Adolescent Dieting: Healthy Weight Control or Borderline Eating Disorder?

Dieting in adolescent girls is ubiquitous but its health significance is uncertain. On the one hand it might be seen as promoting healthy weight control and on the other it might be considered as a risk, factor for eating disorders. Dieting levels were systematically assessed in a representative group of 252? Australian teenagers and classified using item response theory. In this group, 38% of girls and 12 % of boys we re categorised as intermediate dieters; 7% of girls and 1% of boys fell into a group of extreme dieters. Body mass carried a strong post the association with intermediate dieting. Most female dieters, nevertheless, fell within a normal weight range. Psychiatric morbidity was the clearest factor associated with extreme dieting and 62 % of extreme dieters reported high levels of depression and anxiety. Extreme dieting might reasonably be viewed as lying on a spectrum with clinical eating disorders. Most dieting is unjustified on the grounds of appropriate weight control and appears to reflect a widespread striving of teenage girls towards body shapes at the lower end of age-adjusted norms.     

Premature sexual activity as an indicator of psychosocial risk

Although unprotected premature sexual activity is associated with well-defined biologic risks of sexually transmitted disease and pregnancy, the concomitant psychosocial risks are less well documented. The strength of association (odds ratio) of coital status with other risk behaviors and feelings was examined in 1504 junior high school students. Among the 12 through 16-year-old students, 63% of the boys and 36% of the girls were nonvirginal (had had intercourse at least once). The proportion of sexually experienced boys and girls increased with age. Nonvirginal boys and girls were significantly (P less than .001) more likely than their virginal cohorts to engage in other activities considered risky. The odds ratios for nonvirginal youth ranged from 3.5 for girls having used drugs other than alcohol or marijuana, to 10.4 for girls having used marijuana. Nonvirginal boys and girls were also at significantly greater risk for engaging in minor delinquent acts and having school problems. Nonvirginal girls (but not boys) were 6.3 times more likely to report having attempted suicide. The strength of associations with feelings was weaker. Nonvirginal girls were at slightly greater risk for reporting feeling lonely, feeling upset, and having difficulty sleeping. A significant proportion of the students reported sexual experience and ever use of alcohol or marijuana (45% of boys, 27% of girls). There were strong age effects so that by age 15 years, 63% of the boys and 50% of the girls reported experience with both activities. The data suggest that early sexual experience among adolescents is associated with other potentially health-endangering behaviors and that the syndrome of problem behaviors is important in this age group.     

Self-reported weight status and dieting in a cross-sectional sample of young adolescents: National Health and Nutrition Examination Survey III.

OBJECTIVE: To explore the relationship of self-reported weight status and dieting to actual weight and height in a cross-sectional nationally representative sample of young adolescents. METHODS: Weights and heights were obtained on 1932 adolescents aged 12 to 16 years enrolled in the National Health and Nutrition Examination Survey III. Information on adolescents' perception of weight status, desired weight, and weight loss attempts was obtained by questionnaire. RESULTS: Adolescents' reports of whether they considered themselves overweight or normal weight correlated poorly with medical definitions of overweight: 52% of girls who considered themselves overweight were, in fact, normal weight (body mass index < or = 85th percentile), while only 25% of boys who considered themselves overweight were normal weight (P<.001). Adolescent white girls were significantly more likely to consider themselves overweight, even when their weight status was normal, than black girls (P<.001), black boys (P<.001), and white boys (P<.001). Adolescent white girls were also more likely to diet than black girls (P<.001), black boys (P<.001), and white boys (P<.001). Dieting behavior was associated with whether adolescents viewed themselves as overweight independent of whether they actually were overweight. Racial differences between dieting and self-perceived weight status were limited to girls. There were no significant differences in self-perceived weight status (P = .28), dieting behaviors (P = .99), and desire to weigh less (P = .95) among black and white boys. CONCLUSIONS: Significant sex and racial differences existed in weight perception, desired weight, and dieting. A high proportion of normal-weight white girls consider themselves overweight and have attempted to lose weight.     

Violence risk and protective factors among youth held back in school.

