consumption. The individual may be influenced by what group members do, and local/stimulus enhancement and/or social facilitation may occur. To investigate the above processes, we assessed whether an individual capuchin monkey's consumption of novel foods is lower when (1) the individual is alone with nobody in the nearby cage than when (2) group members are present in the nearby cage with no food or when (3) they are present and eating a familiar food. We tested 15 subjects with three novel foods, each presented in one condition. In both social conditions, the more group members there were by the food box the more the experimental subject ate. In addition, when group members were present and eating food, there was a significant increase in the acceptance of the three foods, regardless of what group members were eating. We argue that social facilitation of eating is a quicker way to overcome neophobia and only social facilitation of eating what the others are eating can be considered a safe way to learn about a safe diet. Copyright 2000 The Association for the Study of Animal Behaviour.

Journal Article↗

PubMed1994

Cognitive control of eating behaviour and the disinhibition effect.

Restrained eaters have been reported to overeat following a high caloric preload, a phenomenon referred to as the disinhibition effect. However this effect has not been found when subjects were classified by the restraint subscales of the Three-Factor Eating Questionnaire (TFEQ; Stunkard & Messick, 1985) or the Dutch Eating Behaviour Questionnaire (van Strien et al., 1986). The present study investigates the disinhibition effect in 133 normal-weight young women, using a two-factorial classification including the TFEQ-restraint and the TFEQ-disinhibition scale. The subjects were requested to consume ice-cream ad libitum during a taste test following a 200-ml milkshake preload or without preload. The results show that the behavioural disinhibition effect occurs only in subjects with simultaneous high scores on both subscales. In addition, subjects with high disinhibition scores consumed more ice-cream than low disinhibition subjects irrespective of their degree of restraint. While subjects with a more rigid control of eating behaviour did not show a difference in the amount of ice-cream consumed with or without preload, subjects with a more flexible control of eating behaviour reduced their intake following the preload condition. With regard to the Revised Restraint Scale (RRS Herman & Polivy, 1980) multiple regression results show that high RRS scores may be due to either higher TFEQ-restraint or higher TFEQ-disinhibition scores. The interpretation of the results favours the renaming of the TFEQ-disinhibition scale to "susceptibility to eating problems" because high scores on this scale indicate overeating in a variety of situations without requiring prior inhibition i.e. dietary restraint. It is supposed that high susceptibility to eating problems may be caused by rigid control of eating behaviour, whereas flexible control of eating behaviour may be a less problematic strategy of long-term weight control.

Adolescent↗

PubMed1994

Correlates of healthy eating habits in low-income black women and Latinas.

BACKGROUND: Few factors related to healthy or unhealthy eating habits in low-income, ethnic minority groups have been identified. In this study, factors associated with healthy and unhealthy eating habits and intent to change eating habits were examined in a sample of low-income Black and Latino women. METHODS: Survey questionnaires designed to identify correlates of healthy eating habits were administered to 243 Black and Latino women whose children were enrolled in Head Start programs in South Central Los Angeles. RESULTS: Having health insurance, lower perceived susceptibility to cancer, and higher levels of social support were significantly related to healthy eating habits. Exposure to domestic violence, lower income and knowledge of risk factors, and lower perceived efficacy in changing health outcome were associated with lower levels of intent to change eating habits. CONCLUSIONS: Economic factors such as insurance coverage and level of social support should be considered in evaluating and addressing eating habits in low-income, ethnic minority women. Exposure to domestic violence and self-efficacy may also be related to intent to change eating habits in these groups.

Adult↗

PubMed2003

Binge eating behaviours, depression and weight control strategies.

