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PubMed2006

To what extent is the protective effect of breastfeeding on future overweight explained by decreased maternal feeding restriction?

OBJECTIVE: Previous studies have found that breastfeeding may protect infants against future overweight. One proposed mechanism is that breastfeeding, as opposed to bottle feeding, promotes maternal feeding styles that are less controlling and more responsive to infant cues of hunger and satiety, thereby allowing infants greater self-regulation of energy intake. The objective of this study was to determine the extent to which the protective effect of breastfeeding on future overweight is explained by decreased maternal feeding restriction. PATIENTS AND METHODS: We studied 1012 mother-infant pairs in Project Viva, an ongoing prospective cohort study of pregnant mothers and their children. The main exposure was breastfeeding duration, assessed at 1 year postpartum. At 3 years of age, the main outcomes were age- and gender-specific BMI z score and the sum of subscapular and triceps skinfold thicknesses, with overweight defined as a BMI > or = 95th percentile. We defined maternal restriction of infant's access to food as strongly agreeing or agreeing, with the following question from the Child Feeding Questionnaire: "I have to be careful not to feed my child too much." To examine the association between breastfeeding duration and our outcomes, we used multivariate linear and logistic models, adjusting for several potential confounders. In subsequent models, we also adjusted for maternal restriction of infant's access to food. RESULTS: The mean duration of breastfeeding was 6.5 months, and 12% of women strongly agreed or agreed with the restriction question. At age 3, mean for BMI z score was 0.47. Each 3-month increment in breastfeeding duration was associated with a reduction of 0.045 BMI z score. After adjusting for maternal restriction, the estimate was -0.039, a 13% attenuation. CONCLUSION: The protective effect of breastfeeding on future overweight seems to be explained only partially by decreased maternal feeding restriction.

Adult↗
PubMed2006

[Prevalence of overweight and obesity in school children of Santos city, Brazil].

The aim of this population-based study was to estimate the prevalence of overweight and obesity in public and private schools of Santos city, Brazil. We evaluated a total of 10,822 children aged 7 to 10 years old. Determination of overweight and obesity was obtained by the 85th and 95th percentiles of BMI for age, respectively, as proposed by CDC in 2000. The overall prevalence rates of overweight and obesity were 15.7% (CI 95%= 15.0% to 16.4%) and 18.0% (17.3% to 18.7%), respectively. The prevalence of overweight was 13.7% (12.6% a 14.8%) in boys and 14.8% (13.7% a 15.9%) in girls of public schools. In private schools, the rates were 17.7% (15.7% to 19.7%) in boys and 22.2% (20.0% to 24.4%) in girls. Obesity was found in 16.9% (15.7% to 18.1%) of the boys and 14.3% (13.2% to 15.4%) of the girls of public schools. In the private schools, 29.8% (27.4% to 32.2%) of the boys and 20.3% (18.2% to 22.4%) of the girls were obese. We concluded that the prevalence of obesity in public and private schools in the city of Santos is higher than other studies conducted in Brazil and in other countries of Latin America. Private schools showed higher prevalence rates of obesity than public schools (p= 0.001).

Body Mass Index↗
PubMed2005

Overweight and obesity as risk indicators for periodontitis in adults.

BACKGROUND: Developed and developing countries are facing an obesity epidemic with various health consequences. Few studies have addressed the relationship between obesity and periodontal health. The present study assessed the association of overweight and obesity with periodontitis in Brazilian adults. METHODS: A representative probability sample comprising 706 subjects aged 30 to 65 years from south Brazil was examined clinically and using a structured interview. Overweight and obesity were assessed by body mass index (BMI) using the World Health Organization (WHO) criteria. Individuals with > or =30% teeth with attachment loss > or =5 mm were classified as having periodontitis. Statistical analysis accounted for survey design, and separate analyses were performed for non-smokers. RESULTS: In this population, 60% and 65% of males and females, respectively, were overweight or obese. Periodontitis was observed in 50.7% and 35.3% of males and females, respectively. The percentage of males with periodontitis was similar in the overweight/obese individuals compared to those with normal weight. In females, there was a positive correlation between the BMI index and the occurrence of periodontitis, with a significantly (P < 0.05) higher prevalence of periodontitis in obese than in normal weight females. The multivariable analysis showed that obese females were significantly more likely (odds ratio = 2.1) to have periodontitis than normal weight females. A separate analysis for non-smokers showed that obese females were approximately 3.4 times more likely to have periodontitis than the normal BMI group. There were no significant differences in the prevalence of periodontitis between BMI groups among smokers of both genders and in male non-smokers. CONCLUSIONS: Obesity was significantly associated with periodontitis in adult, non-smoker women. Overweight was not significantly associated with periodontitis. Smoking may attenuate the association of periodontitis with obesity.

