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Hak Kyun Kim 1 Article
Accelerometer-measured stepping cadence patterns in Korean adults: an analysis of data from the 2014-2015 Korea National Health and Nutrition Examination Survey
Geon Hui Kim, Hoyong Sung, Yeun Ryu, Jungjun Lim, Joon-Sik Kim, Hak Kyun Kim, Yeon Soo Kim
Epidemiol Health. 2021;43:e2021056.   Published online August 17, 2021
DOI: https://doi.org/10.4178/epih.e2021056
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AbstractAbstract AbstractSummary PDF
Abstract
OBJECTIVES
The aim of this study was to identify the stepping cadence patterns in Korean adults by using objectively measured accelerometer data to analyze the time spent in each cadence category by sex and age.
METHODS
During the 2014-2015 Korean National Health and Nutrition Examination Survey, 1,703 males and females aged 19-64 years provided at least 1 valid day of data (wearing an accelerometer ≥ 10 hr/d). The mean cumulative time and percentage per day in 8 cadence categories (0, 1-19, 20-29, 30-59, 60-79, 80-99, 100-119, and ≥ 120 steps/min) by sex and age group were calculated.
RESULTS
Cumulative time and percentage per day decreased across the incremental cadence categories. Participants spent 360.08± 2.56 min/d in the non-movement cadence category and 361.50± 2.28 min/d in the incidental movement cadence category. However, they spent only about 18.1 min/d (2.1%) at ≥ 100 steps/min. Males spent significantly more time in the cadence categories of sporadic movement, purposeful steps, slow walking, and medium walking, but the other categories, except for brisk walking, had higher values in females (p< 0.001). The older age group spent less time in non-movement cadence categories, and the youngest and oldest groups spent more time at a higher cadence (≥ 100 steps/min) than the other age groups. Similar patterns were found in a subgroup analysis by sex.
CONCLUSIONS
Korean adults spent most of their time at a low cadence and only a few minutes at a high cadence (≥100 steps/min); this trend was consistent across sex and age groups.
Summary
Korean summary
본 연구에서는 2014-2015년도 국민건강영양조사자료의 가속도계 자료를 활용하여 한국 성인의 성별, 연령별 케이던스 패턴을 확인하였다. 한국 성인은 하루 평균 약 12시간(약 87%)을 분당 20보 이하의 낮은 케이던스에서 보냈고, 분당 100보 이상의 높은 케이던스에서는 하루 중 단지 약 18분 (약 2%)의 시간을 보냈다. 성별 및 연령대에 따라 약간의 차이는 있으나, 대부분 유사한 양상을 보였다.
Key Message
Korean adults spent approximately 12 hours per day (about 87%) at a low cadence (<20 steps per minute) while spending only about 18 minutes per day (about 2%) at a high cadence (≥ 100 steps per minute). Even though certain amount of differences between sex and age groups do exist, most have shown similar patterns.

Epidemiol Health : Epidemiology and Health