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Objective
Many US youth experienced accelerated weight gain during the early COVID‐19 pandemic. Using an ambulatory electronic health record data set, the authors compared children's rates of BMI change in three periods: pre‐pandemic (January 2018‐February 2020), early pandemic (March‐December 2020), and later pandemic (January‐November 2021).
Methods
This study used mixed‐effects models to examine...
Objective
There have been conflicting reports concerning weight gain among adults during the COVID‐19 epidemic. Although early studies reported large weight increases, several of these analyses were based on convenience samples or self‐reported information. The objective of the current study is to examine the pandemic‐related weight increase associated with the pandemic through May 2021.
Methods...
Objective
This study aimed to assess the association of BMI with inpatient care cost, duration, and acute complications among patients hospitalized for COVID‐19 at 273 US hospitals.
Methods
Children (aged 2–17 years) and adults (aged ≥18 years) hospitalized for COVID‐19 during March 2020–July 2021 and with measured BMI in a large electronic administrative health care database were included. Generalized...
Background
Weight control programs for children monitor BMI changes using BMI z‐scores that adjust BMI for the sex and age of the child. It is, however, uncertain if BMIz is the best metric for assessing BMI change.
Objective
To identify which of 6 BMI metrics is optimal for assessing change. We considered a metric to be optimal if its short‐term variability was consistent across the entire BMI...
Objective
This study compared the importance of age at adiposity rebound versus childhood BMI to subsequent BMI levels in a longitudinal analysis.
Methods
From the electronic health records of 4.35 million children, a total of 12,228 children were selected who were examined at least once each year between ages 2 and 7 years and reexamined after age 14 years. The minimum number of examinations per...
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