Adult↗
PubMed2004

Prevalence of overweight, obesity, and comorbid conditions among U.S. and Kentucky adults, 2000-2002.

INTRODUCTION: Obesity rates for adults in Kentucky are regularly among the highest in the nation. Since 1991, adult obesity in Kentucky and the United States has nearly doubled. This trend is of great concern because excess weight has been associated with several chronic diseases and conditions. This paper reports on the prevalence of overweight and obesity among adults in Kentucky between 2000 and 2002. The estimates produced by this study will provide baseline figures for developing Kentucky's statewide obesity action plan. METHODS: A secondary data analysis was performed using the Centers for Disease Control and Prevention's Behavioral Risk Factor Surveillance System. Prevalence estimates and odds ratios were calculated for the United States and Kentucky. RESULTS: In Kentucky, 24.2% of adults were obese, compared with 21.9% nationally (P < .001). There were also significantly more overweight adults in Kentucky than there were nationwide (P < .001). Logistic regression showed that overweight and obese adults were more likely to report various comorbid conditions. CONCLUSION: Overweight and obesity estimates in Kentucky were significantly higher than nationwide figures. However, overweight/obese adults in Kentucky were no more likely than their U.S. counterparts to report selected comorbid conditions.

Adolescent↗
PubMed2005

[Oral glucose tolerance and insulin release test in 52 cases of obese and overweight children].

OBJECTIVE: To assess the state of glucose metabolism and beta-cell function in obese and overweight children. METHODS: Levels of glucose and insulin were detected during oral glucose tolerance test in 52 obese and overweight children aged 11.3 +/- 1.8 years with body mass index (BMI) 30.2 +/- 19.2 kg/m(2). Insulin resistance index (IR = FIN x FPG/22.5), insulin sensitivity index (IS = 1/FIN x FPG) and ratio of insulin increment to glucose increment at 30' (I(30)-I(0)/G(30)-G(0)) post oral glucose were measured. (FIN = fasting insulin. FPG = fasting plasma glucose). The IR, IS and the ratio post oral glucose were compared among groups with varying BMI and between groups of impaired glucose tolerance (IGT) and control. Serum triglyceride determination and B ultrasonography of liver were performed. RESULTS: (1) one patient with type 2 diabetes (1.9%) and 5 patients with IGT (9.6%) were found. (2) IR (> or = 2.8) was observed in 76.9% of the cases. (3) The IR, IS and their ratio showed no difference between the compared groups. (4) IR and IS did not show significant difference but there was significant difference in ratio between the IGT and control group. (5) Increased serum triglyceride and fatty liver were noted in 36.5% and 53.3% of the cases, respectively. CONCLUSION: The results indicated that insulin resistance and reduced insulin sensitivity in obese and overweight children are common, and these changes seemed not to correlated with the varying degree of BMI. Beta-cells function was obviously impaired in obese children with IGT and disorder of lipid metabolism exists in many obese and overweight children revealed.

Adolescent↗
PubMedDate not supplied

Mothers' perceptions of overweight and obesity in their children.

BACKGROUND: Childhood obesity is a growing health concern and the literature implicates parents, particularly mothers. AIM: To develop understandings into the views of a group of mothers with an overweight or obese child, about their child's overweight or obesity. METHOD: A qualitative design informed by feminist insights. Eleven English speaking mothers of at least one overweight or obese child were drawn from a large urban community in metropolitan Australia to participate in this study. RESULTS: Participants attributed their child's obesity to factors such as slow metabolism, sedentary lifestyle, familial or cultural factors, genetics, eating habits such as not drinking enough water, or not chewing food adequately. Participants were very concerned about their child's weight problems and their immediate concerns focussed on social problems associated with obesity/overweight. CONCLUSION: Understanding parental views about their children's overweight and obesity is a key step in forming effective liaisons between health professionals and parents.

Adolescent↗
PubMed2006

Television-viewing characteristics of adults: correlations to eating practices and overweight and health status.

