Relationship between body mass index and binge eating disorders
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resumo
Periodic Eating Compulsion (PEC) is most frequently associated
to obese and overweight subjects. However, studies indicate that
subjects with a normal weight also show PEC episodes.
Methods: A quantitative exploratory study was designed with the purpose
to know the ratio between Body Mass Index (BMI) and PEC, involving a
sample of 306 people of both genders with different BMI categories (0.3%
of the sample was underweight, 21.9% had normal weight, 23.5% were pre-obese, 31.4% had Grade I obesity, 14.1% had Grade II obesity and
8.8% had Grade III obesity). Data was collected by means of the Periodic
Eating Compulsion Scale (PCES) at 4 hospitais in the North and Centre
regions of the country.
Results: In the overall sample, 219 subjects (71. 6%) were found to have
no PEC, 49 subjects (16. 0%) had moderate PEC and a further 38 subjects
(12.4%) had severe PEC. In consonance with the literature in this field,
the descriptive study of the study variables showed that all the BMI category
groups - with the exception of a low weight patient - showed PEC
behaviours.
Conclusion: It was observed that the higher the BMI, the higher the number
of subjects with compulsive-type PEC, a fact considered to be pertinent
for new studies in this overweight population. The results show the need for
nutritional education and renewed vigilance in the population with PEC.
