Passive sedentary behavior

Passive sedentary behavior has been studied in 5 papers since 2020: 4 observational studies in people, 1 review. The newest paper, Jul 31, 2024: “Associations of Cognitively Active Versus Passive Sedentary Behaviors and Cognition in Older Adults”.

Intervention

5 papers study it2 findingsUpdated

See all 5 papers on passive sedentary behavior

At a glance

The findings reach people, from one lab or study. 2 independent labs in 2 countries.

“There was no association between PSB and developing dementia across all PA levels.”
Do the Impacts of Mentally Active and Passive Sedentary Behavior on Dementia Incidence Differ by Physical Activity Level? A 5-year Longitudinal StudyJournal of epidemiology2022doi:10.2188/jea.je20210419

None of its findings points the other way.

Humans: a single group. Cells, worms or flies and mice: nothing yet.
  • 2 independent labs in 2 countries
  • Funders: Instituto de Salud Carlos III and 3 more
  • Humans4

What did studies of passive sedentary behavior find?

2

Studies of passive sedentary behavior measured 2 outcomes: dementia and Deficits Accumulation Index.

Dementia

no changein humans1

1 study
  1. Passive sedentary behavior was not clearly linked with dementia in humans.

    “There was no association between PSB and developing dementia across all PA levels.”

    Humans5-yearn = 5,323

    Do the Impacts of Mentally Active and Passive Sedentary Behavior on Dementia Incidence Differ by Physical Activity Level? A 5-year Longitudinal Study

    Journal of epidemiology

More on Dementia

Deficits Accumulation Index

upin humans1

1 study
  1. Passive sedentary behavior is linked with higher Deficits Accumulation Index in humans (compared with 2-2.9 h/day) (2.13 (95% CI 0.78, 3.47); P for trend = 0.001).

    “women who spent 3-3.9, 4-4.9 and ≥5 h/day on passive SB showed DA increases of 0.41 (-0.52, 1.35), 1.35 (0.13, 2.57) and 2.13 (0.78, 3.47)”

    Humanscompared with 2-2.9 h/day≥5 h/dayfemales

    Causal effects of physical activity and sedentary behaviour on health deficits accumulation in older adults

    International journal of epidemiology

More on Deficits Accumulation Index

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