Adaptation of the night eating questionnaire for Brazilian adolescents

ABSTRACT

Introduction Night Eating Syndrome (NES) is characterized by a delay in the circadian rhythm of food intake and affects 1.5% of the general population, occurring more frequently in obese people. The Night Eating Questionnaire (NEQ) was originally developed for the American adult population. It is a self-administered instrument widely used in the identification and follow-up of individuals with NES. Although the NEQ has been translated and validated for Brazilian adults, there are no reports of its adaptation for use in Brazilian adolescents. The present study aimed to adapt and evaluate reliability and reproducibility of the NEQ for Brazilian adolescents.

Material and Methods Initially, a semantic adaptation of the Portuguese version of the NEQ was performed by 3 professionals with experience with adolescents. The suggested text was analyzed and consolidated item by item by the researchers and then presented to 21 adolescents from an intermediate school in Fortaleza. The questions with low level of understanding (<90%) were modified and the questionnaire was re-applied to 23 adolescents, obtaining satisfactory understanding.

Results The version of the NEQ for Brazilian adolescents, compared to the adult version, contains changes in items 3, 5, 6, 7 and 13. The questionnaire was administered to 463 students aged 11 to 17 years (mean ± SD = 13.7 ± 1.2), from 3 schools. The internal consistency, measured by the Cronbach’s alpha coefficient, was 0.73. The reproducibility that was measured after one week in 27 adolescents was 0.92 (95% CI 0.82-0.96).

Conclusion The new version of the NEQ for Brazilian adolescents presents excellent reproducibility and good internal consistency and is a simple and useful instrument to evaluate nocturnal eating symptoms in this age group.

Keywords:

Surveys and Questionnaires - Night Eating Syndrome - Adolescent

Publication History

Received: 16 September 2018

Accepted: 17 June 2019

Article published online:
09 November 2023

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