The aim of this paper was to explore the relationships between depressive symptoms and weight control strategies in DSM-IV eating disordered patients with binge eating behaviours. We hypothesised that weight control strategies characterised by a loss of control, such as vomiting and purging, may be clinically associated with increased levels of depression. The study population consisted of 402 consecutive outpatients: 27 with binge eating/purging anorexia nervosa (AN-BN), 213 with purging bulimia nervosa (BN-P), 73 with non-purging bulimia nervosa (BN-NP), and 89 with binge eating disorder (BED). The severity of depression was measured using the Beck Depression Inventory (BDI), and binge eating behaviours were investigated using the self-report scale for bulimic behaviours. In the sample as a whole, the severity of depression significantly correlated with the severity of binge eating behaviours, but no significant differences were found in the severity of depression by diagnostic sub-types. In order to avoid the confounding erasing effect of time, a smaller sample of patients with a short history of binge eating behaviours was further explored. Furthermore, because weight control strategies and the eating disorder diagnostic sub-types overlapped imperfectly, the patients were compared on the basis of presence or absence of strategies reflecting an active attempt to master the weight gain due to bingeing behaviours. The patients adopting active control strategies (N = 14) had significantly less severe depressive symptoms than those adopting non-active weight control strategies (N = 39). Finally, the Authors discuss some hypotheses concerning the defensive role of weight control strategies and the impact of illness duration on the clinical expression of depression in eating disordered patients.

Adult↗

PubMed1999

Obsessive-compulsive symptoms as a correlate of severity in the clinical presentation of eating disorders: measuring the effects of depression.

Obsessive-compulsive symptoms have been related to severity in the clinical presentation of eating disorders, whereas the impact of depression on the correlations between their severity and the severity of eating disorders has not been investigated. This paper assesses the effects of depression in 42 adolescent patients who met DSM-IV criteria for anorexia nervosa or bulimia nervosa by using the Yale-Brown Obsessive Compulsive Scale (Y-BOCS), the Eating Disorder Inventory (EDI) and the Beck Depression Inventory (BDI). The results indicate that patients who show elevated obsessionality and compulsivity on the Y-BOCS display a significantly higher degree of disturbed attitudes and behaviours concerning eating than patients with limited obsessionality and compulsivity. However, when the effects of depression are considered, all the differences found disappear. Our study suggests that depression is more directly associated with the severity of eating disorders than obsessive-compulsive symptoms and that the intensity of obsessive-compulsive symptoms in eating disorders is influenced by the intensity of depression. The relations between obsessive-compulsive symptoms, depression and eating disorders are not known. Even so this study highlights the importance of assessing depression when using obsessive and compulsive symptoms as a correlate of severity in the clinical presentation of eating disorders.

Adolescent↗

PubMed2003

Spectrum of binge eating symptomatology in patients treated with clozapine and olanzapine.

The authors explored the binge eating symptomatology in 74 patients receiving clozapine (N = 57) or olanzapine (N = 17), and compared body mass index (BMI, kg/m(2)) and weight gain in patients with and without binge eating symptomatology. Subjects who screened positively for binge eating were interviewed using a modified version of the Questionnaire on Eating and Weight Patterns (QEWP). Current BMIs were assessed cross-sectionally, BMIs at initiation of clozapine/olanzapine treatment retrospectively. Thirty-seven subjects (50%) screened positively. Taking clozapine and olanzapine together, 6/27 (22.2%) females and 3/47 (6.4%) males fulfilled criteria for binge eating disorder, 3/27 (11.1%) females and 2/47 (4.3%) males for bulimia nervosa. Patients who screened positively showed higher current BMIs (26.8 +/- 3.9 vs. 24.7 +/- 3.7 kg/m(2)) and higher BMI increments during clozapine/olanzapine treatment (3.9 +/- 3.1 vs. 2.6 +/- 3.4 kg/m(2)) than patients who screened negatively. We conclude that clozapine/olanzapine may induce binge eating and full blown eating disorders which may have predictive value for weight gain. For future research in this field we suggest a novel DSM-IV research classification "Medication-induced eating disorders".

Adolescent↗

PubMedDate not supplied

The relationship between psychopathology, eating disorder diagnosis, and clinical outcome at 10-year follow-up in anorexia nervosa.

