Table 1.
Latent classes derived from accelerometry among adults (n = 7931); NHANES 2003-2006
| Weighted mean of average counts/minute, MVPA (minutes/day), or sedentary behavior (minutes/day) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| n | Weighted percent of population in class | Average percent out of total wearing time | Overall | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday | |
| Average counts/minute | |||||||||||
| Class 1 - Least active | 2088 | 21.7 | 135.4 | 138.1 | 135.3 | 131.6 | 134.6 | 139.8 | 139.6 | 125.6 | |
| Class 2 | 3372 | 44.1 | 267.2 | 272.5 | 269.0 | 265.9 | 265.2 | 266.2 | 274.6 | 257.9 | |
| Class 3 | 1596 | 22.2 | 406.0 | 423.9 | 416.7 | 410.7 | 421.9 | 418.4 | 391.7 | 361.6 | |
| Class 4 | 181 | 2.8 | 510.2 | 448.2 | 432.9 | 417.5 | 436.2 | 442.3 | 692.2 | 801.5 | |
| Class 5 | 571 | 7.8 | 568.2 | 611.5 | 631.7 | 631.4 | 620.6 | 575.6 | 465.3 | 429.4 | |
| Class 6 - Most active | 123 | 1.3 | 852.4 | 906.5 | 846.8 | 974.9 | 934.6 | 873.2 | 723.6 | 707.9 | |
| Average percent of MVPA (Troiano) out of total wearing time per day | |||||||||||
| Class 1 - Least active | 5410 | 65.3 | 1.2 | 9.3 | 10.8 | 10.4 | 9.9 | 10.3 | 10.5 | 10.0 | 8.9 |
| Class 2 | 1768 | 24.9 | 4.2 | 32.1 | 38.5 | 39.0 | 38.8 | 37.6 | 36.6 | 31.0 | 26.8 |
| Class 3 | 207 | 3.2 | 7.1 | 52.0 | 49.8 | 44.8 | 43.3 | 51.4 | 47.5 | 78.4 | 95.2 |
| Class 4 | 473 | 5.9 | 8.2 | 59.9 | 77.3 | 78.2 | 82.0 | 78.3 | 68.5 | 47.6 | 39.0 |
| Class 5 - Most active | 73 | 0.7 | 16.1 | 113.6 | 150.4 | 138.2 | 159.6 | 133.0 | 127.6 | 112.1 | 92.1 |
| Percent of MVPA bouts (Troiano) out of total wearing time per day | |||||||||||
| Class 1 - Least active | 4765 | 57.5 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.2 | 0.0 | 0.0 | 0.0 |
| Class 2 | 569 | 8.2 | 0.5 | 4.3 | 0.0 | 0.0 | 0.2 | 0.0 | 5.8 | 10.2 | 13.3 |
| Class 3 | 814 | 10.3 | 0.5 | 4.9 | 6.6 | 6.0 | 9.0 | 5.6 | 3.0 | 1.9 | 1.6 |
| Class 4 | 1573 | 21.5 | 2.1 | 17.8 | 19.8 | 19.9 | 18.4 | 19.3 | 16.3 | 15.9 | 15.4 |
| Class 5 - Most active | 210 | 2.5 | 6.7 | 53.3 | 66.5 | 51.1 | 63.4 | 53.3 | 47.8 | 46.0 | 45.0 |
| Percent of MVPA (Matthews) out of total wearing time per day | |||||||||||
| Class 1 - Least active | 2330 | 24.3 | 4.4 | 34.6 | 37.8 | 37.6 | 36.5 | 37.7 | 39.6 | 38.7 | 33.2 |
| Class 2 | 3277 | 43.6 | 11.0 | 84.3 | 97.0 | 95.8 | 94.4 | 92.6 | 95.7 | 94.4 | 86.6 |
