Table 2 |
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Indicators of volume, rate, and breaks in sedentary time: 2005-2006 NHANES U.S. Adults |
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Obesity Category |
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Normal Weight N = 1016, Males = 461, Females = 555 |
Overweight N = 1195, Males = 725, Females = 470 |
Obese N = 1242, Males = 562, Females = 680 |
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Accelerometer variable |
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Volume indicators** |
Mean (95% CL) |
Mean (95% CL) |
Mean (95% CL) |
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Activity counts/day |
All |
245743 |
243106 |
201958 |
|
|
(236709, 254776) |
(230874, 255340) |
(192613, 211303)‡ |
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Male |
282211 |
265224 |
224755 |
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|
(270112, 294311) |
(251468, 278979) |
(212759, 236751)‡ |
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Female |
222335 |
211356 |
183030 |
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|
(210842, 233827) |
(198266, 224446) |
(168426, 197635)† |
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Uncensored steps/day |
All |
10379 |
10015 |
8893 |
|
|
(10032, 10727) |
(9661, 10369) |
(8606, 9180)‡ |
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Male |
11402 |
10741 |
9889 |
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|
(10928, 11876) |
(10330, 11153) |
(9580, 10198)‡ |
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Female |
9723 |
8972 |
8066 |
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|
(9319, 10127) |
(8543, 9402) |
(7684, 8448)‡ |
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Censored steps/day |
All |
7190 |
6879 |
5784 |
|
|
(6856, 7524) |
(6581, 7177) |
(5520, 6047)‡ |
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Male |
8285 |
7643 |
6644 |
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(7829, 8742) |
(7301, 7984) |
(6383, 6905)‡ |
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Female |
6486 |
5782 |
5069 |
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|
(6091, 6882) |
(5417, 6148) |
(4703, 5435)‡ |
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Rate indicators* |
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|
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Activity counts/minute |
All |
343.9 |
332.3 |
287.5 |
|
|
(332.4, 355.4) |
(323.3, 341.2) |
(277.8, 297.2)‡ |
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Male |
395.3 |
363.5 |
314.9 |
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(375.9, 414.8) |
(351.2, 375.8) |
(302.4, 327.4)‡ |
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Female |
310.9 |
287.4 |
264.8 |
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|
(297.1, 324.6) |
(274.9, 299.9) |
(251.2, 278.3)‡ |
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Uncensored steps/minute |
All |
12.3 |
11.8 |
10.6 |
|
|
(11.9, 12.6) |
(11.4, 12.1) |
(10.3, 10.9)‡ |
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Male |
13.3 |
12.5 |
11.7 |
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(12.8, 13.8) |
(12.1, 12.9) |
(11.3, 12.0)‡ |
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Female |
11.6 |
10.7 |
9.8 |
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(11.1, 12.1) |
(10.3, 11.2) |
(9.4, 10.2)‡ |
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Censored steps/minute |
All |
8.5 |
8.1 |
6.9 |
|
|
(8.1, 8.9) |
(7.8, 8.3) |
(6.6, 7.2)‡ |
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Male |
9.7 |
8.9 |
7.8 |
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(9.2, 10.2) |
(8.5, 9.2) |
(7.5, 8.2)‡ |
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Female |
7.7 |
6.9 |
6.1 |
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(7.2, 8.2) |
(6.5, 7.3) |
(5.7, 6.6)‡ |
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Break in sedentary time indicator* |
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|
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Transitions/day |
All |
92.7 |
91.5 |
90.4 |
|
|
(90.9, 94.6) |
(90.2, 92.8) |
(89.3, 91.5)† |
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Male |
90.9 |
90.2 |
88.4 |
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|
(88.5, 93.4) |
(88.2, 92.1) |
(87.1, 89.8)† |
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Female |
93.9 |
93.5 |
92.1 |
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|
(92.0, 95.8) |
(91.4, 95.5) |
(90.4, 93.8) |
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*averaged over number of days worn **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. ‡p < 0.0001, †p < 0.03 for linear trend |
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Tudor-Locke et al. International Journal of Behavioral Nutrition and Physical Activity 2010 7:60 doi:10.1186/1479-5868-7-60 |
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