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Table 2 Indicators of volume, rate, and breaks in sedentary time: 2005-2006 NHANES U.S. Adults

From: Accelerometer profiles of physical activity and inactivity in normal weight, overweight, and obese U.S. men and women

    Obesity Category
    Normal Weight N = 1016, Males = 461, Females = 555 Overweight N = 1195, Males = 725, Females = 470 Obese N = 1242, Males = 562, Females = 680
Accelerometer variable     
Volume indicators**    Mean (95% CL) Mean (95% CL) Mean (95% CL)
  Activity counts/day All 245743 243106 201958
    (236709, 254776) (230874, 255340) (192613, 211303)‡
   Male 282211 265224 224755
    (270112, 294311) (251468, 278979) (212759, 236751)‡
   Female 222335 211356 183030
    (210842, 233827) (198266, 224446) (168426, 197635)†
  Uncensored steps/day All 10379 10015 8893
    (10032, 10727) (9661, 10369) (8606, 9180)‡
   Male 11402 10741 9889
    (10928, 11876) (10330, 11153) (9580, 10198)‡
   Female 9723 8972 8066
    (9319, 10127) (8543, 9402) (7684, 8448)‡
  Censored steps/day All 7190 6879 5784
    (6856, 7524) (6581, 7177) (5520, 6047)‡
   Male 8285 7643 6644
    (7829, 8742) (7301, 7984) (6383, 6905)‡
   Female 6486 5782 5069
    (6091, 6882) (5417, 6148) (4703, 5435)‡
Rate indicators*      
  Activity counts/minute All 343.9 332.3 287.5
    (332.4, 355.4) (323.3, 341.2) (277.8, 297.2)‡
   Male 395.3 363.5 314.9
    (375.9, 414.8) (351.2, 375.8) (302.4, 327.4)‡
   Female 310.9 287.4 264.8
    (297.1, 324.6) (274.9, 299.9) (251.2, 278.3)‡
  Uncensored steps/minute All 12.3 11.8 10.6
    (11.9, 12.6) (11.4, 12.1) (10.3, 10.9)‡
   Male 13.3 12.5 11.7
    (12.8, 13.8) (12.1, 12.9) (11.3, 12.0)‡
   Female 11.6 10.7 9.8
    (11.1, 12.1) (10.3, 11.2) (9.4, 10.2)‡
  Censored steps/minute All 8.5 8.1 6.9
    (8.1, 8.9) (7.8, 8.3) (6.6, 7.2)‡
   Male 9.7 8.9 7.8
    (9.2, 10.2) (8.5, 9.2) (7.5, 8.2)‡
   Female 7.7 6.9 6.1
    (7.2, 8.2) (6.5, 7.3) (5.7, 6.6)‡
Break in sedentary time indicator*      
  Transitions/day All 92.7 91.5 90.4
    (90.9, 94.6) (90.2, 92.8) (89.3, 91.5)†
   Male 90.9 90.2 88.4
    (88.5, 93.4) (88.2, 92.1) (87.1, 89.8)†
   Female 93.9 93.5 92.1
    (92.0, 95.8) (91.4, 95.5) (90.4, 93.8)
  1. *averaged over number of days worn
  2. **10 or more consecutive minutes above the moderate intensity activity count threshold, with allowance for interruptions of 1 or 2 minutes below threshold. A bout was terminated by 3 minutes below threshold.
  3. ‡p < 0.0001, †p < 0.03 for linear trend