Prevalence of pre-obesity and above and its associated factors in adult women: an analysis of the 2020 Korea National Health and Nutrition Examination Survey.
Hyunju Chae
PMID 38987916WHAT IT FOUND
Nearly half of Korean adult women had pre-obesity or obesity: 18.6% pre-obesity and 27.9% obesity.
Older age, lower education, middle income, strength training less than 2 days per week, and sleeping 6 hours or less were linked to higher rates.
Key findings
01Of 2,288 adult women, 18.6% had pre-obesity and 27.9% had obesity, for a combined prevalence of 46.5%.
02Prevalence was 1.67 times higher in women aged 50-59 and 1.80 times higher in women aged 60-64 than in women aged 19-29; it was 1.28 times higher for high school graduates and 1.60 times higher for women with less than high school than for college graduates; and it was 1.55 times higher for middle-income women than high-income women.
03Muscle-strengthening activity less than 2 days per week and weekday sleep of 6 hours or less were each associated with 1.37 times higher prevalence.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
It used 2020 survey data, so it cannot show that age, education, income, strength training, or sleep caused higher BMI. It only included women aged 19-64, so it says nothing about older women. It did not include dietary variables, so food intake cannot be assessed as a related factor. It analysed pre-obesity and obesity together, so factors may differ between the two groups. It analysed 2,288 of 2,398 women in the eligible age range who had complete height and weight data.
Declared interests
The author declared no conflict of interest and no funding.
The easy way to misread this
Do not read this as proof that strength training or sleep prevents obesity. The survey used 2020 data, measured BMI and habits together, did not include diet, and cannot show cause.