OBJECTIVE: To identify risk and protective factors for violence perpetration among youth with a history of grade retention. DESIGN: Longitudinal analysis of in-home interviews of 13,781 adolescents in grades 7 through 12 conducted in 1995 and 1996. METHODS AND MEASURES: Serious interpersonal violence perpetration at time 2 by time 1 independent variables including measures of community and school context, family context, and individual characteristics. RESULTS: The 20% of girls and 28% of boys who had repeated 1 or more grades were more likely than those who had not to be in the top quintile of violence perpetration at time 2 (P <.001). For both girls and boys with a history of grade repetition, predictive risk factors with an odds ratio of 3 or greater (P <.001) included time 1 violence perpetration, violence victimization, weapon carrying, school problems, and alcohol and marijuana use. Although a high grade point average was a significant protective factor against violence perpetration for both girls (odds ratio, 0.36; P <.05) and boys (odds ratio, 0.23; P <.001), performance on a validated measure of verbal knowledge was not associated with violence perpetration over the study period. School connectedness, parent-family connectedness, and emotional well-being were also significant universal protectors against violence perpetration. CONCLUSIONS: Youth who are held back in school are at heightened risk for violence perpetration. Violence-related behaviors and substance use considerably increase the likelihood of this outcome. The findings suggest that schools can participate in violence prevention by providing youth with a positive community and academic experience.     

Descriptive epidemiology of small screen recreation among Australian adolescents

AIM: To describe the epidemiology of small screen recreation (SSR) that is: television, computer, video, and DVD use among school students aged 11-15 years in New South Wales, Australia. METHODS: Cross-sectional representative population survey (n=2750) of 45 primary and 48 secondary schools in rural and urban areas. Self-reported time spent in SSR was categorised according to national guidelines into less than 2 h per day (low users) or 2 or more hours per day (high users). RESULTS: Of primary and secondary school students, 53% and 72%, respectively, were high users of SSR. Boys spent significantly more time in SSR and were more likely to be high users of SSR compared with girls. For primary students, rural boys had a higher prevalence of high SSR use than urban boys (odds ratio (OR) 1.9, 95% confidence interval (CI) 1.0-3.5), while overweight girls had a higher prevalence than healthy-weight girls (OR 1.8, 95% CI 1.2-2.8). For secondary students, rural boys had a lower prevalence of high SSR use than urban boys (OR 0.5, 95% CI 0.3-0.6), and girls from high SES backgrounds had a lower prevalence than girls from low socio-economic status backgrounds (OR 0.6, 95% CI 0.3-1.0). CONCLUSION: The majority of school students in New South Wales exceed the national guidelines for SSR. Reducing the time spent in SSR among young people is one potential approach to increasing energy expenditure and reducing adiposity or maintaining a healthy weight. First steps for intervention strategies among school-age children to reduce SSR could include teaching awareness skills and self-monitoring techniques.     

Physical activity and body mass index among US adolescents: youth risk behavior survey, 1999

OBJECTIVE: To investigate associations of underweight and overweight with physical activity among high school students in the United States. METHODS: A nationally representative sample of 15 349 US high school students participated in the 1999 Youth Risk Behavior Survey; 13 295 were included in these analyses. Five measures of physical activity were examined as dichotomous variables: (1) vigorous-intensity physical activity (>/=3 vs <3 sessions lasting at least 20 minutes each per week); (2) moderate-intensity physical activity (>/=5 vs <5 sessions lasting at least 30 minutes each per week); (3) strength training (>/=3 vs <3 sessions per week); (4) enrollment in physical education (yes or no); and (5) sports participation (yes or no). Using body mass indexes, students were categorized by percentiles as underweight (5th to 15th to <85th percentiles), at risk for overweight (>/=85th to <95th percentiles), or overweight (>/=95th percentile). Potential associations between physical activity and body mass index were examined using logistic regression. RESULTS: On several measures, adolescent boys who were underweight or overweight were less likely to be physically active than boys of normal weight (eg, odds ratio [OR], 0.23; 95% confidence interval [CI], 0.12-0.45; and OR, 0.75; 95% CI, 0.61-0.93; for boys who were underweight and overweight, respectively, for strength training). Adolescent girls who were overweight or at risk for overweight were less likely (OR, 0.62; 95% CI, 0.50-0.78; and OR, 0.63; 95% CI, 0.46-0.85; respectively) to be involved with sports than girls of normal weight; and girls who were underweight were less likely (OR, 0.44; 95% CI, 0.22-0.91) to be enrolled in physical education. CONCLUSIONS: Weight status among high school students is correlated with selected physical activity behavior, especially among adolescent boys. Interventions to increase physical activity for high school students should target adolescents of all shapes and sizes, and may best be achieved by school policies requiring physical education or after-school sports.     

