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Table 4 Joint effects on frailty by different combinations of physical activity level and sitting time

From: Examining the independent and interactive association of physical activity and sedentary behaviour with frailty in Chinese community-dwelling older adults

  Sitting time OR (95%CI) P
Vigorous physical activity    
  <  4 h/d 1 (Ref.)  
  4-6 h/d 1.840 (0.642,5.278) 0.257
  6-8 h/d 3.139 (0.961,10.253) 0.058
  ≥ 8 h/d 5.228 (1.644,16.628) 0.005
Moderate physical activity    
  < 4 h/d 2.129 (0.918,4.942) 0.078
  4-6 h/d 2.935 (1.264,6.814) 0.012
  6-8 h/d 2.964 (1.226,7.164) 0.016
  ≥ 8 h/d 6.498 (2.525,16.720) < 0.0001
Light physical activity    
  < 4 h/d 4.432 (1.706,11.513) 0.002
  4-6 h/d 5.407 (2.090,13.986) 0.001
  6-8 h/d 2.693 (0.899,8.068) 0.077
  ≥ 8 h/d 8.223 (3.073,28.012) < 0.0001