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Table 3 Mean values for accelerometer-determined variables in 2005–2006 NHANES adults (N = 3,725)

From: Adult self-reported and objectively monitored physical activity and sedentary behavior: NHANES 2005–2006

Variable Mean (SE) 95% CI
Accelerometer wear time (hours/day) 14.0 (0.1) 13.9-14.2
Volume indicators   
  Steps (steps/day)   
   Uncensored steps/day 9,685 (107) 9,457-9,912
   Censored steps/day 6,549 (106) 6,324-6,774
  Activity counts (counts/day)   
   Activity counts/day 269,107 (3,236) 262,209-276,006
Rate indicators   
  Steps (steps/minute)   
   Uncensored steps/minute 11.5 (0.1) 11.3-11.7
   Censored steps/minute 7.7 (0.1) 7.5-8.0
   Peak 1-minute cadence 100.8 (0.6) 99.6-102.0
   Peak 30-minute cadence 71.6 (0.7) 70.0-73.2
  Activity counts (counts/minute)   
   Activity counts/minute 318.1 (3.0) 311.8-324.5
Time indicators   
  Cadence (minutes/day)   
   Non-movement 288.9 (2.2) 284.2-293.7
   Incidental movement 383.4 (2.1) 378.9-387.8
   Sporadic movement 102.1 (1.4) 99.0-105.2
   Purposeful steps 38.9 (0.7) 37.4-40.4
   Slow walking 15.5 (0.3) 14.8-16.3
   Medium walking 7.5 (0.3) 7.0-8.1
   Brisk walking 5.0 (0.3) 4.3-5.7
   Faster locomotion 1.5 (0.1) 1.3-1.8
   Any movement 554.0 (3.0) 547.7-560.3
   Non-incidental movement 170.6 (2.2) 165.8-175.4
  Activity intensity (minutes/day)   
   Sedentary time 478.9 (2.6) 473.4-484.4
   Low intensity 200.0 (1.5) 196.8-203.1
   Light intensity 141.3 (1.8) 137.4-145.1
   Lifestyle intensity 87.8 (1.2) 85.1-90.4
   Moderate intensity 21.9 (0.6) 20.6-23.2
   Vigorous intensity 0.9 (0.1) 0.7-1.0
   Moderate-to-vigorous intensity 22.8 (0.7) 21.3-24.2
   Moderate-to-vigorous intensity in 10 minute bouts 6.1 (0.4) 5.3-6.9
Breaks in sedentary time   
   Transitions/day 91.5 (0.4) 90.6-92.5
  1. Values weighted to provide nationally representative estimates.