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Updated: May 27, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
Published on: February 2, 2017
Childhood adiposity, adult adiposity, and cardiovascular risk factors
Markus Juonala1, Costan G Magnussen, Gerald S Berenson
1Research Center of Applied and Preventive Cardiovascular Medicine Department of Medicine, University of Turku and Turku University Hospital, Turku, Finland.
Insights
Childhood obesity significantly increases cardiovascular risks, including type 2 diabetes and hypertension, if it persists into adulthood. However, overweight children who achieve a normal body mass index (BMI) by adulthood show similar health risks to those who were never obese.
Area of Science:
- Cardiovascular Health
- Pediatric Endocrinology
- Public Health
Background:
- Childhood obesity is a known risk factor for cardiovascular disease.
- The long-term cardiovascular risk for individuals who are overweight or obese in childhood but achieve a normal body mass index (BMI) in adulthood remains unclear.
Purpose of the Study:
- To investigate the association between childhood and adult body mass index (BMI) status and the risk of major cardiovascular outcomes.
- To determine if maintaining a high adiposity status from childhood through adulthood exacerbates cardiovascular risk.
Main Methods:
- Analysis of data from four prospective cohort studies, including 6328 subjects with a mean follow-up of 23 years.
- Utilized international age- and sex-specific BMI cutoffs for childhood overweight/obesity and a BMI of 30 for adult obesity.
- Assessed risks for type 2 diabetes, hypertension, dyslipidemia, and carotid-artery atherosclerosis.
Main Results:
- Consistent high adiposity from childhood to adulthood significantly increased the risk of type 2 diabetes (RR 5.4), hypertension (RR 2.7), dyslipidemia (elevated LDL, reduced HDL, elevated triglycerides), and carotid-artery atherosclerosis (RR 1.7).
- Individuals who were overweight or obese in childhood but achieved a normal BMI in adulthood had risks for these outcomes comparable to those who were never obese (P > 0.20).
Conclusions:
- Sustained obesity from childhood into adulthood is linked to significantly elevated risks of type 2 diabetes, hypertension, dyslipidemia, and atherosclerosis.
- Overweight or obese children who normalize their BMI by adulthood do not appear to carry an increased risk for these adverse cardiovascular outcomes.
Background:
Obesity in childhood is associated with increased cardiovascular risk. It is uncertain whether this risk is attenuated in persons who are overweight or obese as children but not obese as adults.
Methods:
We analyzed data from four prospective cohort studies that measured childhood and adult body-mass index (BMI, the weight in kilograms divided by the square of the height in meters). The mean length of follow-up was 23 years. To define high adiposity status, international age-specific and sex-specific BMI cutoff points for overweight and obesity were used for children, and a BMI cutoff point of 30 was used for adults.
Results:
Data were available for 6328 subjects. Subjects with consistently high adiposity status from childhood to adulthood, as compared with persons who had a normal BMI as children and were nonobese as adults, had an increased risk of type 2 diabetes (relative risk, 5.4; 95% confidence interval [CI], 3.4 to 8.5), hypertension (relative risk, 2.7; 95% CI, 2.2 to 3.3), elevated low-density lipoprotein cholesterol levels (relative risk, 1.8; 95% CI, 1.4 to 2.3), reduced high-density lipoprotein cholesterol levels (relative risk, 2.1; 95% CI, 1.8 to 2.5), elevated triglyceride levels (relative risk, 3.0; 95% CI, 2.4 to 3.8), and carotid-artery atherosclerosis (increased intima-media thickness of the carotid artery) (relative risk, 1.7; 95% CI, 1.4 to 2.2) (P ≤ 0.002 for all comparisons). Persons who were overweight or obese during childhood but were nonobese as adults had risks of the outcomes that were similar to those of persons who had a normal BMI consistently from childhood to adulthood (P>0.20 for all comparisons).
Conclusions:
Overweight or obese children who were obese as adults had increased risks of type 2 diabetes, hypertension, dyslipidemia, and carotid-artery atherosclerosis. The risks of these outcomes among overweight or obese children who became nonobese by adulthood were similar to those among persons who were never obese. (Funded by the Academy of Finland and others.).
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