Do recognizable lifetime eating disorder phenotypes naturally occur in a culturally asian population? A combined latent profile and taxometric approach

European Eating Disorders Review : the Journal of the Eating Disorders Association
Jennifer J ThomasSing Lee

Abstract

We examined whether empirically derived eating disorder (ED) categories in Hong Kong Chinese patients (N = 454) would be consistent with recognizable lifetime ED phenotypes derived from latent structure models of European and American samples. We performed latent profile analysis (LPA) using indicator variables from data collected during routine assessment, and then applied taxometric analysis to determine whether latent classes were qualitatively versus quantitatively distinct. Latent profile analysis identified four classes: (i) binge/purge (47%); (ii) non-fat-phobic low-weight (34%); (iii) fat-phobic low-weight (12%); and (iv) overweight disordered eating (6%). Taxometric analysis identified qualitative (categorical) distinctions between the binge/purge and non-fat-phobic low-weight classes, and also between the fat-phobic and non-fat-phobic low-weight classes. Distinctions between the fat-phobic low-weight and binge/purge classes were indeterminate. Empirically derived categories in Hong Kong showed recognizable correspondence with recognizable lifetime ED phenotypes. Although taxometric findings support two distinct classes of low weight EDs, LPA findings also support heterogeneity among non-fat-phobic individuals.

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Citations

Sep 28, 2015·European Child & Adolescent Psychiatry·Nadia Micali, Johannes Hebebrand
Mar 19, 2019·The International Journal of Eating Disorders·Yuchen ZhengJue Chen
Sep 21, 2016·Current Opinion in Psychiatry·Jennifer J ThomasAnne E Becker
Jun 5, 2020·Psychological Medicine·Nick HaslamPeter Kuppens
Nov 20, 2016·The International Journal of Eating Disorders·Kelsie T Forbush, Jennifer E Wildes
Dec 20, 2020·The International Journal of Eating Disorders·Youl-Ri KimJennifer J Thomas
Aug 10, 2021·Development and Psychopathology·Marco Del Giudice, John D Haltigan

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