Obesity

Impact of Meal Caloric Content on the Thermic Effect of Food in Adolescents With Obesity

Pediatr ObesPublished Randomised crossover trial

Primary result · TEFResult — go to the resultβ 0.12 kcal·min-1 95% CI 0.06–0.18

Authors' conclusion

In adolescents with obesity, TEF increases only with large differences in meal energy and remains proportional to energy intake.

Study context

Population
Adolescents with obesitycrossover
Participants
15 adolescents
Comparison
Lunch test meals of 700 vs 1000 vs 1300 kcal
Primary endpoint
TEF (postprandial energy expenditure)
Follow-up
Over 5 h
Methodological detailsmacronutrient-matched test meals
  • Macronutrient-matched test meals

Primary result

TEF

β

0.12 kcal·min-1

95% CI 0.06–0.18

P < 0.001

As reported in the abstract

Thermic effect of food (TEF) differed by meal size
P < 0.001

Further findings

Relative TEF (% of meal energy)

Relative TEF did not differ between meals

Appetite (visual analog scales)

Appetite ratings were unaffected by meal size

Food reward (Leeds Food Preference Questionnaire)

Largely unaffected by meal condition, with isolated differences in sweet appeal bias and explicit liking for high-fat sweet foods

Original publication

Impact of Meal Caloric Content on the Thermic Effect of Food in Adolescents With Obesity. Pediatr Obes. Published 22 September 2026. doi:10.1111/ijpo.70155

Composed by AI from the published abstract and checked against it. How Briefs are made →

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