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Children's Rates of BMI Change Prepandemic and During Two COVID-19 Pandemic Periods, IQVIA AEMR, January 2018-November 2021.
Pierce, Samantha Lange; Kompaniyets, Lyudmyla; Freedman, David S; Goodman, Alyson B; Blanck, Heidi M.
  • Pierce SL; Division of Nutrition, Physical Activity, and Obesity, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, GA, USA.
  • Kompaniyets L; Division of Nutrition, Physical Activity, and Obesity, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, GA, USA.
  • Freedman DS; Division of Nutrition, Physical Activity, and Obesity, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, GA, USA.
  • Goodman AB; Division of Nutrition, Physical Activity, and Obesity, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, GA, USA.
  • Blanck HM; U.S. Public Health Service Commissioned Corps, Rockville, MD, USA.
Obesity (Silver Spring) ; 2022 Nov 09.
Article in English | MEDLINE | ID: covidwho-2244240
ABSTRACT

OBJECTIVE:

Many U.S. youth experienced accelerated weight gain during the early COVID-19 pandemic. Using an ambulatory electronic health record dataset, we compared children's rates of BMI change in three periods prepandemic (January 2018-February 2020), early pandemic (March-December 2020), and later pandemic (January-November 2021).

METHODS:

We used mixed-effects models to examine differences in rates of change in BMI, weight, and obesity prevalence among the three periods. Covariates included time as a continuous variable; a variable indicating in which period each BMI was taken; sex; age; and initial BMI category.

RESULTS:

In a longitudinal cohort of 241,600 children aged 2-19 years with ≥4 BMIs, the monthly rates of BMI change (kg/m2 ) were 0.056 (95%CI 0.056, 0.057) prepandemic, 0.104 (95%CI 0.102, 0.106) in the early pandemic, and 0.035 (95%CI 0.033, 0.036) in the later pandemic. The estimated prevalence of obesity in this cohort was 22.5% by November 2021.

CONCLUSIONS:

In this large geographically-diverse cohort of U.S. youth, accelerated rates of BMI change observed during 2020 were largely attenuated in 2021. Positive rates indicate continued weight gain rather than loss, albeit at a slower rate. Childhood obesity prevalence remained high, which raises concern about long-term consequences of excess weight and underscores the importance of healthy lifestyle interventions. This article is protected by copyright. All rights reserved.
Keywords

Full text: Available Collection: International databases Database: MEDLINE Type of study: Cohort study / Observational study / Prognostic study Language: English Journal subject: Nutritional Sciences / Physiology / Metabolism Year: 2022 Document Type: Article Affiliation country: Oby.23643

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Full text: Available Collection: International databases Database: MEDLINE Type of study: Cohort study / Observational study / Prognostic study Language: English Journal subject: Nutritional Sciences / Physiology / Metabolism Year: 2022 Document Type: Article Affiliation country: Oby.23643