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2 "So Mi Jemma Cho"
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Original Articles
Association of social network size and composition with physical activity in Korean middle-aged adults
Moon Su Kwak, So Mi Jemma Cho, Jee-Seon Shim, Dae Jung Kim, Yoosik Youm, Hyeon Chang Kim
Epidemiol Health. 2020;42:e2020070.   Published online November 25, 2020
DOI: https://doi.org/10.4178/epih.e2020070
  • 8,465 View
  • 141 Download
  • 2 Web of Science
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
Physical activity (PA) is an established protective factor for many chronic diseases. Numerous studies have established positive relationships between social networks and PA. Accordingly, this study examined the relationship between social network structures (specifically the network size and the number and proportion of same-sex alters) and self-reported PA in Korean middle-age adults, where the term “alter” refers to a respondent’s social network members.
METHODS
We analyzed 8,092 participants of the Cardiovascular and Metabolic Diseases Etiology Research Center cohort. We assessed the association between each network structure variable and PA level using a linear regression model. Then, we employed logistic regression to evaluate associations between social network structure and adherence to guideline-recommended exercise levels. Socio-demographic factors and health status measures were used as covariates.
RESULTS
In both sexes, the social network size and proportion of same-sex network members showed positive relationships with total and moderate-to-vigorous PA. Notably, female participants with a greater number of kin were more likely to satisfy the recommended amount of total PA.
CONCLUSIONS
These findings suggest that large scale, same-sex intervention programs can help to achieve recommended PA regimens.
Summary
Korean summary
이 연구는 30-64세 중년의 한국인 8,092(남자 2,805, 여자 5,207)명에서 사회연결망 특성과 신체활동량의 관련성을 평가했다. 남녀 모두에서 사회연결망의 크기가 클수록, 연결망내 동성인 사람의 비중이 높을수록 신체활동량이 많았다. 사회연결망 크기와 연결망내 동성인 사람의 비중은 권장 신체활동량을 충족률과도 양의 관련성을 보였다. 반면, 연결망내 친족의 비중이 높은 경우는 오히려 권장신체활동량을 충족할 가능성이 낮았다.
Comparison of self-reported and accelerometer-assessed measurements of physical activity according to socio-demographic characteristics in Korean adults
Seung Won Lee, Jee-Seon Shim, Bo Mi Song, Ho Jae Lee, Hye Yoon Bae, Ji Hye Park, Hye Rin Choi, Jae Won Yang, Ji Eun Heo, So Mi Jemma Cho, Ga Bin Lee, Diana Huanan Hidalgo, Tae-Hoon Kim, Kyung Soo Chung, Hyeon Chang Kim
Epidemiol Health. 2018;40:e2018060.   Published online November 29, 2018
DOI: https://doi.org/10.4178/epih.e2018060
  • 12,952 View
  • 164 Download
  • 7 Web of Science
  • 6 Crossref
AbstractAbstract AbstractSummary PDF
Abstract
OBJECTIVES
Previous studies have shown relatively low correlations between self-reported and accelerometer-assessed physical activity (PA). However, this association differs by socio-demographic factors, and this relationship has not been fully investigated in the general population. Thus, we investigated the correlation between self-reported and accelerometer-assessed PA and whether it differed by demographic and socioeconomic factors among the Korean general population.
METHODS
This cross-sectional study included 623 participants (203 men and 420 women) aged 30 to 64 years, who completed a PA questionnaire and wore a wrist-worn accelerometer on the non-dominant wrist for 7 days. We examined the agreement for metabolic equivalent task minutes per week (MET-min/wk) between the 2 measures and calculated Spearman correlation coefficients according to demographic and socioeconomic factors.
RESULTS
The kappa coefficient between tertiles of self-reported and accelerometer-assessed total MET-min/wk was 0.16 in the total population, suggesting overall poor agreement. The correlation coefficient between the 2 measurements was 0.26 (p<0.001) in the total population, and the correlation tended to decrease with increasing age (p for trend <0.001) and depression scores (p for trend <0.001).
CONCLUSIONS
We found a low correlation between self-reported and accelerometer-assessed PA among healthy Korean adults, and the correlation decreased with age and depression score. When studying PA using accelerometers and/or questionnaires, age and depression need to be considered, as should differences between self-reported and accelerometer-assessed PA.
Summary
Korean summary
역학연구에서 신체활동량 측정에 가장 많이 사용되는 설문조사와 가속도계 착용법인데, 두 가지 방법으로 측정한 신체활동량은 상관성이 그리 높지 않으며, 대상자 특성에 따라서도 일치도가 다른 것으로 보고되고 있다. 따라서, 비교적 건강한 중년의 한국 성인을 대상으로 자가설문과 가속도계 조사를 사용해 측정한 신체활동량의 관련성을 조사해보았다. 이 연구는 전향적 코호트 연구의 기반조사 결과를 이용한 단면연구로, 지역사회 거주하는 30-64세 성인 623명(남성203명, 여성 420명)을 대상으로 하였으며, 신체활동을 자가보고 설문조사와 3축 가속도계를 7일간 손목에 연속착용하여 측정하고 두 방법으로 측정한 신체활동량을 비교하였다. 전체 대상자에서 두 방법으로 측정한 신체활동량 삼분위(tertile) 값의 일치도를 조사했을 때 Kappa 통계량은 0.16 이었으며 Spearman 상관계수는 0.26 (p<0.001)이었다. 나이가 많을수록 우울증상이 많을수록 두 방법 간 일치도와 상관성이 낮아지는 경향을 보였다.

Citations

Citations to this article as recorded by  
  • Historical development of accelerometry measures and methods for physical activity and sedentary behavior research worldwide: A scoping review of observational studies of adults
    Kelly R. Evenson, Elissa Scherer, Kennedy M. Peter, Carmen C. Cuthbertson, Stephanie Eckman, Zulkarnain Jaafar
    PLOS ONE.2022; 17(11): e0276890.     CrossRef
  • Physical Exercise and Undergraduate Students’ Subjective Well-Being: Mediating Roles of Basic Psychological Need Satisfaction and Sleep Quality
    Sen Lin, Liming Li, Dong Zheng, Libiao Jiang
    Behavioral Sciences.2022; 12(9): 316.     CrossRef
  • The effect of a video‐supported assessment to increase the accuracy of self‐reported physical activity
    Antje Ullrich, Lisa Voigt, Ulrike Siewert‐Markus, Christian Meyer, Marcus Dörr, Sabina Ulbricht
    Scandinavian Journal of Medicine & Science in Sports.2021; 31(5): 1059.     CrossRef
  • Association between social network structure and physical activity in middle-aged Korean adults
    So Mi Jemma Cho, Hokyou Lee, Jee-Seon Shim, Yoosik Youm, Sun Jae Jung, Dae Jung Kim, Hyeon Chang Kim
    Social Science & Medicine.2021; 282: 114112.     CrossRef
  • Objective versus Self-reported Physical Activity and Cardiovascular Disease Risk Factors
    Hoyong Sung, Jungjun Lim, Junbae Mun, Yeonsoo Kim
    The Korean Journal of Sports Medicine.2020; 38(1): 28.     CrossRef
  • Let’s Live Healthier: The Relationship between Suicidal Behavior and Physical Activity in an Age-, Gender-, and Body Mass Index-Matched Adults
    Jeong-Hui Park, Myong-Won Seo, Hyun Chul Jung, Jung-Min Lee
    International Journal of Environmental Research and Public Health.2020; 17(22): 8350.     CrossRef
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