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Taxometric analysis identified qualitative (categorical) distinctions between the binge\/purge and non\u2010fat\u2010phobic low\u2010weight classes, and also between the fat\u2010phobic and non\u2010fat\u2010phobic low\u2010weight classes. Distinctions between the fat\u2010phobic low\u2010weight and binge\/purge classes were indeterminate.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>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\u2010fat\u2010phobic individuals. 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