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Korean Journal of Pediatrics 2006;49(11):1174-1179.
Published online November 15, 2006.
The iron status and the relationship between iron deficiency and body mass index in middle school girls
Hee Youn Han1, Chang Joo Hee1, Hae Sun Shim1, Young Jin Hong1, Byong Kwan Son1, Hwan Cheol Kim2, Soon Ki Kim1
1Department of Pediatrics, Inha University College of Medicine, Incheon, Korea
2Department of Occupational and Environmental Medicine Inha University College of Medicine, Incheon,
여중생의 철분 영양 상태와 체질량 지수와의 관계
한희연1, 장주희1, 심혜선1, 홍영진1, 손병관1, 김환철2, 김순기1
1인하대학교 의과대학 소아과학교실
2인하대학교 의과대학 산업의학과
Correspondence:  Soon Ki Kim,
Email: pedkim@inha.ac.kr
Abstract
Purpose
: Obesity and iron deficiency are common nutritional problems. Obese children are known to have iron deficiencies, but one presented opposite opinion in Korea. This study investigated the prevalence of obesity and iron deficiency in Incheon and the relationship between iron deficiency and obesity.
Methods
: Physical measurement and hematologic examinations were done a 764 healthy female students aged 14 to 15 years in May, 2005. Overweight was defined as a body mass index≥85th percentile. Iron deficiency was defined as serum ferritin <10 ng/mL. Iron deficiency anemia (IDA) was defined as serum Hb <12 g/dL and serum ferritin <10 ng/mL and/or transferrin saturation <16%.
Results
: 1) The prevalence of overweight was 24.4 percent (n=186), and that of obesity 16.5 percent (n=126). Ferritin and transferrin saturation was the lowest in the normal weight group. 2) The prevalence of iron deficiency and IDA was 18.7 percent (n=102) and 5.3 percent (n=41), respectively. 3) Iron deficiency was more common in the normal weight group compared with the overweight and underweight groups. Also, the non-obese had more iron deficiency and IDA than the obese.
Conclusion
: The prevalence of obesity in middle school girls could be higher in Incheon than in other regions, but there might be no difference in iron deficiency. However, iron deficiency was more prevalent in the normal weight group than in overweight group. The overweight group ate more food and gained more iron, so seemed to be less prevalent in iron deficiency than the normal weight group.
Key Words: Obesity , Body mass index , Iron deficiency anemia , Adolescent


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