No abstract

There is no evidence of the validity and reliability of the ORTO-15 with the initial psychometric evaluation performed. Further analyses are needed. Nevertheless, it was possible to observe a high frequency of orthorexic behavior among the studied Brazilian dietitians. However, additional studies are needed to completely understand dietitians behavior toward ON.

The aim of this study was to develop a questionnaire to evaluate rapid weight loss patterns of competitive judo players and to assess its validity and reliability. We evaluated the reliability (n=94), content validity (evaluation by 10 experts), discriminant validity (differences in scores between athletes with body weight below and above their weight class; n=100) and convergent validity (correlation with Restraint Scale; n=60). No item was considered unclear or ambiguous by more than 20% of the experts. The intraclass Coefficient Correlation was above 0.90 for all questions whose answers were parametric (P<0.001; n=94) and no significant differences were found between test and retest scores (n=94--Wilcoxon's signed rank test). Cronbach's alpha was 0.98 for scores obtained between test and retest. Non-numerical questions showed proportions of agreement >80%; Spearman's Correlation between the Restraint Scale and the Rapid Weight Loss Questionnaire was 0.62 (P<0.001; n=60). Athletes below their weight class (n=50) had a significantly lower score compared with athletes above the weight class (n=50; P<0.001--Mann-Whitney U test). In conclusion, the questionnaire showed good validity and reliability and could be used accurately to assess weight loss patterns of judo players.

The aim of this study was to develop and validate the Disordered Eating Attitude Scale to measure disordered eating attitudes, defined as abnormal beliefs, thoughts, feelings, behaviors, and relationship regarding food. Exploratory factor analysis was performed and internal consistency assessed in a sample of female university students (N=196). Convergent validity was acceptable based on statistically significant correlations with the Eating Attitude Test-26 and Restraint Scale. Known-groups validity was determined by comparing the student sample's mean scores against scores of an eating disorder group (N=51). The Disordered Eating Attitude Scale comprises 25 questions and five subscales explaining 54.3% of total variance. The total scores differentiated student, bulimia, and anorexia groups. The scale should prove useful for evaluating eating attitudes in various population groups and eating disordered patients.

IntroduçãoOs transtornos alimentares configuram-se como síndromes crônicas de difícil diagnóstico e tratamento 1 . Esforços são direcionados para o entendimento dos fatores que desempenham um papel no desenvolvimento e na manutenção destes transtornos, bem como em relação aos distúr-bios da imagem corporal 2 , aspecto este relevante na psicopatologia destes quadros.Fatores relacionados a aspectos biológicos, sociais e interpessoais são pesquisados como potenciais fatores de risco 3 . Aspectos como baixa auto-estima, relação afetiva pobre com a família, pressão familiar, dietas, insatisfação corporal 4 , abuso sexual, interesse pelo peso e corpo 5 são citados igualmente como potenciais fatores de risco, além do retorno verbal negativo, como por exemplo frases que depreciam e desvalorizam o indivíduo, bullying e a internalização do modelo ideal proposto pela mídia 6 .As pesquisas relacionadas aos fatores de risco têm se desenvolvido na última década, no entanto, carecem de modelos teóricos para orientar a seleção das medidas mais adequadas e auxiliar no teste de hipóteses 7 .Um modelo existente refere-se ao The Tripartite Influence Model of Body Dissatisfaction and Eating Disturbance, que incorpora algumas variá-veis que afetam o desenvolvimento de distúrbios de imagem corporal e de transtornos alimentares, mais especificamente para comportamento ARTIGO ARTICLE