Over the 3 to 14 years of follow-up, 23.2% of persons with overweight and 2.0% of persons with obesity reduced BMI to the healthy weight category.
Over the 3 to 14 years of follow-up, , 33.4% of persons with overweight and 41.8% of persons with obesity lost 5% or greater of their initial weight.
The 18 461 623 individuals in the sample had a median (IQR) age of 54 (40-66) years and included 10 464 598 females (56.7%) as well as 7.7% Black and 72.3% White patients.
Overall, 72.5% of patients had overweight or obesity at the initial visit.
The sample consists of US ambulatory patients 17 years or older with at least 3 years of BMI information from January 1, 2009, to February 28, 2022. Minimum age was set at 17 years to allow for the change in BMI or weight starting at 18 years. Maximum age was censored at 70 years.
Exposures Initial BMI (calculated as weight in kilograms divided by height in meters squared) category was the independent variable of interest, and the categories were as follows: lower than 18.5 (underweight), 18.5 to 24.9 (healthy weight), 25.0 to 29.9 (overweight),
30.0 to 34.9 (class 1 obesity), 35.0 to 39.9 (class 2 obesity), and 40.0 to 44.9 and 45.0 or higher (class 3 or severe obesity).
For older adults, the health agency recommends at least 150 minutes a week of moderately intense activity, such as brisk walking, as well as muscle-strengthening activities such as lifting weights at least twice weekly. Only 27% to 44% of older adults meet these guidelines, according to various surveys.
https://www.cnn.com/2023/07/14/health/older-adults-excess-weight-kff-partner-wellness/index.html
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