The relationship of sex and risk behaviours to students' use of school-based health centres in Cape Breton, Nova Scotia

OBJECTIVE:

Among other benefits, school-based health centres (SBHCs) are thought to provide opportunities to identify and help adolescents with risk-taking behaviours. The present study examined the use of SBHCs at three high schools in Cape Breton, Nova Scotia, to determine the extent to which SBHCs reach students at risk, and whether there are sex differences with respect to this reach.

METHODS:

Self-administered surveys of students in grades 10 to 12 at the three high schools were carried out in May 2006.

RESULTS:

The response rate was 70% of registered students. Boys were more often at risk than girls due to substance use, while girls were more often at risk due to sexual activity and suicidal thoughts. More girls visited SBHC nurses than boys (49% versus 10%; P<0.001). After adjusting for age, boys who saw a SBHC nurse were significantly more likely to engage in all risk-taking behaviours than boys who did not see a nurse; girls who saw a nurse engaged in most risk-taking behaviours significantly more often than girls who did not. However, no more than 22% of students with each specific risk behaviour used SBHCs to address those risks, with the exception of girls consulting for sexual health reasons, who made up 59% of all girls in the schools who reported being sexually active.

CONCLUSIONS:

Boys infrequently use SBHCs, and many at-risk students of both sexes do not use SBHCs. If the full potential for these SBHCs to help students with risk behaviours is to be realized, the need to increase reach to students is clear.     

Weight-related behaviors among adolescent girls and boys: results from a national survey

OBJECTIVE: The study objectives were to assess (1) the prevalence of dieting and disordered eating among adolescents; (2) the sociodemographic, anthropometric, psychosocial, and behavioral correlates of dieting and disordered eating; and (3) whether adolescents report having discussed weight-related issues with their health care providers. DESIGN: Cross-sectional school-based survey. STUDY POPULATION: A nationally representative sample of 6728 adolescents in grades 5 to 12 who completed the Commonwealth Fund surveys of the health of adolescent girls and boys. MAIN OUTCOME MEASURES: Dieting and disordered eating (binge-purge cycling). RESULTS: Approximately 24% of the population was overweight. Almost half of the girls (45%) reported that they had at some point been on a diet, compared with 20% of the boys. Disordered eating was reported by 13% of the girls and 7% of the boys. Strong correlates of these behaviors included overweight status, low self-esteem, depression, suicidal ideation, and substance use. Almost half of the adolescents (38%-53%) reported that a health care provider had at some point discussed nutrition or weight with them. Discussions on eating disorders were reported by lower percentages of girls (24%) and boys (15%). CONCLUSIONS: The high prevalence of weight-related concerns suggests that all youth should be reached with appropriate interventions. Special attention needs to be directed toward youth at greatest risk for disordered eating behaviors, such as overweight youth, youth engaging in substance use behaviors, and youth with psychological concerns such as low self-esteem and depressive symptoms.     

Television, computer use, physical activity, diet and fatness in Australian adolescents.

PURPOSE: To examine sedentary behaviours (including television viewing, playing computer games and computer use), diet, exercise and fitness in relation to overweight/obesity in Australian adolescents. METHODS: Questionnaires elicited food frequency data, time spent in TV-viewing, using computers, other sedentary occupations and physical activity recall. Weight, height and fitness (laps completed in the Leger test) were measured. RESULTS: Among 281 boys and 321 girls, mean age 12 years (SD 0.9), 56 boys (20.0%) and 70 girls (23.3%) were overweight/obese. Greater fitness was associated with decreased risk of overweight/obesity in boys (Odds ratio [OR] 0.74; 95% CI 0.55, 0.99) and girls (OR 0.93; 95% CI 0.91, 0.99). TV-viewing predicted increased risk in boys (OR 1.04; 95% CI 1.01, 1.06) and decreased risk in girls (OR 0.99; 95% CI 0.96, 0.99). Computer use, video games, and other sedentary behaviours were not significantly related to risk of overweight/obesity. Vegetable intake was associated with lower risk in boys (OR 0.98; 95% CI 0.97, 0.99); greater risk was associated with lower fat intake in boys and girls, lower consumption of energy-dense snacks in boys (OR 0.74; 95% CI 0.62, 0.88) and greater intake of vegetables in girls (OR 1.02; 95% CI 1.00, 1.03), suggesting dieting or knowledge of favourable dietary choices in overweight/obese children. CONCLUSIONS: Among these adolescents, fitness was negatively related to risk for overweight/obesity in boys and girls. TV-viewing was a positive predictor in boys and a negative predictor in girls but the effect size was small; other sedentary behaviours did not predict risk.     