INTRODUCTION: The purpose of this study was to examine the associations among television viewing, eating practices, and overweight and health status of a nationally representative sample of adults in the United States. METHODS: Data on adults aged 20 years or older from the U.S. Department of Agriculture's Continuing Survey of Food Intakes by Individuals 1994-1996 were used for the study. Participants' socioeconomic and demographic characteristics, macronutrient intakes, weight status, prevalence of health conditions, television viewing, and overweight status were analyzed. Survey design effects were used in the analyses. RESULTS: More than 2 hours of television viewing per day was associated with a high mean body mass index and overweight or obesity in both men and women. Other characteristics associated with watching more than 2 hours of television per day were being 50 years of age or older, having a high school education or less, living in a household with income below 131% of the federal poverty level, and not being employed. Adults who watched more than 2 hours of television per day had high intakes of energy and macronutrients and were more likely to be overweight. They also obtained more energy from snacks and supper. A higher percentage of adults with health conditions watched more than 2 hours of television per day compared with adults without health conditions. CONCLUSION: Obesity intervention programs, especially those aimed at adults who are retired or not employed, should emphasize reducing time spent viewing television or videos or participating in similar sedentary activities and discourage snacking or eating while watching television.

Adult↗
PubMed2006

Assessing overweight and obesity risk among Korean Americans in California using World Health Organization body mass index criteria for Asians.

INTRODUCTION: Although it is known that at comparable body mass index (BMI) levels Asian Americans have a higher prevalence of high blood pressure, heart disease, and type 2 diabetes than whites, little is known about the social, behavioral, and cultural factors associated with obesity risk in this population. METHODS: A cross-sectional analysis of the 2003 California Health Interview Survey was performed to estimate overweight and obesity prevalence among Korean Americans using BMI criteria suggested by the World Health Organization for Asian populations worldwide. In addition, associations between demographics, social, behavioral, and cultural factors and the risk of being overweight and obese were examined. RESULTS: Of 492 Korean American respondents, 38% were overweight and 8% were obese according to World Health Organization body mass index criteria for Asians. In a multivariate analysis, sex, marital status, poverty, and length of residence in the United States were associated with BMI. Men were more likely to be overweight or obese than women, and length of residence in the United States was strongly associated with higher body mass index. CONCLUSION: Like other ethnic groups, Korean Americans have a sociodemographic profile that is identified with an increased risk of becoming obese. Considering these factors in developing early diet and physical activity interventions could be an important opportunity to prevent weight gain and diminish disease caused by obesity. This study also suggests how meaningful BMI criteria tailored for Asian Americans could be used to more accurately measure risk of obesity within a heterogeneous population such as the U.S. population.

Adolescent↗
PubMedDate not supplied

[Overweight and obesity in health team of a family medicine unit].

INTRODUCTION: The overweight and obesity are important public health problems in Mexico and around the world because it has been a progressive growth. OBJECTIVES: To identify the frequency of overweight and obesity in heath workers at a family care unit in the Mexican Institute of Social Security. MATERIAL AND METHODS: A descriptive, glimpsing and transversal study was done. In this study were included 207 workers between them were family doctors, gastroenterologists, nurses, medical assistants, social workers and laboratory workers. All of them were personnel of the health care unit and they were follow from January to February 2001. The body mass index was measured (kg/m(2)) on all of them and the results are the following: RESULTS: There were overweight and obese in 46% of them; the results showed that males were more affected (54%) in comparison with studies in Mexican adult in general population. According to age, people 50 years old or more were most affected (57%). According with the kind of health job that they do, the laboratory workers got 64%, family doctors and gastroenterologist got 58%, they were the most affected groups. CONCLUSIONS: Overweight and obesity were frequent in heath care workers. This research shows a higher frequency of obesity in men compared with the studies of general adult population in Mexico. It is necessary to apply health care programs to improve life style and nutrition between health workers as well as fit programs.

Adult↗
PubMed2005

Weight loss in overweight adults and the long-term risk of hypertension: the Framingham study.

