Device-measured sedentary behavior in oldest old adults: A systematic review and meta-analysis

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A paper titled “Device-measured sedentary behavior in oldest old adults: A systematic review and meta-analysis” has recently been published in Preventive Medicine Reports. Citation details, highlights, and the summary of the paper are re-posted below. The full publication is available here (open access).


Webster, K. E., Zhou, W., Gallagher, N. A., Smith, E., Gothe, N. P., Ploutz-Snyder, R., Colabianchi, N., & Larson, J. L. (2021). Device-measured sedentary behavior in oldest old adults: A systematic review and meta-analysis. Preventive Medicine Reports23, 101405.


  • This literature review found that adults ≥ 80 years are sedentary 10.6 h/day.
  • Five personal factors were associated with sedentary behavior in adults ≥ 80 years.
  • Factors influencing sedentary behavior in adults ≥ 80 years are understudied.


Sedentary behavior contributes to health decline and frailty in older adults, especially the oldest old. The purpose of this systematic review was to synthesize evidence describing the volume of device-measured sedentary behavior and factors that influence sedentary behavior in community-dwelling adults aged 80 and older. Four electronic databases were searched in August 2018; the search was updated in September 2019 and December 2020. Twenty-one articles representing 16 unique datasets from six countries met inclusion criteria. Various devices and data processing methods were used to measure sedentary behavior; the most common device was the ActiGraph accelerometer. Sedentary time during the waking day ranged from 7.6 to 13.4 h/day. Studies using similar measurement methods (hip-worn ActiGraph with uniaxial cut-point <100 counts per minute) had a weighted mean of 10.6 h/day. Subgroup analyses revealed that male gender and age ≥85 may contribute to increased sedentary behavior. Only seven individual articles examined factors that influence sedentary behavior in the 80 and older age group; older age, male gender, non-Hispanic white race/ethnicity, social disadvantage, and declining cognitive function (in men) were associated with increased sedentary behavior. In conclusion, the oldest old are highly sedentary and little is known about factors that influence their sedentary behavior.

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