Weight concerns and weight control behaviors of adolescents and their mothers

OBJECTIVE: To assess the association between weight concerns and weight control practices of adolescents and their mothers. DESIGN AND PARTICIPANTS: Cross-sectional study of 5331 adolescent girls and 3881 adolescent boys (age range, 11.8-18.4 years) in an ongoing cohort study and their mothers. Participants were included in the analysis if both the adolescent and his or her mother returned a questionnaire mailed in 1999 and provided information on weight, height, and weight concerns. RESULTS: More adolescent girls (33.0%) than boys (8.1%) thought frequently about wanting to be thinner. Compared with adolescent girls who accurately perceived that their thinness was not important to their mother, girls who misperceived (odds ratio [OR] = 1.9; 95% confidence interval [CI], 1.3-2.8) or accurately perceived (OR = 2.85; 95% CI, 1.0-8.4) that it was important to their mother that they be thin were significantly more likely to think frequently about wanting to be thinner. Among the adolescent boys, only those who accurately perceived that it was important to their mother that they not be fat were more likely than their peers to think frequently about wanting to be thinner (OR = 3.8; 95% CI, 2.3-6.2). Adolescents who accurately perceived that it was important to their mother to be thin or not fat were significantly more likely to be frequent dieters than their peers who accurately perceived that their weight was not important to their mother. CONCLUSION: Among adolescents, an accurate perception that weight status is important to their mother is associated with thinking frequently about wanting to be thinner and about frequent dieting.     

Perceived pubertal timing, pubertal status and the prevalence of alcohol drinking and cigarette smoking in early and late adolescence: a population based study of 8950 Norwegian boys and girls

Aim: To study whether perceived pubertal timing is related to the prevalence of alcohol drinking and cigarette smoking among adolescent boys and girls. Methods: The Young‐HUNT study (95–97), conducted in Nord‐Trøndelag County in Norway, comprises information from 8950 students, aged 13–19 years. Odds ratios (OR) with 95% confidence intervals (CI) related to alcohol drinking and cigarette smoking were estimated by logistic regression analyses. Results: Boys and girls who perceived themselves as early matured were more likely to report more risky drinking than those who perceived themselves as being on time, both in middle school and high school. A nearly identical pattern was found for smoking. However, boys in middle school, who perceived themselves as late, were more likely to smoke than those who were on time. Conclusion: In both genders, perceived early maturation was associated with increased risk behaviour involvement. Perceptions of being early in combination with high pubertal status yielded the highest prevalence of alcohol and tobacco use.     

Effects of 2 prevention programs on high-risk behaviors among African American youth: a randomized trial

OBJECTIVE: To test the efficacy of 2 programs designed to reduce high-risk behaviors among inner-city African American youth. DESIGN: Cluster randomized trial. SETTING: Twelve metropolitan Chicago, Ill, schools and the communities they serve, 1994 through 1998. PARTICIPANTS: Students in grades 5 through 8 and their parents and teachers. INTERVENTIONS: The social development curriculum (SDC) consisted of 16 to 21 lessons per year focusing on social competence skills necessary to manage situations in which high-risk behaviors occur. The school/community intervention (SCI) consisted of SDC and school-wide climate and parent and community components. The control group received an attention-placebo health enhancement curriculum (HEC) of equal intensity to the SDC focusing on nutrition, physical activity, and general health care. MAIN OUTCOME MEASURES: Student self-reports of violence, provocative behavior, school delinquency, substance use, and sexual behaviors (intercourse and condom use). RESULTS: For boys, the SDC and SCI significantly reduced the rate of increase in violent behavior (by 35% and 47% compared with HEC, respectively), provoking behavior (41% and 59%), school delinquency (31% and 66%), drug use (32% and 34%), and recent sexual intercourse (44% and 65%), and improved the rate of increase in condom use (95% and 165%). The SCI was significantly more effective than the SDC for a combined behavioral measure (79% improvement vs 51%). There were no significant effects for girls. CONCLUSIONS: Theoretically derived social-emotional programs that are culturally sensitive, developmentally appropriate, and offered in multiple grades can reduce multiple risk behaviors for inner-city African American boys in grades 5 through 8. The lack of effects for girls deserves further research.     

