Table 2.
Sociodemographic characteristics by accelerometry derived classes among adults (n = 7931); NHANES 2003-2006
| Weighted percent: gender | Weighted percent: age in years | Weighted percent: race/ethnicity | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| n | Female (n = 4118) | Male (n = 3813) | 18-34 (n = 2530) | 35-49 (n = 1790) | 50-64 (n = 1627) | > = 65 (n = 1984) | Non-Hispanic White (n = 3953) | Non-Hispanic Black (n = 1727) | Hispanic (N = 1927) | Other (N = 324) | |
| Average counts/minute | |||||||||||
| Class 1 - Least active | 2088 | 61.0 | 39.0 | 10.9 | 15.5 | 25.2 | 48.4 | 76.9 | 11.0 | 6.1 | 6.0 |
| Class 2 | 3372 | 58.9 | 41.1 | 27.7 | 31.6 | 28.3 | 12.4 | 72.2 | 11.8 | 10.2 | 5.7 |
| Class 3 | 1596 | 46.5 | 53.5 | 35.1 | 37.9 | 21.7 | 5.2 | 71.4 | 10.4 | 14.0 | 4.2 |
| Class 4 | 181 | 31.5 | 68.5 | 40.2 | 42.6 | 15.6 | 1.6 | 79.3 | 6.0 | 6.9 | 7.8 |
| Class 5 | 571 | 25.0 | 75.0 | 42.0 | 39.9 | 15.1 | 3.0 | 67.2 | 7.2 | 22.4 | 3.3 |
| Class 6 - Most active | 123 | 18.6 | 81.4 | 49.3 | 40.7 | 9.1 | 0.9 | 48.2 | 13.2 | 34.5 | 4.1 |
| Percent of MVPA (Troiano) out of total wearing time per day | |||||||||||
| Class 1 - Least active | 5410 | 61.6 | 38.4 | 21.4 | 26.7 | 27.9 | 23.9 | 73.3 | 11.4 | 9.5 | 5.7 |
| Class 2 | 1768 | 40.1 | 59.9 | 37.2 | 37.4 | 19.4 | 6.1 | 72.6 | 9.9 | 13.4 | 4.2 |
| Class 3 | 207 | 26.6 | 73.4 | 37.3 | 46.1 | 14.3 | 2.3 | 78.4 | 5.3 | 9.1 | 7.3 |
| Class 4 | 473 | 25.4 | 74.6 | 44.8 | 35.8 | 15.8 | 3.5 | 63.8 | 10.9 | 20.5 | 4.8 |
| Class 5 - Most active | 73 | 16.6 | 83.4 | 55.1 | 32.7 | 12.2 | 0.0 | 44.0 | 13.5 | 40.1 | 2.4 |
| Percent of MVPA bouts (Troiano) out of total wearing time per day | |||||||||||
| Class 1 - Least active | 4765 | 58.0 | 42.0 | 22.7 | 27.7 | 26.1 | 23.6 | 73.2 | 11.6 | 9.7 | 5.6 |
| Class 2 | 569 | 43.7 | 56.3 | 31.6 | 36.7 | 23.1 | 8.5 | 74.8 | 7.8 | 13.3 | 4.1 |
| Class 3 | 814 | 45.1 | 54.9 | 34.2 | 32.4 | 23.6 | 9.8 | 71.0 | 10.7 | 13.8 | 4.5 |
| Class 4 | 1573 | 47.8 | 52.2 | 34.2 | 35.1 | 21.5 | 9.3 | 71.5 | 9.9 | 13.1 | 5.5 |
| Class 5 - Most active | 210 | 32.6 | 67.4 | 39.1 | 30.9 | 23.4 | 6.7 | 64.9 | 12.7 | 17.8 | 4.7 |
| Percent of MVPA (Matthews) out of total wearing time per day | |||||||||||
| Class 1 - Least active | 2330 | 62.7 | 37.3 | 12.4 | 15.7 | 25.0 | 46.9 | 76.0 | 11.2 | 6.4 | 6.4 |
