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The effect for exercise intensity on hypertension using propensity score

성향점수를 이용한 운동강도가 고혈압에 미치는 영향

  • Hwang, Jinseub (Department of Computer Science and Statistics, Daegu University) ;
  • Pi, Seonmi (Department of Statistics, Daegu University) ;
  • Choi, Woochul (Department of Computer Science and Statistics, Daegu University) ;
  • Kim, Jongtae (Department of Computer Science and Statistics, Daegu University)
  • 황진섭 (대구대학교 전산통계학과) ;
  • 피선미 (대구대학교 대학원 통계학과) ;
  • 최우철 (대구대학교 전산통계학과) ;
  • 김종태 (대구대학교 전산통계학과)
  • Received : 2016.12.29
  • Accepted : 2017.01.13
  • Published : 2017.01.31

Abstract

This study aims to identify the effect for exercise intensity on hypertension using propensity score based on the sixth Korea National Health and Nutrition Examination Survey data and to provide an evidence for the most effective exercise intensity for prevention or treatment of hypertension. Specifically, we select 3,486 subjects who aged between 18 and 65 years after excluding some subjects who are expected to have limited athletic ability. We estimate propensity scores for exercise intensity based on the confounders such as sex, age, smoking, drinking, and natrium intake. Considering the complex survey design, we conduct a descriptive analysis and multiple logistic regression for hypertension with propensity score as a covariate. Although the results of the study did not show statistically significant relationship between exercise intensity and hypertension, we expect that it can be used as a basis evidence that the appropriate exercise of moderate intensity may be more effective for the prevention and treatment of hypertension rather than strong intensity exercise and non-exercise.

본 연구의 목적은 국가표본조사자료인 제6기 국민건강영양조사자료를 활용하여 성향점수를 기반으로 운동강도가 고혈압에 미치는 영향을 알아보고, 고혈압을 예방 또는 치료하기 위한 가장 효율적인 운동강도의 근거를 마련하고자 하는 것이다. 연구대상자는 만 18세 이상 65세인 미만의 대한민국 성인 중에서 운동능력에 제한이 있을 것으로 예상되는 장애인과 활동제한이 있는 사람을 제외하고 나트륨 섭취량을 비롯한 고혈압에 영향을 줄 수 있는 교란요인들이 결측인 대상자를 제외한 3,486명을 선정하였다. 성별, 나이, 흡연, 음주 등과 같은 교란요인을 기반으로 운동강도에 대한 성향점수를 추정하고, 복합표본설계를 고려한 로지스틱회귀모형에 추정된 성향점수를 보정변수로 활용하여 운동강도에 따른 고혈압 유병여부의 관련성을 파악하였다. 본 연구결과는 운동강도와 고혈압 유병의 관련성이 통계적으로 유의한 것으로 나타나지는 않았지만, 운동을 하지 않거나 무리한 운동을 하기 보다는 중강도의 적절한 운동을 하는 것이 고혈압 예방 및 치료에 더욱 효과적일 수 있다는 향후 연구들의 기초자료로 활용 될 수 있으리라 기대한다.

Keywords

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