Table 3.
Number of different counts across adherent days by sociodemographic and health characteristics among adults > =18 years (n = 7931); NHANES 2003-2006
| 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 |
n/a = not applicable; SE = standard error.
ap value for comparison of the means; uses t-test for 2 level and analysis of variance for > =3 levels.