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      Weight Misperception, Self-Reported Physical Fitness, Dieting and Some Psychological Variables as Risk Factors for Eating Disorders

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          Abstract

          The aims of the current study were to explore possible gender differences in weight misperception, self-reported physical fitness, and dieting, and to analyze the relationship between these variables and others, such as self-esteem, body appreciation, general mental health, and eating- and body image-related variables among adolescents. In addition, the specific risk for eating disorders was examined, as well as the possible clusters with respect to the risk status. The sample comprised 655 students, 313 females and 342 males, aged 16.22 ± 4.58. Different scales of perceived overweight, self-reported physical fitness and dieting together with the Body Mass Index (BMI) were considered along with instruments such as the International Physical Activity Questionnaire (IPAQ), General Health Questionnaire (GHQ-28), Self-Esteem Scale (SES), Body Appreciation Scale (BAS) and Eating Disorders Inventory-2 (EDI-2). Since some gender differences were found with respect to these adolescent groups, it is necessary to design prevention programs that not only focus on traditional factors such as BMI or body image, but also on elements like weight perception, self-reported fitness and nutritional education.

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          Coming to terms with the terms of risk.

          Helena Kraemer (1997)
          Terms such as risk, risk factors, and especially the term cause are inconsistently and imprecisely used, fostering scientific miscommunication and misleading research and policy. Clarifying such terms is the essential first step. We define risk and a risk factor (protective factor) and their potency, set out the conceptual basis of the methods by which risk factors are identified and potency demonstrated, and propose criteria for establishing the status of a risk factor as a fixed or variable marker or a causal risk factor. All definitions are based on the state of scientific knowledge (empirical documentation), rather than on hypotheses, speculations, or beliefs. We discuss common approaches and pitfalls and give a psychiatric research example. Imprecise reports can impede the search for understanding the cause and course of any disease and also may be a basis of inadequate clinical or policy decision-making. The issues in risk research are much too important to tolerate less than precise terminology or the less than rigorous research reporting that results from imprecise and inconsistent terminology.
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            Does perception equal reality? Weight misperception in relation to weight-related attitudes and behaviors among overweight and obese US adults

            Dustin Duncan, Kathleen Wolin, Melissa Scharoun-Lee … (2011)
            Background Weight misperception might preclude the adoption of healthful weight-related attitudes and behaviors among overweight and obese individuals, yet limited research exists in this area. We examined associations between weight misperception and several weight-related attitudes and behaviors among a nationally representative sample of overweight and obese US adults. Methods Data from the 2003-2006 National Health and Nutrition Examination Survey (NHANES) were used. Analyses included non-pregnant, overweight and obese (measured body mass index ≥ 25) adults aged 20 and older. Weight misperception was identified among those who reported themselves as "underweight" or "about the right weight". Outcome variables and sample sizes were: weight-loss attitudes/behaviors (wanting to weigh less and having tried to lose weight; n = 4,784); dietary intake (total energy intake; n = 4,894); and physical activity (meets 2008 US physical activity recommendations, insufficiently active, and sedentary; n = 5,401). Multivariable regression models were stratified by gender and race/ethnicity. Analyses were conducted in 2009-2010. Results These overweight/obese men and women who misperceived their weight were 71% (RR 0.29, 95% CI 0.25-0.34) and 65% (RR 0.35, 95% CI 0.29-0.42) less likely to report that they want to lose weight and 60% (RR 0.40, 95% CI 0.30-0.52) and 56% (RR 0.44, 95% CI 0.32-0.59) less likely to have tried to lose weight within the past year, respectively, compared to those who accurately perceived themselves as overweight. Blacks were particularly less likely to have tried to lose weight. Weight misperception was not a significant predictor of total energy intake among most subgroups, but was associated with lower total energy intake among Hispanic women (change -252.72, 95% CI -433.25, -72.18). Men who misperceived their weight were less likely (RR 0.68, 95% CI 0.52-0.89) to be insufficiently active (the strongest results were among Black men) and women who misperceived their weight were less likely (RR 0.74, 95% CI 0.54, 1.00, p = 0.047) to meet activity recommendations compared to being sedentary. Conclusion Overall, weight misperception among overweight and obese adults was associated with less likelihood of interest in or attempts at weight loss and less physical activity. These associations varied by gender and race/ethnicity. This study highlights the importance of focusing on inaccurate weight perceptions in targeted weight loss efforts.
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              Getting worse: the stigmatization of obese children.

              Janet D Latner, Albert J Stunkard (2003)
              The prevalence of childhood obesity more than doubled in the period from 1961 to 2001. We replicated a 1961 study of stigma in childhood obesity to see what effect this increased prevalence has had on this stigma. Participants included 458 5th- and 6th-grade children attending upper-middle and lower-middle income U.S. public schools. Children ranked six drawings of same-sex children with obesity, various disabilities, or no disability ("healthy"), in order of how well they liked each child. Children in both the present and the 1961 study liked the drawing of the obese child least. The obese child was liked significantly less in the present study than in 1961 [Kruskal-Wallis H(1) = 130.53, p < 0.001]. Girls liked the obese child less than boys did [H(1) = 5.23, p < 0.02]. Children ranked the healthy child highest and significantly higher than in 1961 [H(1) = 245.40, p < 0.001]. The difference in liking between the healthy and obese child was currently 40.8% greater than in 1961. Stigmatization of obesity by children appears to have increased over the last 40 years.
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                Author and article information

                Journal
                Journal ID (nlm-ta): Nutrients
                Journal ID (iso-abbrev): Nutrients
                Journal ID (publisher-id): nutrients
                Title: Nutrients
                Publisher: MDPI
                ISSN (Electronic): 2072-6643
                Publication date (Electronic): 13 November 2013
                Publication date Collection: November 2013
                Volume: 5
                Issue: 11
                Pages: 4486-4502
                Affiliations
                [1 ]Section of Nutrition and Bromatology, Pablo de Olavide University, Carretera de Utrera s/n, 41013 Seville, Spain
                [2 ]Behavioral Sciences Institute, Fernando IV 24-26, 41011 Seville, Spain; E-Mails: informacionicc@ 123456gmail.com (M.E.-C.); inma.irp@ 123456gmail.com (I.R.-P.)
                [3 ]IES Atenea, Itaca 2, Mairena del Aljarafe, 41927-Seville, Spain; E-Mail: rociocarbonero@ 123456gmail.com
                Author notes
                [* ] Author to whom correspondence should be addressed; E-Mail: ijl@ 123456tcasevilla.com ; Tel.: +34-954-280789; Fax: +34-954-278167.
                Article
                Publisher ID: nutrients-05-04486
                DOI: 10.3390/nu5114486
                PMC ID: 3847744
                PubMed ID: 24232917
                SO-VID: 6b4af70c-314d-40d4-b931-52aea3096050
                Copyright © © 2013 by the authors; licensee MDPI, Basel, Switzerland.
                License:

                This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license ( http://creativecommons.org/licenses/by/3.0/).

                History
                Date received : 22 August 2013
                Date revision received : 25 October 2013
                Date accepted : 29 October 2013
                Categories
                Subject: Article

                ScienceOpen disciplines: Nutrition & Dietetics
                Keywords: diet,eating disorders,weight misperception,eating disordered behaviors,self-reported physical fitness,obesity,overweight
                Data availability:
                ScienceOpen disciplines: Nutrition & Dietetics
                Keywords: diet, eating disorders, weight misperception, eating disordered behaviors, self-reported physical fitness, obesity, overweight

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