School of Science, Technology, and Health, York St John University, York, UK.
Graduate Department of Kinesiology, University of Toronto, Toronto, Canada.
Eat Weight Disord. 2024 Oct 10;29(1):67. doi: 10.1007/s40519-024-01695-z.
We provide the first systematic review and meta-analysis of research examining multidimensional perfectionism-perfectionistic strivings and perfectionistic concerns-and orthorexia.
The systematic review and meta-analysis was pre-registered and conducted using a search of PsycINFO, MEDLINE, Education Abstracts, and Oxford Academic, and ScienceDirect up to April 2023. PRISMA guidelines were also followed. Meta-analysis using random-effects models was used to derive independent and unique effects of perfectionism, as well as total unique effects (TUE), and relative weights. Moderation of effects were examined for age, gender, domain, perfectionism and orthorexia instruments, and methodological quality.
Eighteen studies, including 19 samples (n = 7064), met the eligibility criteria with 12 of these studies (with 13 samples; n = 4984) providing sufficient information for meta-analysis. Meta-analysis revealed that perfectionistic strivings (r = 0.27, 95% CI [0.21, 0.32]) and perfectionistic concerns (r = 0.25, 95% CI [0.18, 0.31]) had positive relationships with orthorexia. After controlling for the relationship between perfectionism dimensions, only perfectionistic strivings predicted orthorexia which also contributed marginally more to an overall positive total unique effect of perfectionism (TUE = 0.35; 95% CI [0.28, 0.42]). There was tentative evidence that orthorexia instrument moderated the perfectionistic concerns-orthorexia relationship.
Research has generally found that both dimensions of perfectionism are positively related to orthorexia. More high-quality research is needed to examine explanatory mechanisms while also gathering further evidence on differences in findings due to how orthorexia is measured, as well as other possible moderating factors.
Level 1, systematic review and meta-analysis.
我们提供了第一个系统综述和荟萃分析，研究多维完美主义——完美主义努力和完美主义担忧——与饮食失调的关系。
系统综述和荟萃分析是预先注册的，并使用 PsycINFO、MEDLINE、教育文摘和牛津学术以及 ScienceDirect 进行了搜索，搜索时间截至 2023 年 4 月。还遵循了 PRISMA 指南。使用随机效应模型进行荟萃分析，以得出完美主义的独立和独特效应，以及总独特效应（TUE）和相对权重。还检查了年龄、性别、领域、完美主义和饮食失调工具以及方法质量对效应的调节作用。
18 项研究，包括 19 个样本（n=7064）符合入选标准，其中 12 项研究（13 个样本；n=4984）提供了足够的信息进行荟萃分析。荟萃分析显示，完美主义努力（r=0.27，95%CI[0.21，0.32]）和完美主义担忧（r=0.25，95%CI[0.18，0.31]）与饮食失调呈正相关。在控制了完美主义维度之间的关系后，只有完美主义努力预测了饮食失调，这也对完美主义的整体正总独特效应（TUE=0.35；95%CI[0.28，0.42]）略有贡献。有初步证据表明，饮食失调工具调节了完美主义担忧与饮食失调之间的关系。
研究普遍发现，完美主义的两个维度都与饮食失调呈正相关。需要更多高质量的研究来检验解释机制，同时收集更多关于由于如何测量饮食失调以及其他可能的调节因素而导致的发现差异的证据。
1 级，系统综述和荟萃分析。
