Accelerometer-assessed sedentary behaviour among Chinese rural older adults: Patterns and associations with physical function

Han, Xiaolei; Wang, Xiaojie; Wang, Chaoqun; Wang, Pin; Han, Xiaodong; Zhao, Mingqing; Han, Qi; Jiang, Ziying; Mao, Ming; Chen, Si; Welmer, Anna‐Karin; Launer, Lenore J.; Wang, Yongxiang; Du, Yifeng; Qiu, Chengxuan

doi:10.1080/02640414.2022.2122321

Cited by 11 publications

(14 citation statements)

References 43 publications

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“…This population-based cross-sectional study used data from the ActiGraph substudy of the multimodal interventions to delay dementia and disability in rural China (MIND-China) (4,5). In brief, in March-September 2018, a total of 5,765 participants aged 60 years or older undertook multidisciplinary assessments for MIND-China; of them, 2,505 who were randomly selected from 32 of the 52 villages underwent the ActiGraph examination in August 2018-December 2020 (median time gap between baseline and ActiGraph examinations 5 1.86 years; interquartile range 5 1.36 years).…”

Section: Methodsmentioning

confidence: 99%

“…We instructed participants to wear the device on hips for 7 consecutive days and remove it only when sleeping, showering, and bathing. We analyzed data with wearing time $10 hr/day in $4 valid days (5,6). SB, light-intensity physical activity (LPA), and moderate-to vigorous-intensity physical activity (MVPA) were defined as ,100, 100-1,040, and $1,041 counts per minute, respectively (7).…”

Section: Methodsmentioning

confidence: 99%

“…SB, light-intensity physical activity (LPA), and moderate-to vigorous-intensity physical activity (MVPA) were defined as ,100, 100-1,040, and $1,041 counts per minute, respectively (7). We defined a sedentary bout as consecutive minutes with counts per minute ,100, total sedentary time as the average time (minutes) per day spent in sedentary bouts $1 minute, prolonged sedentary time as daily mean time (minutes) spent in sedentary bouts $30 minutes, and a break in sedentary time as $1 minute of nonsedentary bout after a sedentary bout, as previously described (5,6). ActiGraph wear season was categorized into spring, summer, autumn, and winter.…”

Section: Methodsmentioning

confidence: 99%

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Association of Accelerometer-Measured Sedentary Behavior Patterns With Nonalcoholic Fatty Liver Disease Among Older Adults: The MIND-China Study

Han

Wang

et al. 2022

Am J Gastroenterol

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INTRODUCTION: The relationships between sedentary behavior patterns and nonalcoholic fatty liver disease (NAFLD) in older adults are not well investigated. METHODS:This population-based study included 1,899 rural-dwelling adults (aged 60 years or older). We assessed sedentary parameters with ActiGraph and defined NAFLD using ultrasonography. RESULTS:Long total and prolonged sedentary time were associated with increased likelihoods of NAFLD, whereas engaging more breaks per sedentary hour and reallocating sedentary time to light-intensity physical activity were associated with reduced likelihoods of NAFLD (P linear <0.05).

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Association of Accelerometer-Measured Sedentary Behavior Patterns With Nonalcoholic Fatty Liver Disease Among Older Adults: The MIND-China Study

Han

Wang

et al. 2022

Am J Gastroenterol

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“…A multicentre study conducted in a total of 10 countries, including China, discovered that the average sitting time (ST) for adults aged 18–66 years was 8.7 hours per day 8 . As well, the popularity of ST is high among the middle‐aged and elderly population in China, with a reported average of over 8 hours per day 9,10 . Prolonged sedentary time has been reported as associated with increased risk both of suffering several chronic conditions and of mortality 11–13 .…”

Section: Introductionmentioning

confidence: 99%

“…8 As well, the popularity of ST is high among the middle-aged and elderly population in China, with a reported average of over 8 hours per day. 9,10 Prolonged sedentary time has been reported as associated with increased risk both of suffering several chronic conditions and of mortality. [11][12][13] Most of these studies were conducted in western developed countries such as the United States and the United Kingdom, however, with evidence on PA, SB, and mortality associations in the Chinese population limited.…”