| Class 3 | 1500 | 20.9 | 17.8 | 133.9 | 156.0 | 153.5 | 153.0 | 155.9 | 157.5 | 141.0 | 126.7 |
| Class 4 | 245 | 3.8 | 24.6 | 183.6 | 198.1 | 185.4 | 178.6 | 184.2 | 195.9 | 251.6 | 246.4 |
| Class 5 | 470 | 6.2 | 25.8 | 185.1 | 229.6 | 255.1 | 245.0 | 244.7 | 218.0 | 152.7 | 129.0 |
| Class 6 - Most active | 109 | 1.2 | 39.5 | 266.3 | 358.6 | 334.6 | 341.8 | 352.2 | 328.7 | 226.9 | 237.0 |
| Percent of MVPA bouts (Matthews) out of total wearing time per day | |||||||||||
| Class 1 - Least active | 1233 | 12.7 | 0.0 | 0.2 | 0.3 | 0.3 | 0.3 | 0.2 | 0.3 | 0.0 | 0.0 |
| Class 2 | 1410 | 17.0 | 0.8 | 6.4 | 5.1 | 3.9 | 4.8 | 3.7 | 4.8 | 11.4 | 12.5 |
| Class 3 | 2827 | 37.3 | 2.9 | 24.8 | 26.6 | 24.4 | 22.2 | 23.4 | 24.1 | 28.8 | 26.9 |
| Class 4 | 1997 | 27.4 | 8.3 | 69.6 | 74.0 | 69.0 | 72.2 | 69.7 | 70.7 | 70.1 | 62.5 |
| Class 5 - Most active | 464 | 5.6 | 21.3 | 175.4 | 189.2 | 212.4 | 190.6 | 203.7 | 185.4 | 124.1 | 109.8 |
| Percent of sedentary behavior out of total wearing time per day | |||||||||||
| Class 1 - Most sedentary | 662 | 6.3 | 82.3 | 660.2 | 732.5 | 736.5 | 725.2 | 725.6 | 728.6 | 726.3 | 735.4 |
| Class 2 | 2090 | 25.1 | 69.3 | 546.8 | 606.6 | 624.3 | 616.3 | 617.5 | 613.3 | 562.6 | 568.8 |
| Class 3 | 2848 | 37.7 | 58.4 | 453.9 | 502.1 | 507.1 | 512.6 | 505.1 | 509.6 | 479.5 | 483.5 |
| Class 4 | 1749 | 24.0 | 46.7 | 354.8 | 399.3 | 387.9 | 394.1 | 384.7 | 388.2 | 395.0 | 404.3 |
| Class 5 - Least sedentary | 582 | 7.0 | 35.0 | 256.3 | 271.8 | 263.0 | 261.1 | 255.2 | 292.4 | 346.5 | 336.7 |
| Percent of sedentary bouts out of total wearing time per day | |||||||||||
| Class 1 - Most sedentary | 587 | 5.6 | 85.6 | 746.7 | 760.6 | 761.5 | 749.0 | 749.1 | 751.0 | 757.7 | 767.6 |
| Class 2 | 1469 | 17.3 | 66.2 | 568.9 | 578.5 | 597.4 | 591.5 | 587.4 | 585.0 | 527.6 | 548.5 |
| Class 3 | 656 | 8.7 | 49.2 | 425.7 | 448.0 | 518.5 | 534.8 | 523.0 | 420.9 | 246.1 | 302.1 |
| Class 4 | 1449 | 17.9 | 51.0 | 441.0 | 436.8 | 426.1 | 416.1 | 418.2 | 446.1 | 490.0 | 486.1 |
| Class 5 | 1951 | 26.0 | 35.6 | 300.8 | 305.2 | 293.6 | 315.9 | 306.6 | 308.2 | 274.4 | 323.0 |
| Class 6 | 288 | 4.1 | 35.1 | 292.1 | 204.8 | 208.2 | 195.4 | 186.6 | 288.2 | 551.3 | 441.9 |
| Class 7 - Least sedentary | 1531 | 20.3 | 19.5 | 159.0 | 166.0 | 153.5 | 144.8 | 146.3 | 156.5 | 181.7 | 199.8 |
MVPA = moderate to vigorous physical activity.