BACKGROUND: Few studies address long-term effects of weight loss on risk of incident hypertension among overweight adults. METHODS: We evaluated weight loss among 623 overweight (body mass index [calculated as weight in kilograms divided by the square of height in meters] >/=25) middle-aged (aged 30-49 years) and 605 overweight older (aged 50-65 years) adults in Framingham, Mass. Subjects were classified first according to amount of weight lost over 4 years: (1) weight changed by less than 1.8 kg (stable weight), (2) lost 1.8 to less than 3.6 kg, (3) lost 3.6 to less than 6.8 kg, and (4) lost 6.8 kg or more. We also classified weight loss according to whether it was sustained during the next 4 years. RESULTS: After adjusting for age, sex, education, baseline body mass index, height, activity, smoking, and alcohol intake, weight loss of 6.8 kg or more led to a 21% to 29% reduction in long-term hypertension risk. After adjusting for cancer or cardiovascular disease occurring during follow-up, weight loss of 6.8 kg or more led to a 28% reduction in risk (relative risk [95% confidence interval], 0.72 [0.49-1.05]) for middle-aged adults and a 37% reduction (0.63 [0.42-0.95]) for older adults. Sustained weight loss led to a 22% reduction in hypertension risk (0.78 [0.60-1.03]) among middle-aged and a 26% reduction (0.74 [0.56-0.97]) in older adults. This risk reduction was strengthened by adjustment for prevalent cancer or cardiovascular disease during follow-up. CONCLUSION: A modest weight loss, particularly when sustained, substantially lowers the long-term risk of hypertension in overweight adults.

Adult↗
PubMed2003

Lower risk of overweight in school-aged food insecure girls who participate in food assistance: results from the panel study of income dynamics child development supplement.

BACKGROUND: A quarter of US children are at increased risk of obesity-related health problems because of excess weight. The few national studies of child overweight and inadequate household resources available to purchase healthy foods, or food insecurity, have shown inconsistent results. We hypothesized that the inconsistency in these results may be attributed to a differential effect of participation in food assistance programs in food secure and food insecure households. METHODS: Using the 1997 Panel Study of Income Dynamics Child Development Supplement, we compared the risk of a child aged 5 to 12 years being at or above the 85th percentile of body mass index for age in food insecure and food secure, low-income households when controlling for participation in the Food Stamp Program and the national school lunch and breakfast programs as well as other covariates. RESULTS: We found that food insecure girls who participated in all 3 programs had a 68% reduced odds (odds ratio, 0.32; 95% confidence interval, 0.12-0.77) of being at risk of overweight when compared with food insecure girls in nonparticipating households and controlling for other factors. Girls in food secure households generally had no greater or less risk of overweight if they participated in any or all programs. Boys in both food insecure and food secure households had no greater or less risk of overweight by if they participated in any or all of the programs. CONCLUSIONS: These results support our hypothesis that food assistance programs play a protective role for low-income children's health, particularly in girls in food insecure households.

Body Mass Index↗
PubMed2000

Changes in body mass index and prevalence of overweight in survivors of childhood acute lymphoblastic leukemia: role of cranial irradiation.

BACKGROUND: The risk factors responsible for an increased prevalence of obesity or overweight in survivors of acute lymphoblastic leukemia (ALL) remain controversial. We evaluated changes in body mass index (BMI) in a cohort of ALL survivors, all of whom have been followed until completion of linear growth. PROCEDURE: BMI (weight/height(2)) was used as an index of adiposity and was calculated at diagnosis, at the end of treatment, and at attainment of final height in a cohort of 126 (59 males) survivors of ALL. BMI was adjusted for age and sex by computing a BMI standard deviation score (SDS) or z score. The spectrum of therapies used included intrathecal chemotherapy given alone (n = 38) or combined with cranial irradiation (CRT; 18 Gy, n = 35; 24 Gy, n = 53) and exposure to prednisone at a low dose (<3.5 gm, n = 49), medium dose (3.5-9.4 gm, n = 46), or high dose (>9.4 gm, n = 30). RESULTS: Overall, mean +/- SEM BMI-SDS increased significantly between diagnosis (-0.18 +/- 0.08) and the end of therapy (0.41 +/- 0.09, P < 0.01), with no significant change thereafter. For patients without CRT, mean BMI-SDS remained unchanged, whereas, for those so treated, mean BMI-SDS increased significantly between diagnosis and the completion of therapy (P < 0.001). The change in mean BMI-SDS was greater in the 24 Gy group vs. the 18 Gy CRT sample (P < 0.005). In a multivariate logistic regression model, CRT was an independent predictor of being overweight (BMI >/=85 percentile) at attainment of final height [odds ratio = 1.6 (95% confidence interval 1.0-23. 1)]. The percentage of subjects who were overweight at attainment of final height was 10.5%, 40%, and 38% for subjects treated with no CRT, 18 Gy CRT, or 24 Gy CRT, respectively (P < 0.01). CONCLUSIONS: Children with ALL given CRT develop increases in their BMI-SDS early on and during treatment and remain at significant risk for becoming overweight as young adults, a development that may increase their already heightened risk for various adverse health outcomes.

