Body Roundness Index and Reported Vision Difficulty in U.S. Children and Adolescents: A Cross-Sectional Study of NHANES 2021–2023
Jingwen Wang, Shuai Ouyang, Jia Qu, Ying Li · 2026
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Description
Vision trouble in childhood can drag on learning and daily life, and body shape may play a part. Wang, Ouyang, Qu, and Li use a national United States survey from 2021 to 2023 to test a new fatness gauge, the body roundness index. They compare it against reported vision difficulty in 1,566 children and teenagers aged five to seventeen. The index estimates belly fat from height and waist size.
Each one-unit rise in the index came with about twelve percent higher odds of vision difficulty, after adjusting for social and lifestyle factors. The trend rose steadily, with no bend in the curve, and the rounder quarter of children reported more difficulty than the leanest quarter. The authors stress that a one-time snapshot cannot prove cause. They offer the link as a population-level clue worth testing in studies that follow children over time.
Catalog record
| CREATOR | Jingwen Wang, Shuai Ouyang, Jia Qu, Ying Li |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 29 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |