Korean J Community Nutr.  2017 Jun;22(3):191-206. 10.5720/kjcn.2017.22.3.191.

Systematic Review on the Study of the Childhood and Adolescent Obesity in Korea: Dietary Risk Factors

Affiliations
  • 1Department of Food and Nutrition, Daejeon University, Daejeon, Korea. jshim@dju.kr
  • 2Nutrition Counseling Center, Daejeon University, Daejeon, Korea.
  • 3Daejeon Dong-gu Center for Children's Food Service Management, Daejeon, Korea.

Abstract


OBJECTIVES
The present study systematically reviewed previous studies published in Korea regarding obesity status of children and adolescents in order to provide valid directions for future research and to help establish evidence-based prevention strategies.
METHODS
The articles were selected by searching the primary keyword "˜obesity' and the secondary keywords "˜children', "˜young children', "˜adolescents' or "˜kids' on the KISS (Korean Studies Information Service System). Out of 503 articles excluding the overlap, 308 articles were selected with inclusion and exclusion criteria. Secular trends of obesity research, distribution of subjects, potential risk factors for obesity, and intervention method for obesity management were documented. The associations between obesity and dietary factors were summarized.
RESULTS
The overall number of research studies has increased since 2000 but obesity management studies have decreased in recent years. Most of the studies used a cross-sectional design. Research on preschool children were extremely limited. Intervention studies targeting males were prevalent. The most significant variables relevant to dietary habits were speed of eating, regular breakfast and snacking. The most significant food and nutrient intake factors were thiamin and iron. Intakes of cereals and animal foods were significantly higher in obese children than the counterparts.
CONCLUSIONS
The present review of locally published articles on the obesity status in children and adolescents suggested the need for well-designed further studies focused on risk factors of obesity and on a range of intervention methods conducive to the development of obesity prevention and management programs.

Keyword

systematic review; childhood; adolescence; obesity
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