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Table 3 Number of different counts across adherent days by sociodemographic and health characteristics among adults > =18 years (n = 7931); NHANES 2003-2006

From: Performance of the ActiGraph accelerometer using a national population-based sample of youth and adults

 

Sample size (n)

Mean (SE)

25th percentile

50th percentile

75th percentile

p value a

Gender:

     

<.0001

Men

3,813

1171.4 (5.9)

918.0

1163.0

1412.0

 

Women

4,118

1036.2 (4.5)

845.0

1026.0

1226.0

 

Age group:

     

<.0001

18-34

2,530

1167.6 (6.4)

940.0

1141.5

1368.0

 

35-49

1,790

1227.2 (7.2)

1015.0

1203.0

1418.0

 

50-64

1,627

1126.1 (7.4)

929.0

1119.0

1303.0

 

65 and older

1,984

882.4 (6.7)

671.0

862.5

1069.5

 

Race/ethnicity:

     

<.0001

Non-Hispanic White

3,953

1076.5 (5.2)

846.0

1069.0

1298.0

 

Non-Hispanic Black

1,727

1078.2 (7.7)

862.0

1062.0

1276.0

 

Hispanic

1,927

1178.3 (7.9)

935.0

1158.0

1393.0

 

Other

324

1065.7 (16.3)

903.0

1047.5

1222.0

 

Education:

     

<.0001

Less than high school

1,002

1074.7 (12.1)

797.0

1031.0

1325.0

 

High school graduate/GED

3,278

1097.1 (5.9)

856.0

1073.0

1311.0

 

Greater than high school

3,644

1112.7 (5.2)

908.0

1105.0

1313.0

 

Missing

7

     

Body mass index (kg/m2):

     

<.0001

Underweight (<18.5)

132

1057.3 (28.5)

821.5

1070.0

1305.0

 

Normal (18.5- <25)

2,517

1127.1 (6.9)

889.0

1115.0

1342.0

 

Overweight (25- <30)

2,644

1130.5 (6.6)

896.0

1112.0

1350.0

 

Obese (> = 30)

2,575

1052.7 (6.0)

841.0

1037.0

1252.0

 

Missing

63

     

Need special equipment to walk:

    

<.0001

Yes

660

780.8 (12.1)

535.5

737.0

971.5

 

No

6,576

1128.6 (4.0)

905.0

1109.0

1325.5

 

Missing

695

     

Moderate to vigorous leisure activity, self-reported:

   

<.0001

Tertile 1 (0–0.93 hours)

2,770

1014.3 (6.7)

762.0

992.0

1236.0

 

Tertile 2 (>0.93-4.63 hours)

2,455

1115.3 (6.4)

897.0

1091.0

1313.0

 

Tertile 3 (>4.63 hours)

2,688

1178.5 (5.9)

966.5

1167.0

1365.0

 

Missing

18

     

Number of adherent accelerometer days:

    

<.0001

3 days

459

819.7 (10.3)

671.0

815.0

949.0

 

4 days

645

932.0 (10.7)

768.0

923.0

1069.0

 

5 days

998

1059.5 (9.2)

865.0

1048.5

1242.0

 

6 days

1,740

1137.5 (7.7)

921.0

1128.5

1340.0

 

7 days

4,089

1154.2 (5.4)

923.0

1153.0

1369.0

 

Weekends

7,931

356.9 (1.8)

259.0

364.0

463.0

n/a

Weekdays

7,931

744.2 (3.1)

551.0

720.0

904.0

n/a

  1. n/a = not applicable; SE = standard error.
  2. ap value for comparison of the means; uses t-test for 2 level and analysis of variance for > =3 levels.