Adolescent↗
PubMed2005

Psychological interventions for overweight or obesity.

BACKGROUND: Overweight and obesity are global health problems which are increasing throughout the industrialised world. If left unchecked, they will continue to contribute to the ever increasing noncommunicable disease burden. OBJECTIVES: To assess the effects of psychological interventions for overweight or obesity as a means of achieving sustained weight loss. SEARCH STRATEGY: Studies were obtained from searches of multiple electronic bibliographic databases. The date of the latest search was June 2003. SELECTION CRITERIA: Trials were included if the fulfilled the following criteria: 1) they were randomised controlled clinical trials of a psychological intervention versus a comparison intervention, 2) one of the outcome measures of the study was weight change measured by any method, 3) participants were followed for at least three months, 4) the study participants were adults (18 years or older) who were overweight or obese (BMI > 25 kg/m(2)) at baseline. DATA COLLECTION AND ANALYSIS: Two people independently applied the inclusion criteria to the studies identified and assessed study quality. Disagreement was resolved by discussion or by intervention of a third party. Meta-analyses were performed using a fixed effect model. MAIN RESULTS: A total of 36 studies met the inclusion criteria and were included in the review. Overall, 3495 participants were evaluated. The majority of studies assessed behavioural and cognitive-behavioural weight reduction strategies. Cognitive therapy, psychotherapy, relaxation therapy and hypnotherapy were assessed in a small number of studies. Behaviour therapy was found to result in significantly greater weight reductions than placebo when assessed as a stand-alone weight loss strategy (WMD -2.5 kg; 95% CI -1.7 to -3.3). When behaviour therapy was combined with a diet / exercise approach and compared with diet / exercise alone, the combined intervention resulted in a greater weight reduction. Studies were heterogeneous however the majority of studies favoured combining behaviour therapy with dietary and exercise interventions to improve weight loss. Increasing the intensity of the behavioural intervention significantly increased the weight reduction (WMD -2.3 kg; 95% CI -1.4 to - 3.3). Cognitive-behaviour therapy, when combined with a diet / exercise intervention, was found to increase weight loss compared with diet / exercise alone (WMD -4.9 kg; 95% CI -7.3 to - 2.4). No data on mortality, morbidity or quality of life were found. AUTHORS' CONCLUSIONS: People who are overweight or obese benefit from psychological interventions, particularly behavioural and cognitive-behavioural strategies, to enhance weight reduction. They are predominantly useful when combined with dietary and exercise strategies. The bulk of the evidence supports the use of behavioural and cognitive-behavioural strategies. Other psychological interventions are less rigorously evaluated for their efficacy as weight loss treatments.

Adult↗
PubMedDate not supplied

Fatness and overweight in women and children from riverine Amerindian communities of the Beni River (Bolivian Amazon).

Obesity is a worldwide public health problem impacting not only industrialized nations but also developing countries. The main objective of this paper was to analyze risk factors for overweight among Amerindian children and their mothers. Data were collected in 15 Amerindian riverside communities from the Beni River (Bolivia). The total sample was of 195 mothers and 452 children, 0-15 years of age. Information about family activity and dietary patterns was collected, and a clinical examination was performed. Stool samples were collected in children for parasitological screening. Anthropometric measurements, including weight, height, arm circumference, and four skinfolds, were taken. A bioelectrical impedance analysis was performed in mothers. In total, 12.2% (95% confidence interval (CI(95%)) 9.1-15.9%) of the children were considered overweight; less than 1% were overtly obese International Obesity Task Force (IOTF) criteria. Among their mothers, 35.3% (CI(95%), 28.7-42.5%) were overweight (BMI (weight/height (2)) >25 kg/m(2)), and 5% (CI(95%), 2.5-5.1%) were obese (BMI >30 kg/m(2)). BMI was moderately related to anthropometric indices of body composition in children, but was highly correlated with fatness in mothers. The risk of overweight was not associated with environmental factors in children. In mothers, there was a significant relationship between BMI, health status, and dietary diversity score. There was a moderate association in boys between fatness and the BMI of their mothers (R(2) = 0.12, P < 0.001), but not in girls. These findings suggest a trend toward accumulation of fat related to possible changes at the economic and agricultural levels, even in remote rural areas.

Adolescent↗
PubMed2005

Evaluation of a training to improve management of pediatric overweight.

