Among older adults with central obesity, sarcopenic obesity had a prevalence of 19.0% and was independently associated with older age, female sex, rural residence, eating fewer than 3 meals per day, nonoptimal sleep duration, and inversely associated with light-intensity physical activity.
The prevalence of sarcopenic obesity among older adults with central obesity was 19.0%.
Older age was independently associated with higher odds of sarcopenic obesity after adjustment.
Female sex was independently associated with significantly higher odds of sarcopenic obesity.
Rural residence was independently associated with higher odds of sarcopenic obesity.
Eating fewer than 3 meals per day was associated with higher odds of sarcopenic obesity.
Nonoptimal sleep duration (both short and long) was associated with higher odds of sarcopenic obesity.
Light-intensity physical activity was associated with lower odds of sarcopenic obesity.
This research suggests that among older Chinese adults who already have central obesity (excess abdominal fat), roughly 1 in 5 (19%) also have sarcopenic obesity — a condition where low muscle mass and strength combine with excess body fat. The study analyzed data from 4,250 centrally obese participants in a large national Chinese survey and found that being older, being female, and living in a rural area all increased the likelihood of having sarcopenic obesity. Importantly, the study also identified several everyday lifestyle habits that were linked to the condition. On the lifestyle side, this research suggests that skipping meals (eating fewer than 3 meals a day) and sleeping either too little (under 6 hours) or too much (over 8 hours) were both associated with a higher likelihood of having sarcopenic obesity. On the protective side, engaging in light-intensity physical activity — such as walking or leisurely strolling — was associated with about 40% lower odds of sarcopenic obesity compared to those who did not engage in such activity. Because this was a cross-sectional study (a snapshot in time), it cannot prove that these lifestyle habits cause or prevent sarcopenic obesity — only that they are associated with it. The authors note that prospective (follow-up over time) studies are needed to confirm whether changing these habits could actually reduce the risk. Nevertheless, the findings point to potentially modifiable behaviors — regular meals, adequate sleep, and light physical activity — that may be relevant to the health of older adults with central obesity.
Upload your bloodwork. We'll cross-reference your results against this study and 4,700 others.
Upload Your LabsLin J, Zhu Z, Zhang Y. (2026). Prevalence and lifestyle factors associated with sarcopenic obesity among older adults with central obesity: A cross-sectional study using CHARLS.. Medicine. https://doi.org/10.1097/MD.0000000000049003