The aim of this article was to analyse the relationship between weight status and diet quality with self-concept in primary school children. For this purpose, a cross-sectional descriptive empirical study was carried out on a sample of 246 schoolchildren (10-12 years old). Two questionnaires were used: the Piers-Harris self-concept scale and the KIDMED questionnaire. Nutritional status was assessed using the Body Mass Index (kg/m2) adjusted for sex and age. Linear regression test showed an association between higher self-concept scores and higher diet quality adjusted and, unadjusted for sex, age or overweight. In conclusion, higher self-concept in primary school children seems to be related to higher diet quality.
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