| Class 2 | 3277 | 57.6 | 42.4 | 29.6 | 32.2 | 27.8 | 10.4 | 72.7 | 11.6 | 10.3 | 5.4 |
| Class 3 | 1500 | 44.4 | 55.6 | 34.3 | 38.2 | 21.6 | 5.9 | 72.9 | 10.3 | 13.1 | 3.7 |
| Class 4 | 245 | 32.6 | 67.4 | 34.8 | 45.5 | 17.1 | 2.7 | 71.2 | 7.2 | 11.6 | 10.0 |
| Class 5 | 470 | 26.1 | 73.9 | 39.5 | 41.1 | 16.9 | 2.5 | 63.2 | 8.6 | 25.5 | 2.8 |
| Class 6 - Most active | 109 | 17.4 | 82.6 | 48.6 | 37.3 | 13.3 | 0.8 | 44.1 | 7.1 | 46.2 | 2.7 |
| Percent of MVPA bouts (Matthews) out of total wearing time per day | |||||||||||
| Class 1 - Least active | 1233 | 66.2 | 33.8 | 12.2 | 15.4 | 22.3 | 50.1 | 77.7 | 11.0 | 6.8 | 4.5 |
| Class 2 | 1410 | 66.1 | 33.9 | 23.6 | 26.2 | 29.1 | 21.1 | 71.2 | 12.7 | 8.2 | 7.8 |
| Class 3 | 2827 | 54.5 | 45.5 | 29.5 | 32.1 | 25.4 | 13.0 | 73.0 | 10.9 | 10.6 | 5.6 |
| Class 4 | 1997 | 41.5 | 58.5 | 31.5 | 36.5 | 23.1 | 8.9 | 73.8 | 9.8 | 12.6 | 3.8 |
| Class 5 - Most active | 464 | 23.5 | 76.5 | 41.0 | 38.9 | 16.7 | 3.4 | 55.6 | 9.1 | 30.6 | 4.8 |
| Percent of sedentary behavior out of total wearing time per day | |||||||||||
| Class 1 - Most sedentary | 662 | 49.7 | 50.3 | 11.4 | 11.1 | 20.2 | 57.4 | 79.8 | 10.7 | 4.0 | 5.5 |
| Class 2 | 2090 | 51.2 | 48.8 | 23.8 | 25.0 | 25.4 | 25.7 | 75.5 | 11.4 | 7.2 | 6.0 |
| Class 3 | 2848 | 57.5 | 42.5 | 27.1 | 31.3 | 27.2 | 14.4 | 73.8 | 11.4 | 8.8 | 5.9 |
| Class 4 | 1749 | 53.0 | 47.0 | 32.9 | 37.3 | 22.5 | 7.3 | 70.0 | 9.4 | 16.5 | 4.1 |
| Class 5 - Least sedentary | 582 | 33.2 | 66.8 | 38.5 | 41.1 | 18.0 | 2.3 | 57.1 | 10.6 | 28.7 | 3.6 |
| Percent of sedentary bouts out of total wearing time per day | |||||||||||
| Class 1 - Most sedentary | 587 | 48.5 | 51.5 | 9.6 | 8.4 | 18.3 | 63.8 | 81.0 | 9.9 | 3.0 | 6.1 |
| Class 2 | 1469 | 47.7 | 52.3 | 20.9 | 24.2 | 25.3 | 29.5 | 76.8 | 10.9 | 6.1 | 6.2 |
| Class 3 | 656 | 57.7 | 42.3 | 30.8 | 33.6 | 25.4 | 10.2 | 73.9 | 11.3 | 9.1 | 5.6 |
| Class 4 | 1449 | 54.4 | 45.6 | 25.8 | 25.9 | 26.9 | 21.4 | 73.4 | 12.3 | 9.2 | 5.1 |
| Class 5 | 1951 | 54.6 | 45.4 | 29.0 | 33.5 | 26.8 | 10.7 | 73.0 | 10.6 | 11.1 | 5.3 |
| Class 6 | 288 | 48.0 | 52.0 | 28.4 | 38.3 | 27.1 | 6.2 | 69.4 | 10.4 | 13.8 | 6.4 |
| Class 7 - Least sedentary | 1531 | 52.9 | 47.1 | 35.8 | 39.6 | 19.8 | 4.8 | 65.2 | 9.9 | 20.8 | 4.1 |
MVPA = moderate to vigorous physical activity.
Note: row percents are presented by category.