Psychometric properties of the ORTO-R in an adult population: the Turkish version, reliability, and validity study.

IF 2.8 3区医学 Q2 PSYCHIATRY Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity Pub Date : 2024-11-24 DOI:10.1007/s40519-024-01705-0

Seda Kaya, Esma Asil, Funda Pınar Çakıroğlu, Sümeyye Sertdemir, Yaren Can, Emine Muradoğlu

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Abstract

Purpose: This study aimed to examine the psychometric properties of a Turkish version of the ORTO-R scale by testing its factorial structure, reliability, and validity in a large adult population.

Methods: This cross-sectional study was conducted between November 2022 and February 2023. Through an online questionnaire, 1077 participants were recruited. Confirmatory factor analysis (CFA) was used to examine the construct validity of the questionnaires. The internal consistency of the ORTO-R scale was evaluated with Cronbach's alpha, Omega and test-retest coefficients. For the convergent and divergent validity of the scale, Pearson correlation analysis was performed on the scores of the Eating Attitude Test-26, the Generalized Anxiety Disorder-7 and the Life Satisfaction Scale.

Results: The two-factor model fit the data well. Analyses confirmed that the two-factor model of the ORTO-R had acceptable or good fit indices (χ 2/df = 2.126; GFI = 0.997; CFI = 0.992; AGFI = 0.992; TLI = 0.985; RMSEA = 0.032; SRMR = 0.029). According to the reliability coefficients, the orthorexia nervosa and method subscales were found to be reliable. The correlations supported the convergent and divergent validity of the scale.

Conclusions: The results demonstrate that the Turkish version of the ORTO-R is a valid and reliable instrument for assessing orthorexic behaviors in a theoretically meaningful way.

Level of evidence: Level V, descriptive study.

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ORTO-R 在成年人群中的心理测量特性：土耳其版本、可靠性和有效性研究。

目的：本研究旨在通过测试ORTO-R量表的因子结构、信度和效度，研究土耳其版ORTO-R量表在大量成年人群中的心理测量特性：这项横断面研究于 2022 年 11 月至 2023 年 2 月间进行。通过在线问卷调查，共招募了 1077 名参与者。研究采用了确认性因子分析（CFA）来检验问卷的构造效度。ORTO-R 量表的内部一致性采用 Cronbach's alpha、Omega 和测试-再测试系数进行评估。在量表的收敛效度和发散效度方面，对饮食态度测试-26、广泛性焦虑症-7 和生活满意度量表的得分进行了皮尔逊相关分析：结果：双因素模型与数据拟合良好。分析证实，ORTO-R 的双因素模型具有可接受或良好的拟合指数（χ 2/df = 2.126；GFI = 0.997；CFI = 0.992；AGFI = 0.992；TLI = 0.985；RMSEA = 0.032；SRMR = 0.029）。根据信度系数，神经正视和方法分量表是可靠的。相关性支持了量表的收敛效度和发散效度：结果表明，土耳其版 ORTO-R 是一种有效、可靠的工具，可用于评估神经性矫形行为，具有理论意义：证据等级：V 级，描述性研究。

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来源期刊

Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity 医学-精神病学

CiteScore

6.50

自引率

10.30%

发文量

170

审稿时长

>12 weeks

期刊介绍： Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity is a scientific journal whose main purpose is to create an international forum devoted to the several sectors of eating disorders and obesity and the significant relations between them. The journal publishes basic research, clinical and theoretical articles on eating disorders and weight-related problems: anorexia nervosa, bulimia nervosa, subthreshold eating disorders, obesity, atypical patterns of eating behaviour and body weight regulation in clinical and non-clinical populations.