Section: Introductionmentioning

confidence: 99%

Independent and interactive effect of sedentary time and physical activity on risk of all‐cause mortality: A prospective cohort study

Zhao

Zhang

Yang

et al. 2023

Scandinavian Med Sci Sports

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Objectives: Sedentary behavior (SB) and physical inactivity have been associated with an increased risk of all-cause mortality. Evidence in China is scarce, and it is unclear whether physical activity (PA) attenuates or even eliminates the harmful effects of prolonged SB in the Chinese population. Methods:We conducted a prospective cohort study of 17 084 Chinese adults.PA and sitting time (ST) were assessed using the IPAQ. Cox proportional hazards models were used to estimate the risk of PA and ST with all-cause mortality.Interaction plots were used to visualize the interaction effects.Results: During a median follow-up of 6.01 years, a total of 1106 deaths occurred.PA level was inversely associated with the incidence of all-cause mortality, while ST showed a detrimental association (all p trend < 0.05). In the stratified analysis, ST was associated with all-cause mortality in the low PA, while the association was attenuated in the moderate PA group: the HRs (95% CI) comparing ST of 4-8, 8-11, and ≥11 to <4 h/day were 1.15 (0.73-1.81), 1.55 (0.92-2.59), and 2.70 (1.52-4.80), respectively. In the high PA group, no significant association was found across all ST levels. In the joint analysis, compared with the high PA and ST <4 h/ day, the harmful effect was found only in the combined low PA and moderate PA groups with ST ≥11 h/day (HR:2.71, 95% CI:1.69-4.35). In addition, a significant interaction association was found. Conclusion:Our study, based on a prospective cohort, suggests that the detrimental effect of ST on all-cause mortality is attenuated or eliminated by high PA levels in the Chinese population.

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Associations of 24-hour movement behaviors with depressive symptoms in rural-dwelling older adults: a compositional data analysis

Zhao,

Liu,

Han

et al. 2024

Aging Clin Exp Res

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Background We aimed to explore the association of sleep duration with depressive symptoms among rural-dwelling older adults in China, and to estimate the impact of substituting sleep with sedentary behavior (SB) and physical activity (PA) on the association with depressive symptoms. Methods This population-based cross-sectional study included 2001 rural-dwelling older adults (age ≥ 60 years, 59.2% female). Sleep duration was assessed using the Pittsburgh Sleep Quality Index. We used accelerometers to assess SB and PA, and the 15-item Geriatric Depression Scale to assess depressive symptoms. Data were analyzed using restricted cubic splines, compositional logistic regression, and isotemporal substitution models. Results Restricted cubic spline curves showed a U-shaped association between daily sleep duration and the likelihood of depressive symptoms (P-nonlinear < 0.001). Among older adults with sleep duration < 7 h/day, reallocating 60 min/day spent on SB and PA to sleep were associated with multivariable-adjusted odds ratio (OR) of 0.81 (95% confidence interval [CI] = 0.78–0.84) and 0.79 (0.76–0.82), respectively, for depressive symptoms. Among older adults with sleep duration ≥ 7 h/day, reallocating 60 min/day spent in sleep to SB and PA, and reallocating 60 min/day spent on SB to PA were associated with multivariable-adjusted OR of 0.78 (0.74–0.84), 0.73 (0.69–0.78), and 0.94 (0.92–0.96), respectively, for depressive symptoms. Conclusions Our study reveals a U-shaped association of sleep duration with depressive symptoms in rural older adults and further shows that replacing SB and PA with sleep or vice versa is associated with reduced likelihoods of depressive symptoms depending on sleep duration.

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Accelerometer-assessed sedentary behaviour among Chinese rural older adults: Patterns and associations with physical function

Cited by 11 publications

References 43 publications

Association of Accelerometer-Measured Sedentary Behavior Patterns With Nonalcoholic Fatty Liver Disease Among Older Adults: The MIND-China Study

Association of Accelerometer-Measured Sedentary Behavior Patterns With Nonalcoholic Fatty Liver Disease Among Older Adults: The MIND-China Study

Independent and interactive effect of sedentary time and physical activity on risk of all‐cause mortality: A prospective cohort study

Associations of 24-hour movement behaviors with depressive symptoms in rural-dwelling older adults: a compositional data analysis

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