General psychopathology as measured by the Minnesota Multiphasic Personality Inventory (MMPI), eating disorder diagnostic status (DSM-III-R), and clinical outcome were compared in a sample of 59 women 10 years after their hospital treatment for anorexia nervosa. There was a substantial and orderly relationship between severity of eating disorder symptomatology and severity of comorbid general psychopathology at follow-up evaluation. Those who had no eating disorder at follow-up displayed essentially no general psychopathology on the MMPI. Persons still suffering from a severe eating disorder (anorexia or bulimia nervosa) showed clinically significant levels of comorbid general psychopathology, and had significantly higher mean scores than the no eating disorder diagnosis group on seven MMPI clinical scales. Little general psychopathology was displayed by persons receiving a NOS eating disorder diagnosis at follow-up. Their mean MMPI profile was intermediate between those for the no diagnosis and severe eating disorder groups, but closer to that for the no diagnosis group. Rank order correlations were significant between levels of eating disorder symptom severity and all relevant MMPI clinical scales. Severity of psychopathology on the MMPI was also related to ratings of global outcome assessed by two approaches to categorizing outcome in anorexia nervosa.

Anorexia Nervosa↗

PubMed1990

Development of eating behavior and its relation to physical growth in normal weight preschool children.

In order to examine whether some characteristics of eating behavior are related to physical growth and weight increment in young children, a longitudinal prospective study was conducted. The eating behaviors of 11 age-matched normal-weight preschool children were observed at lunchtime on 18 consecutive days. The same set of observations was carried out three times when the children were 40, 52 and 59 months old, on average. MANOVA procedures for repeated measures design revealed that the eating behavior of the subjects changed considerably between the first and second observation stages, whereas it did not change significantly between the second and third stages. It was considered that eating behaviour developed mostly between the first and second observation stages and that the subjects were able to eat completely independently by the second observation stage. The increment in the children's weight per month began to show individual variation at the age of 48 months between the first and second observation stages. Coincidentally, the relationship between eating behavior and physique first appeared at the second observation stage and a similar relationship was observed at the third stage. The partial correlation coefficients and the multivariate multiple regression of MANOVA were performed for this analysis. Meal duration was the factor most strongly related to weight and BMI, whereas in contrast, growth history and familial factors influenced the eating behavior at the first observation stage. The present results indicate that eating behavior was one of the factors related to the rapid increase in weight soon after or just at the time of initiation of complete self-feeding in normal-weight children.

Body Mass Index↗

PubMed2006

Exploring differential patterns of situational risk for binge eating and heavy drinking.

This study was designed to compare risk situations for binge eating vs. heavy drinking among women who struggle with both problems. Participants were 41 women in treatment for an alcohol problem who also self-reported binge eating. Participants completed the Inventory of Binge Eating Situations (IBES; [Baker, J. M. (1998). Binge eating and binge drinking among university women. Unpublished master's thesis, Department of Psychology, Queen's University, Kingston, Ontario, Canada]) and the Inventory of Drinking Situations (IDS-42; [Annis, H. M., Graham, J. M., & Davis, C. S. (1987). Inventory of Drinking Situations (IDS) user's guide. Toronto, Canada: Addiction Research Foundation]) to measure frequency of binge eating and heavy drinking, respectively, in eight categories of situations. A 2 (substance) x8 (situation) repeated measures ANOVA revealed a significant substancexsituation interaction. Further exploration of this interaction indicated that heavy drinking is more likely than binge eating to occur in reward and interpersonal situations involving pleasant emotions, pleasant times with others, social pressure, and conflict with others. In contrast, binge eating and heavy drinking are equally likely to occur in relief situations involving unpleasant emotions, and physical discomfort, as well as in situations involving urges and temptations, and testing control. Implications of findings for the treatment of co-occurring binge eating and heavy drinking in women are discussed.

Adult↗

PubMed2005

Butyrate-induced proapoptotic and antiangiogenic pathways in EAT cells require activation of CAD and downregulation of VEGF.

