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Table 3 Actigraph thresholds for light to maximal intensity (in VO2max%) for men and women of different fitness tertiles

From: New relative intensity ambulatory accelerometer thresholds for elderly men and women: the Generation 100 study

Relative Intensity   Vertical Axis (cpm) Vector Magnitude (cpm)
Intensity VO2max (%)   Pooled Low Fitness Medium Fitness High Fitness Pooled Low Fitness Medium Fitness High Fitness
   Men (N = 49) (N = 17) (N = 23) (N = 9) (N = 49) (N = 17) (N = 23) (N = 9)
Light 37−45   56−266 51−204 57−289 60−421 611−1652 399−833 735−2004 2167−3047
Moderate 46−63   267−1971 205−1102 290−2254 422−3131 1653−3016 834−2011 2005−3285 3048−4048
Vigorous 64−90   1972−3878 1103−3001 2255−4097 3132−4747 3017−4581 2012−3688 3286−4802 4049−5423
Near-max to max ≥91   >3879 >3002 >4098 >4748 >4582 >3689 >4803 >5424
Intensity VO2max (%)   Pooled Low Fitness Medium Fitness High Fitness Pooled Low Fitness Medium Fitness High Fitness
   Women (N = 48) (N = 16) (N = 22) (N = 10) (N = 48) (N = 16) (N = 22) (N = 10)
Light 37−45   60−212 55−175 62−223 67−269 465−1076 347−668 513−1268 790−2116
Moderate 46−63   213−1217 175−788 224−1380 270−2024 1077−2424 669−1624 1269−2662 2117−3367
Vigorous 64−90   1218−3157 789−2438 1381−3345 2025−3920 2425−4078 1625−3266 2663−4283 3368−4868
Near-max to max ≥91   >3158 >2439 >3346 >3921 >4079 >3267 >4284 >4869
  1. Fitness tertiles for (1) women: Low <23.6 ml · kg−1 · min−1, Med = 23.6−29.8 ml · kg−1 · min−1, high > 29.8 ml · kg−1 · min−1,pooled = all tertiles of fitness together (2) men: Low < 27.0 ml · kg−1 · min−1, Med = 27.0−35.6 ml · kg−1 · min−1,High >35.6 ml · kg−1 · min−1, pooled = all tertiles of fitness together
  2. Abbreviations: VO 2max Maximal Oxygen Uptake, VA vertical axis, VM vector magnitude, cpm CPM
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BMC Geriatrics

ISSN: 1471-2318

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