Development and validation of the Lebanese Orthorexia Nervosa Inventory (LONI).

IF 3.5 3区 医学 Q2 NUTRITION & DIETETICS Journal of Eating Disorders Pub Date : 2024-11-18 DOI:10.1186/s40337-024-01149-y
Chloe Ephrem, Rana Rizk, Petra Nicolas, Celine El Khoury, Anna Brytek-Matera, Carolien Martijn, Sahar Obeid, Souheil Hallit
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Abstract

Background: Unlike eating disorders (ED) that are officially recognized and focusing on the quantity of food, Orthorexia Nervosa (ON) revolves around an unhealthy fixation on the quality of food eaten. Existing ON scales differ in how these conceptualize and define ON, ensuing inconsistency in assessments that not only affects the validity and reliability of ON related research, but also impacts the ability of healthcare professionals to identify and provide support for individuals struggling with ON.

Objective: Create the first Eastern locally validated tool that considers the cultural nuances and specificity of the Lebanese general population's eating attitudes and their social context, addresses the limitations of existing scales and thereby provides a valid instrument that can be used in Lebanon and culturally-similar countries.

Methods: Data were collected between September 2023 and February 2024, enrolling 320 participants for the exploratory factor analysis and 658 for the confirmatory analysis.

Results: Starting from an initial pool of 25 items, the exploratory-confirmatory (EFA-CFA) factor analyses retained 13 items. The LONI showed a unidimensional factor structure, and satisfactory convergent and concurrent validity with a composite reliability (ω and α) of 0.90 providing clear evidence of its high reliability, supporting the stability and consistency of LONI scores across different subsamples. The structural characteristics, factor loadings, and item intercepts of the LONI remained consistent regardless of gender, affirming the tool's stability and reliability in measuring ON traits across diverse populations.

Conclusion: The LONI is a valid tool for assessing ON, particularly in accounting for Lebanese and culturally similar populations. The scale's unidimensional structure allows for straightforward calculation of the score, making it practical for both clinical and research applications, while offering a unique advantage in considering regional dietary patterns compared with existing ON screening tools due to its cultural specificity and psychometric strengths. The ON prevalence was high in the present sample, underscoring the significance of sociocultural and behavioral factors in its manifestation.

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黎巴嫩厌食症神经症量表(LONI)的开发与验证。
背景:进食障碍(ED)是一种官方认可的疾病,主要关注食物的数量,而神经性厌食症(ON)则不同,它主要关注所吃食物的质量。现有的厌食症量表对厌食症的概念和定义不尽相同,导致评估结果不一致,这不仅影响了厌食症相关研究的有效性和可靠性,还影响了医护人员识别厌食症患者并为其提供支持的能力:目标:创建首个经过东方本地验证的工具,该工具考虑了黎巴嫩普通人群饮食态度及其社会背景的文化细微差别和特殊性,解决了现有量表的局限性,从而提供了一个可用于黎巴嫩和文化相似国家的有效工具:数据收集时间为 2023 年 9 月至 2024 年 2 月,其中 320 人参与了探索性因素分析,658 人参与了确认性分析:从最初的 25 个项目开始,探索-确认(EFA-CFA)因子分析保留了 13 个项目。LONI 显示了单维因子结构,以及令人满意的收敛效度和并发效度,其复合信度(ω 和 α)为 0.90,清楚地证明了其高可靠性,支持了不同子样本中 LONI 分数的稳定性和一致性。无论性别如何,LONI 的结构特征、因子载荷和项目截距都保持一致,这肯定了该工具在测量不同人群的 ON 特质时的稳定性和可靠性:结论:LONI 是评估 ON 的有效工具,特别是在考虑黎巴嫩和文化相似的人群时。该量表的单维度结构允许直接计算得分,使其在临床和研究应用中都非常实用,同时由于其文化特异性和心理测量学优势,与现有的ON筛查工具相比,它在考虑地区饮食模式方面具有独特的优势。在本样本中,ON 的发病率很高,这突出表明了社会文化和行为因素在其表现中的重要性。
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来源期刊
Journal of Eating Disorders
Journal of Eating Disorders Neuroscience-Behavioral Neuroscience
CiteScore
5.30
自引率
17.10%
发文量
161
审稿时长
16 weeks
期刊介绍: Journal of Eating Disorders is the first open access, peer-reviewed journal publishing leading research in the science and clinical practice of eating disorders. It disseminates research that provides answers to the important issues and key challenges in the field of eating disorders and to facilitate translation of evidence into practice. The journal publishes research on all aspects of eating disorders namely their epidemiology, nature, determinants, neurobiology, prevention, treatment and outcomes. The scope includes, but is not limited to anorexia nervosa, bulimia nervosa, binge eating disorder and other eating disorders. Related areas such as important co-morbidities, obesity, body image, appetite, food and eating are also included. Articles about research methodology and assessment are welcomed where they advance the field of eating disorders.
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