Butyrate, a short-chain fatty acid produced in the colon, induces cell cycle arrest, differentiation, and apoptosis in transformed cell lines. In this report, we study the effects of butyrate (BuA) on the growth of Ehrlich ascites tumor (EAT) cells in vivo. BuA, when injected intraperitoneally (i.p) into mice, inhibited proliferation of EAT cells. Further, induction of apoptosis in EAT cells was monitored by nuclear condensation, annexin-V staining, DNA fragmentation, and translocation of caspase-activated DNase into nucleus upon BuA-treatment. Ac-DEVD-CHO, a caspase-3 inhibitor, completely inhibited BuA-induced apoptosis, indicating that activation of caspase-3 mediates the apoptotic pathway in EAT cells. The proapoptotic effect of BuA also reflects on the antiangiogenic pathway in EAT cells. The antiangiogenic effect of BuA in vivo was demonstrated by the downregulation of the secretion of VEGF in EAT cells. CD31 immunohistochemical staining of peritoneum sections clearly indicated a potential angioinhibitory effect of BuA in EAT cells. These results suggest that BuA, besides regulating other fundamental cellular processes, is able to modulate the expression/secretion of the key angiogenic growth factor VEGF in EAT cells.

Animals↗

PubMed2006

Core beliefs in dieters and eating disordered women.

OBJECTIVE: The current study aimed to investigate the difference in the levels of core beliefs between eating disordered women and those who showed milder forms of symptomatology. METHODS: Thirty-five eating disordered women, 16 symptomatic dieters, 39 normal dieters and 34 non-clinical comparison women completed questionnaires measuring eating symptomatology (Eating Disorders Inventory [EDI]), core beliefs (Young Schema Questionnaire [YSQ]), depression (The Beck Depression Inventory-II [BDI-II]) and self-esteem (Rosenberg Self-Esteem Inventory [RSE]). RESULTS: With the exception of Entitlement beliefs, there were significant differences in the levels of core beliefs across all four groups. In particular, symptomatic dieters and eating disordered women differed on 8 YSQ subscales despite showing very similar level of eating symptomatology. DISCUSSION: The current findings lend support to the discontinuity model that suggests that there are fundamental differences between women with a clinical eating disorder and those with milder eating psychopathology. The clinical and research implications of the present results were discussed.

Adolescent↗

PubMed1997

Assessment of emotional, externally induced and restrained eating behaviour in nine to twelve-year-old obese and non-obese children.

Are there differences in eating behaviour between obese and non-obese children? Using the parent version of the Dutch Eating Behaviour Questionnaire (DEBQ-parent version), the results of the present study suggest an affirmative answer to this question. The scores for obese children were significantly higher on the scales for emotional, external and restrained eating behaviour. Relationships were found between emotional eating and negative feelings of physical competence; between external eating and negative feelings of self-worth; and between both eating styles and various aspects of problem behaviour. No relationship was found between external eating and locus of control. Higher scores on both scales were associated with greater caloric intake. These findings suggest that DEBQ can be used as a screening instrument for assessing eating styles of obese children.

Analysis of Variance↗

PubMed2000

Guided and unguided self-help for binge eating.

This study compared the relative short- and longer-term efficacy of therapist-guided and unguided use of a cognitive behavioral self-help manual for binge eating [Fairburn, C. G. (1995). Overcome binge eating. New York: The Guilford Press.] Forty women (82.5% with binge eating disorder) were randomized to one of the two treatment levels. Results indicate that both conditions represent viable means of treating binge eating. Overall, patients improved their eating behavior, eliminated any inappropriate compensatory behaviors, reduced their shape concern, weight concern, and other symptoms of eating-related psychopathology, and improved their general psychological functioning. The guided self-help condition was notably superior in reducing the occurrence of binge eating and its associated symptomatology, as well as lowering interpersonal sensitivity. A high degree of general psychopathology was a negative prognostic indicator. The implications for a stepped-care approach to treating binge eating are discussed.

Adult↗