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Neck Circumference as an Indicator of Obesity and its Comparison with Body Mass Index and Waist Circumference in Coastal Karnataka


Affiliations
1 Associate Professor, Department of Community Medicine, Srinivas Institute of Medical Sciences and Research Centre, Mangalore,
2 Associate Professor, Department of Community Medicine, Kasturba Medical College, Mangalore, India
3 Professor, Department of Community Medicine, Kasturba Medical College, Mangalore, India
4 Assistant Professor, London School of Hygiene and Tropical Medicine, London, United Kingdom
     

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Background: Neck circumference can be a simple screening tool for measurement of overweight and obesity. The present study aims to depict neck circumference as a valid measurement of obesity and tries to find out its correlation with BMI and waist circumference among young adults in the age group of 20-30 years.

Methodology: A community based cross-sectional study was conducted in 6 coastal villages of Udupi taluk, Udupi district, Karnataka, among 750 subjects. A pre-tested, semi structured questionnaire was administered to the study subjects after obtaining their consent. The questionnaire comprised of details on socio-demographic variables and anthropometric measurements.

Results: The study showed a strong positive correlation (r) between weight (0.7), waist circumference (0.7) and hip circumference (0.7) with neck circumference among the males, it showed a correlation of (0.6) for all the parameters like weight, waist circumference and hip circumference among the females. ROC analysis showed that the cut off for males at 36.25 cm has a sensitivity of 80% and specificity 77% and the area under the curve is 0.84. Whereas the cutoff for females was found to be 31.75 cm having the sensitivity of 69% and specificity 77% and the area under curve was 0.73.

Conclusion: Neck circumference (NC) measurement is simple and time saving screening measure that can be used to identify overweight and obesity. Patients with NC >36.25 cm cm for men and >31.75 cm for women require additional evaluation of overweight/obesity.


Keywords

Neck Circumference, Waist Circumference, Obesity.
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  • Neck Circumference as an Indicator of Obesity and its Comparison with Body Mass Index and Waist Circumference in Coastal Karnataka

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Authors

Sanjay Kini
Associate Professor, Department of Community Medicine, Srinivas Institute of Medical Sciences and Research Centre, Mangalore,
Avinash Kumar
Associate Professor, Department of Community Medicine, Kasturba Medical College, Mangalore, India
B. Unnikrishnan
Professor, Department of Community Medicine, Kasturba Medical College, Mangalore, India
Siddharudha Shivalli
Assistant Professor, London School of Hygiene and Tropical Medicine, London, United Kingdom
Vaman Kulkarni
Associate Professor, Department of Community Medicine, Kasturba Medical College, Mangalore, India
Prasanna Mithra
Associate Professor, Department of Community Medicine, Kasturba Medical College, Mangalore, India
Nithin Kumar
Associate Professor, Department of Community Medicine, Kasturba Medical College, Mangalore, India

Abstract


Background: Neck circumference can be a simple screening tool for measurement of overweight and obesity. The present study aims to depict neck circumference as a valid measurement of obesity and tries to find out its correlation with BMI and waist circumference among young adults in the age group of 20-30 years.

Methodology: A community based cross-sectional study was conducted in 6 coastal villages of Udupi taluk, Udupi district, Karnataka, among 750 subjects. A pre-tested, semi structured questionnaire was administered to the study subjects after obtaining their consent. The questionnaire comprised of details on socio-demographic variables and anthropometric measurements.

Results: The study showed a strong positive correlation (r) between weight (0.7), waist circumference (0.7) and hip circumference (0.7) with neck circumference among the males, it showed a correlation of (0.6) for all the parameters like weight, waist circumference and hip circumference among the females. ROC analysis showed that the cut off for males at 36.25 cm has a sensitivity of 80% and specificity 77% and the area under the curve is 0.84. Whereas the cutoff for females was found to be 31.75 cm having the sensitivity of 69% and specificity 77% and the area under curve was 0.73.

Conclusion: Neck circumference (NC) measurement is simple and time saving screening measure that can be used to identify overweight and obesity. Patients with NC >36.25 cm cm for men and >31.75 cm for women require additional evaluation of overweight/obesity.


Keywords


Neck Circumference, Waist Circumference, Obesity.



DOI: https://doi.org/10.37506/v11%2Fi1%2F2020%2Fijphrd%2F193884