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High BMI in Adolescence Linked to Early CKD in Young Adulthood

Medically reviewed by Carmen Pope, BPharm. Last updated on Dec 12, 2023.

By Elana Gotkine HealthDay Reporter

MONDAY, Dec. 11, 2023 -- High body mass index (BMI) in late adolescence is associated with early chronic kidney disease (CKD) in young adulthood, according to a study published online Dec. 11 in JAMA Pediatrics.

Avishai M. Tsur, M.D., from the Israel Defense Forces, Medical Corps, in Ramat Gan, and colleagues examined the association between adolescent BMI and early CKD in young adulthood (younger than 45 years). The analysis included 629,168 adolescents (54.5 and 45.5 percent males and females, respectively) aged 16 to 20 years, medically evaluated for mandatory military service. Early CKD was defined as stage 1 to 2 CKD based on moderately or severely increased albuminuria, with an estimated glomerular filtration rate of ≥60 mL/min/1.73 m2.

The researchers found that during a mean follow-up of 13.4 years for males and females, 0.3 percent developed early CKD. The adjusted hazard ratios for CKD were 1.8, 4.0, 6.7, and 9.4 for adolescents with high-normal BMI, overweight, mild obesity, and severe obesity, respectively, among males. The corresponding hazard ratios among females were 1.4, 2.3, 2.7, and 4.3. When the cohort was limited to individuals who were seemingly healthy as adolescents, those surveyed up to 30 years of age, or those free of diabetes and hypertension at the end of follow-up, the results were similar.

"Given the increasing obesity rates among adolescents, our findings are a harbinger of the potentially preventable increasing burden of CKD and subsequent cardiovascular disease," the authors write.

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Disclaimer: Statistical data in medical articles provide general trends and do not pertain to individuals. Individual factors can vary greatly. Always seek personalized medical advice for individual healthcare decisions.

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Posted December 2023

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