Health-compromising behaviors: why do adolescents smoke or drink?: identifying underlying risk and protective factors

OBJECTIVES: To better understand the motivation for adolescent smoking and drinking and to identify the underlying risk and protective factors associated with these behaviors among adolescents. DESIGN: Cross-sectional, school-based survey of students in grades 5 through 12. PARTICIPANTS: A nationally representative sample of 2574 boys and 2939 girls in grades 7 through 12 from 297 public, private, and parochial schools across the United States who participated in The Commonwealth Fund Survey of the Health of Adolescent Girls and Boys in 1997. MAIN OUTCOME MEASURES: Sex-specific adjusted relative risks (RRs) and 95% confidence intervals (CIs) comparing self-reported regular smokers and regular drinkers by risk and protective factors with adolescents reporting none of these behaviors. RESULTS: Adolescent boys and girls were equally likely to be regular smokers (11.2%). The prevalence rate of regular drinking was only slightly higher for boys (22.4%) than it was for girls (19.3%). The rates of both health-risk behaviors were significantly higher for those reporting risk factors, and the strengths of associations varied by sex. Sex differences also emerged in motivation for engaging in these behaviors. When we adjusted for demographic characteristics, exposure to childhood abuse (RR, 4.1; 95% CI, 2.4-7.0) and stressful life events (RR, 2.4; 95% CI, 1.1-5.4) were strongly associated with increased risk for boys' regular smoking. Similar associations were found for regular drinking. For girls, a history of abuse (RR, 1.8; 95% CI, 1.1-2.8), violence within the family (RR, 2.2; 95% CI, 1.6-3.2), depressive symptoms (RR, 1.6; 95% CI, 1.0-2.4), and stressful life events (RR, 3.1; 95% CI, 1.8-5.6) were significantly associated with increased risk for regular smoking. Similar associations were again found for regular drinking. Parental support was protective against both health-risk behaviors for both sexes. Participation in extracurricular activities was associated with lower risk for regular smoking for boys (RR, 0.4; 95% CI, 0.2-0.7) and for girls (RR, 0.3; 95% CI, 0.2-0.5); however, there was no significant association between drinking behavior and participation in activities. CONCLUSIONS: The increased risk for regular smoking and regular drinking among adolescents with a history of abuse, family violence, depressive symptoms, and stressful life events suggests that routine screening for abuse, violence, and other family experiences should be an essential component of adolescent health care visits. Effective prevention programs to reduce smoking and drinking among adolescents should recognize that health-risk behaviors may be associated with other negative life experiences and that the strength of these associations differs by sex.     

Behavioral risk, emotional risk, and child abuse among adolescents in a nonclinical setting

In this replication study of adolescents in a nonclinical setting, the prevalence of reported problem behaviors, emotions, and abuse is evaluated, and the impact of abuse on multivariate emotional and behavioral risk is assessed. A total of 3998 students (69%) in a rural midwestern community in grades 7 to 12 participated in the study. Almost 20% of the students reported some form of physical and/or sexual abuse, with more girls than boys reporting sexual abuse (chi 2 = 48.5, P less than .001). Some problem behaviors (alcohol use) and emotions (trouble sleeping, difficulty with anger) were common among all adolescents and some were strongly associated with a history of abuse (especially, considering or attempting suicide, running away, laxative use, and vomiting to lose weight). Higher emotional and behavioral risk scores among abused students were confirmed. The effects of physical and sexual abuse on risk scores were independent and additive; no interaction was observed. An interaction of gender and sexual abuse on problem behavior was observed, with problem behavior being significantly greater among sexually abused boys. The results confirm increased risk of problem behaviors and negative feelings among abused adolescents when compared with nonabused peers, and better define influences of gender and abuse type on emotional and behavioral risks.     