INTRODUCTION: Despite widespread concern about pediatric obesity, health care professionals report low proficiency for identifying and treating this condition. This paper reports on the evaluation of pediatric overweight assessment and management training for clinicians and staff in a managed care system. The training was evaluated for its impact on assessment practices and utilization of management tools. METHODS: A delayed-control design was utilized to measure the effects of two 60-minute interactive Continuing Medical education (CME) trainings for the pediatric health care teams. Chart abstraction was conducted at 0-, 3- and 6-months after training, recording the proportion of charts containing the recommended assessment methods and management tools. RESULTS: The training was associated with a significant increase in the utilization of some tools and practices, including charting BMI-for-age percentile (p < 0.001) and using a nutrition and activity self-history form (p < 0.001). Overall, from baseline to 3-months post training, charting BMI-for-age percentiles increased from zero to 25.2% and utilization of the self-history form increased from zero to 35.3%. These increases were sustained at 6-months post training. Other tools guiding clinician counseling were less widely utilized, although a behavioral prescription pad was used with 20% of overweight patients. DISCUSSION: A modest investment in clinician and staff training designed to be feasible in a clinical setting was associated with substantial increases in the use of appropriate tools and practices for the assessment and management of pediatric overweight. Such training may help to augment and improve the processes of pediatric health care delivery for addressing overweight. The training provides a viable model for future CME efforts in other health care settings.

Adolescent↗
PubMed2005

Treatment of overweight in children and adolescents: does dieting increase the risk of eating disorders?

OBJECTIVE: Overweight is a serious health problem in children and adolescents. Some investigators fear that dieting, the principal method of reducing body weight, may precipitate eating disorders and related complications. This review examined the literature on the effects of dieting on eating behavior and psychological status in youth. METHOD: Electronic databases were searched for articles containing combinations of the following keywords: weight loss, dieting, treatment, overweight, obesity, anorexia, bulimia, binge eating, eating disorder, children, and adolescents. A manual search of reference lists also was conducted. RESULTS: Five relevant studies were found. Their findings suggest that a professionally administered weight loss poses minimal risks of precipitating eating disorders in overweight children and adolescents. Significant improvements in psychological status also were observed in several studies. DISCUSSION: Concerns about potential ill effects of dieting should not dissuade overweight youth from pursuing sensible methods of weight loss.

Adolescent↗
PubMed2000

Overweight and depressive symptoms among African-American women.

BACKGROUND: In a national survey, a correlation between overweight and depression was explained by dieting and poor health. This study examines overweight and depressive symptoms among urban African-American women, taking into account demographic factors, health status and practices, and psychosocial constructs. METHODS: Respondents are 429 participants in a pilot for a culturally tailored intervention promoting healthful eating and exercising. Anthropomorphic and self-administered questionnaire data were collected at a community health club site. RESULTS: Controlling for demographic factors, overweight is associated with symptoms of depression, a relationship that is partially explained by health status, but not by dietary restraint. Using multiple regression, poor health status, alcohol intake, hostility, and low levels of ethnic identity (connectedness with the African-American community) are independent predictors of depressed mood. In this study, dietary restraint reflects healthful eating and is inversely related to depression. The overweight/depression association is stronger among women with high levels of education and high levels of ethnic identity (statistical interactions). CONCLUSION: Poor health likely contributes over time to both overweight and depressed mood. Ethnic identity enhancement strategies should be studied for their effectiveness in strengthening identity and for their potential in attracting individuals especially likely to benefit from lifestyle change programs.

Adult↗
PubMed1999

Knowledge of calories and its effect on eating behavior in overweight, normal weight, and underweight individuals.

BACKGROUND: To assess changes in the eating behavior of overweight, normal weight, and underweight individuals in response to knowledge about the caloric content of their food. METHODS: Anonymous self-report questionnaires were completed by 1041 staff members attending the Innsbruck University Hospital cafeteria shortly after it started to display the caloric content of all meals. The questions covered the subjects' weight history, body image, eating behavior, and response to knowledge of caloric content. RESULTS: Among the respondents, 141 were classified as overweight, 728 as normal weight, and 118 as underweight. Overweight individuals reported a significantly more frequent change in eating behavior in response to the information, and were also significantly more distressed about weight and eating and dissatisfied with their bodies and their weight than normal and underweight individuals. CONCLUSIONS: Overweight individuals were more likely to report that they had modified their eating in response to information about calories. Whether this reflects an actual change in eating behavior, or merely a wish to give socially desirable responses, remains uncertain.

Adult↗