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소아청소년 비만 예방의 근거: 기존 체계적 문헌고찰과 메타분석 활용

Evidence of Interventions for Preventing Obesity of Children and Adolescents Using Existing Systematic Reviews and Meta-Analyses

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초록

연구배경: 소아비만은 전 세계적인 보건 문제이며, 우리나라 또한 예외가 아니다. 국내에서도 소아비만 예방 사업이 산발적으로 진행되고 있으나, 근거에 기반한 사업모형이나 적절한 평가 없이 비슷한 사업이 반복되고 있다. 본연구는 소아비만 예방 프로그램의 연구 및 개발에 앞서, 기존의 소아비만 예방을 위한 체계적 종설과 메타분석을 모아 서술적으로 분석하여 효과적인 비만 예방을 위한 중재의 특성을 파악하고자 하였다. 방법: 전자저널 데이터베이스인 PubMed에서 2005년 1월이후부터 2015년 11월까지 발표된 소아ㆍ청소년 비만 예방중재 또는 프로그램을 다룬 체계적 종설 및 메타분석을 검색하였다. 포함된 논문에서 인용된 참고문헌 목록을 점검하여 연구 대상에 추가하였고, 미출판논문에 대한 검색은시행하지 않았다. 연구 대상 포함 기준은 비만 예방을 위한 중재를 대상으로 한 체계적 종설이나 메타분석일 것, 2세이상 18세 미만의 소아ㆍ청소년을 대상으로 한 연구일 것, 영어로 된 논문일 것 등이었다. 개별 연구는 체계적 문헌고찰의 질 평가도구인 AMSTAR를 이용하여 평가하였다. 임상 및 연구에 적용할 점, 연구의 장점 및 제한점에 대한정성분석을 시행하였다. 결과: 최종적으로 35편의 논문이 연구에 포함되었고, 15 편은 체계적 고찰, 20편은 메타분석에 해당하였다. 포함된35편의 논문 중 24편(69%)에서 소아청소년 비만 예방 중재의 효과에 대해 긍정적으로 보고하였다. 식사, 운동, 좌식생활, 환경 등 다양한 분야에 대한 중재를 포함하는 다면적접근이 효과적이었고, 학교를 중심으로 가정, 지역사회 등다양한 환경에서 중재를 하였을 때 긍정적인 결과를 나타내었다. 부모의 높은 참여도 또한 긍정적인 중재 결과에 영향을 주었다. 대상자의 나이, 성별, 지역, 사회경제적 특성에 따라 중재 효과가 다양하게 나타남을 보였다. 결론: 소아ㆍ청소년을 대상으로 한 비만 예방 중재는 작지만 체질량지수의 개선을 보였으며, 비만에 영향을 주는식사, 운동, 행동변수 및 임상변수에도 긍정적인 효과를 나타내었다. 효과적인 소아ㆍ청소년 비만 예방을 위해서는학교를 중심으로 가족 및 지역사회의 포괄적인 참여가 이루어지는 환경에서, 다양한 중재 방법을 활용한 프로그램의 개발 및 보급을 위한 노력이 필요하다.

Abstract

Background:Pediatric obesity is an important global issue in public health. However, previous efforts for childhood obesity prevention have sporadically been implemented in Korea, neither evidence-based nor with proper evaluation. We aimed to investigate the characteristics of an effective intervention for prevention of pediatric obesity by reviewing previous systematic reviews and Meta-analyses. Methods:PubMed was searched for articles published frombetween January 2005 to November 2015. Inclusion criteria were as follows: (1) articles published in English; (2) child and/or adolescents (between 2 and 18 years of age) as subjects; and (3) systematic reviews or meta-analyses concerning the preventive intervention of pediatric/adolescent obesity. Each study was evaluated via the Assessment of Multiple Systematic Reviews for quality assessment. We conducted a quantitative analysis to evaluate the implications, strengths, and limitations of each study. Results:Our final analysis included 35 articles, of which 15 were systematic reviews and 20 were meta-analyses. Among these, 24 studies (69%) advocated the efficacy of preventive intervention for pediatric obesity. Multidimensional approach including diet, exercise, and environmental factors conducted in schools with a parent and community involvement wasis more effective at preventing obesity. The efficacy of intervention varied depending on the age, sex, region, and socioeconomic characteristics of participantssubjects. Conclusions:Preventive intervention of pediatric obesity demonstrated smallminor improvements in body mass index and had positive effects on behavioral and clinical variables, which are associated with obesity. For the efficient prevention of pediatric obesity, it is necessary to consider efforts for developing various intervention programs, with active as well as the participation of school, family, and social community groups.

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