Asian Nurs Res.  2020 Feb;14(1):24-29. 10.1016/j.anr.2019.12.003.

Low Body Mass Index for Early Screening of Adolescent Idiopathic Scoliosis: A Comparison Based on Standardized Body Mass Index Classifications

Affiliations
  • 1School of Nursing and Research Institute of Nursing Science, Hallym University, Chuncheon, Republic of Korea
  • 2Department of Nursing, Pukyong National University, Busan, Republic of Korea
  • 3College of Nursing, Chonnam National University, Gwangju, Republic of Korea
  • 4Department of Nursing, College of Medicine, Wonkwang University, Iksan, Republic of Korea

Abstract

Purpose
Scoliosis is a common musculoskeletal problem in adolescents. This study aimed to identify the prevalence of adolescent idiopathic scoliosis (AIS) and its associated factors among Korean adolescents. The prevalence of thin individuals among students with AIS was compared based on body mass index (BMI) classifications.
Methods
This study was a secondary data analysis and used the 2016 Korean National Health Examination for School Students data. Data from 16,412 students were analyzed using descriptive statistics, Chi-square tests, and logistic regression analysis.
Results
The prevalence of AIS was higher in women (3.8%) than in men (1.6%), and a higher school year was a risk factor for AIS in both sexes. In woman adolescents, scoliosis was associated with thinness; however, the risk of AIS was inversely associated with overweight/obesity in both sexes. The prevalence of thin woman students with scoliosis differed based on the criteria used: 3.3% by the World Health Organization criteria and 14.3% by the International Obesity Task Force criteria.
Conclusion
The prevalence of thin students with scoliosis could increase by up to four times depending on the BMI criteria. For early screening of thin people at risk of AIS among female students, the criterion of International Obesity Task Force should be used as it is more permissive of thinness. This is also because of the underestimation of AIS prevalence when using the BMI Z score of the World Health Organization cutoff.

Keyword

adolescent; body mass index; scoliosis; thinness
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