Cross-sectional study of female students reporting anabolic steroid use

OBJECTIVE: To determine the characteristics of female US high school students reporting anabolic steroid use. DESIGN: Cross-sectional assessment using the 2003 Centers for Disease Control and Prevention national school-based Youth Risk Behavior Survey database. SETTING: Nationally representative sample of US high schools. PARTICIPANTS: Female students in grades 9 through 12 (n = 7544). MAIN OUTCOME MEASURES: Participants' self-reported anabolic steroid use was compared with other health-related behaviors and with sports participation. RESULTS: Prior or ongoing anabolic steroid use was reported by 5.3% of female high school students. Those adolescent girls had a marked increase in other health-compromising behaviors, including past 30-day use of alcohol (odds ratio [OR], 8.83; 95% confidence interval [CI], 5.49-14.20]), cigarettes (OR, 5.14; 95% CI, 3.14-8.42), marijuana (OR, 7.91; 95% CI, 5.20-12.04), cocaine (OR, 10.78; 95% CI, 6.18-18.81), and diet pills (OR, 4.86; 95% CI, 2.98-7.93). They were more likely to carry a weapon (OR, 7.54; 95% CI, 4.83-11.76), have had sexual intercourse before age 13 years (OR, 2.90; 95% CI, 1.58-5.33), and have had feelings of sadness or hopelessness almost every day for at least 2 consecutive weeks (OR, 4.13; 95% CI, 2.57-7.22). They were less likely to play school-sponsored team sports (OR, 0.52; 95% CI 0.34-0.80). Steroid users participating in sports shared the same problem behaviors as steroid users not participating in team athletics. CONCLUSION: Self-reported anabolic steroid use is not confined to adolescent girls in competitive athletics and is an indicator of adolescent girls with a marked increase in a cluster of other health-harming behaviors.     

Marked increase in the prevalence of obesity in children of the Seychelles, a rapidly developing country, between 1998 and 2004.

BACKGROUND: There are few data on overweight in children in developing countries. Such data are important to guide public health policy. We assessed trends in the prevalence of overweight and obesity in children from the Seychelles, a middle-income island state in the Indian Ocean. METHODS: Multiple cross-sectional surveys were conducted each year between 1998 and 2004 on all students of all schools in four selected school grades (creche, 4th, 7th and 10th years of mandatory school). Weight and height were measured and children were asked about walking time and frequency of physical exercise at leisure time. Excess weight categories were defined according to the criteria of the International Obesity Task Force (IOTF) and the U.S. Centers for Disease Control and Prevention (CDC). RESULTS: Data were available for 33 340 observations in 1998-2004, corresponding to 23,459 individual children measured once or several times. Based on IOTF criteria, the prevalence of 'overweight' or 'obesity' increased from 8.7% to 13.5% in boys, and from 11.8% to 18.6% in girls from 1998 to 2004 (P < 0.001). The prevalence of 'obesity' increased from 2.1% to 5.2% in boys and from 3.1% to 6.2% in girls (P < 0.001). Using CDC criteria, the prevalence of 'at risk of overweight' and 'overweight' increased by similar proportions. The shift towards higher values over time was larger in the upper than the lower tail of the BMI distribution. Physical activity decreased over calendar years and was inversely associated with excess weight. CONCLUSIONS: The prevalence of excess weight increased markedly over a seven-year period in children in the Seychelles. This is likely to reflect a rapid nutrition transition with increasingly positive energy balance. These findings stress the need for programs and policies aimed at promoting physical activity and healthy nutrition in countries in epidemiological transition.     

Fear of obesity among adolescent girls

The perceptions concerning weight, dieting practices, and nutrition of 326 adolescent girls attending an upper middle-class parochial high school were studied in relation to their body weight. Underweight or overweight students were those with greater than 10% body weight differential for height. The high school students reported an exaggerated concern with obesity regardless of their body weight or nutrition knowledge. Underweight, normal weight, and overweight girls were dieting to lose weight and reported frequent self-weighing practices. As many as 51% (n = 60) of the underweight adolescents described themselves as extremely fearful of being overweight and 36% (n = 43) were preoccupied with body fat. A distorted perception of ideal body weight was documented, particularly among the underweight students; the greater the underestimation of perceived ideal body weight, the greater the actual deficit in ideal body weight for height of the students (r = .73; P less than .001). Normal weight and overweight girls had better concordance between their actual and perceived ideal body weight for height. The frequency of bingeing and vomiting behaviors was similar among the three weight categories. The data suggest that fear of obesity and inappropriate eating behaviors are pervasive among adolescent girls regardless of body weight or nutrition knowledge.