Clinico-etiological Profile and Metabolic Complications in Pediatric Early Onset Obesity - Experience from a Tertiary Care Centre in India
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Updated: May 29, 2025

Assessment of Child Anthropometry in a Large Epidemiologic Study
Published on: February 2, 2017
Simran Syal1, Vrushali Takalikar2, Sudha Rao3
1Department of Pediatrics, All India Institute of Medical Sciences (AIIMS), Raipur, India.
Insights
Primary obesity is common in young children. Parental obesity, increased screen time, and acanthosis nigricans are key risk factors for early onset obesity, indicating a mix of genetic and lifestyle influences.
Area of Science:
- Pediatrics
- Endocrinology
- Genetics
Background:
- Early onset obesity, presenting before age five, poses significant health challenges.
- Differentiating primary from secondary obesity is crucial for appropriate management in young children.
Purpose of the Study:
- To characterize the clinical and metabolic profiles of children with early onset obesity.
- To identify risk factors and features distinguishing primary from secondary obesity in children under five.
Main Methods:
- Retrospective analysis of medical records for children diagnosed with early onset obesity (June 2015-December 2023).
- Evaluation of etiological diagnoses, risk predictors, laboratory profiles, and genetic studies.
- Statistical analysis to determine associations between factors and obesity etiology.
Main Results:
- Primary obesity was diagnosed in 71.4% of 77 children under five with obesity.
- Genetic causes were identified in 18.18% of these children.
- Increased screen time (>2 hours/day), acanthosis nigricans, and parental obesity were significantly associated with primary early onset obesity.
Conclusions:
- Primary obesity is more prevalent in early onset cases.
- Parental obesity, excessive screen time, and acanthosis nigricans are significant risk factors.
- A combination of genetic predisposition and unhealthy lifestyle contributes to primary early onset obesity.
Objective:
To describe the clinical and metabolic profile and associated risk factors in children with early onset obesity (presenting before five years of age). To identify features that would differentiate primary from secondary obesity in under-five children.
Methods:
A retrospective study analyzed the medical records of children diagnosed with early onset obesity between June 2015 to December 2023 to ascertain the etiological diagnosis and identify the risk predictors. Laboratory profiles and genetic studies, wherever available, were studied. Association of various factors with underlying etiology was done using standard statistical methods.
Results:
Out of 530 children presenting with obesity during the study period, 77 (14.5%) were aged less than 5 years. Primary obesity was found in 55 (71.4%) children. Genetic causes of obesity were confirmed in 14 (18.18%) children. Increased screen time (more than 2 hours per day) and acanthosis nigricans correlated positively with the presence of primary obesity. Additionally, a significant association was observed between the presence of obesity in parents and early onset primary obesity, indicating a combined influence of an unhealthy lifestyle and a genetic predisposition.
Conclusion:
Primary obesity was more common in early onset obesity. Obesity in parents, excess screen time and presence of acanthosis nigricans were significantly associated with primary obesity suggesting a combination of genetic predisposition and unhealthy lifestyle as risk factors.
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