O que é a Escala de Fenótipos de Comportamento Alimentar (EFCA)?

A EFCA é um questionário, validado para o português do Brasil, que agrupa padrões de comportamento alimentar em cinco fenótipos — hiperfágico, hedônico, emocional, desorganizado e compulsivo. Ela não diagnostica transtorno alimentar; descreve jeitos de comer que podem se associar a maior acúmulo de gordura e ajudam a individualizar o tratamento da obesidade.

Este teste dá um diagnóstico?

Não. É uma ferramenta educativa de orientação, inspirada no modelo de fenótipos da EFCA. Ele não substitui a avaliação de um médico e não fecha diagnóstico de obesidade nem de transtorno alimentar. Leve o resultado ao seu médico.

Para que serve conhecer o fenótipo de comportamento alimentar?

Conhecer o padrão predominante ajuda a personalizar estratégias comportamentais e a conversa sobre o tratamento da obesidade com o médico, já que o excesso de peso envolve fatores hormonais, emocionais e cognitivos — não apenas o balanço calórico.

Interactive test · Eating behavior

What kind of "eater" are you?

Discover your eating behavior profile in 15 questions — based on the five-phenotype model of the EFCA. Understanding this pattern helps personalize obesity treatment.

Before you start: material educational and guidance-oriented, inspired by the EFCA phenotype model. Not a diagnosis, does not replace a medical consultation and does not assess eating disorders. If you struggle with your relationship with food, seek a health professional. — Dr. Diegomaier Nunes Neri · CRM/SC 32925 | CRM/BA 39586.

To tailor the language, tell me:

15 statements, one at a time. About 2 minutes.

Understand

The 5 eating behavior phenotypes

Obesity does not depend only on how much one eats, but on how how a person relates to food. The brain systems of pleasure, calorie control, and inhibition can become dysregulated to different degrees in each person — and this draws a predominant pattern. The EFCA groups these patterns into five phenotypes:

1. Hyperphagic

Difficulty feeling satisfied with smaller portions; tends to eat large amounts at meals and to feel hungry again soon afterward. Related to less efficient satiety signals.

2. Hedonic

Eats for the pleasure that certain foods provide — very tasty, sweet, or ultra-processed — even without real hunger. It is "reward eating."

3. Emotional

Uses food to cope with emotions: anxiety, sadness, boredom, or stress. Eating calms momentarily, which reinforces the habit.

4. Disorganized

Lack of routine: skips meals, eats at unpredictable times, and ends up turning to high-calorie-density foods when hunger hits.

5. Compulsive

Episodes of eating a large amount in a short time, with a feeling of loss of control. Not a diagnosis of compulsion — it is a warning sign that deserves careful professional assessment.

Important: phenotypes are not closed "boxes" — most people have a mix, with one or two predominant patterns. Knowing them helps the doctor choose more appropriate strategies and approaches for each case.

Keep learning

Obesity in Brazil Hormones and weight loss Obesity and inflammation Slow metabolism: myths Semaglutide (GLP-1) See all articles

Frequently asked questions

FAQ

Does this test give a diagnosis?

No. It is an educational guidance tool, inspired by the EFCA phenotype model. It does not replace a physician's assessment and does not establish a diagnosis of obesity or an eating disorder.

What is the EFCA?

The Eating Behavior Phenotype Scale is a questionnaire validated for Brazilian Portuguese that groups eating patterns into five phenotypes, helping to individualize obesity treatment.

Why does knowing my phenotype help with treatment?

Because excess weight involves hormonal, emotional, and cognitive factors — not just calories. Knowing the predominant pattern guides behavioral strategies and the conversation with your doctor about the best approaches for your case.

References

Scientific basis

Sociedade Brasileira de Endocrinologia e Metabologia – SP. Obesity: scale that assesses eating behavior is an ally in treatment (EFCA).
Validação da EFCA para o português do Brasil. PubMed 40802668.
Toward Precision Obesity Pharmacotherapy: Using the Eating Behavior Phenotype Scale (EFCA). Nutrients, 2025.
Escala de Fenotipos de Comportamiento Alimentario (EFCA), análisis factorial y propiedades psicométricas. PubMed 35001636.
Merck — Nova Escala de Fenótipo de Comportamento Alimentar (material for professionals). hcp.merckgroup.com.

The validated EFCA instrument belongs to its cited authors/studies; this test is an educational reinterpretation of the phenotype model, with original questions, for public guidance. Administration of the validated instrument should be done with your doctor.