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Nutrición Hospitalaria
versión On-line ISSN 1699-5198versión impresa ISSN 0212-1611
Resumen
VIDAL, Carolina; CRISOSTO-JARA, Claudia; OLIVARES-KELLER, Denise y CARO, Patricia. Agreement between self-perception of body image and nutritional status in a Chilean population. Nutr. Hosp. [online]. 2022, vol.39, n.6, pp.1298-1305. Epub 20-Feb-2023. ISSN 1699-5198. https://dx.doi.org/10.20960/nh.4073.
Introduction:
obesity is a public health problem. No significant decrease in the prevalence of obesity has been globally observed. A better understanding of the factors that can influence obesity is necessary, one of them being self-perception of body weight.
Objective:
to determine the agreement between self-perception of body image and Nutritional status in a Chilean population.
Methods:
an analytical cross-sectional study was carried out based on the Chilean National Health Survey 2016-2017. Nutritional status was measured by body mass index (BMI) and self-perceived body weight. Agreement was estimated by the kappa index and weighted kappa index. These indices were specified according to sociodemographic variable.
Results:
the total number of participants was 5483, with 51 % (95 % CI: 48.7-53.5) corresponding to women. Mean age was 43.2 years (95 % CI: 42.4-44.0). The kappa index showed a low concordance (kappa, 0.194; 95 % CI: 0.177 to 0.211) among women, people from rural areas, and subjects with fewer years of education. The global weighted kappa was 0.325; 95 % CI (0.168-0.482).
Conclusions:
underestimation of Nutritional status can lead to negation of the problem generated by excess body weight. Recognizing Nutritional status is a critical stage to initiate behavior changes and start having healthy eating habits. More than half of Chileans present distortion of body image, prevailing underestimation of body weight.
Palabras clave : Self-perception; Body mass index; Nutritional status.