Table 2.
Total accumulated sedentary timec by bout length categories among non-pregnant women and pregnant women by trimester of pregnancy.
| Non-pregnant |
Pregnant |
1st Trimester |
2nd Trimester |
3rd Trimester |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | ||||||
| Total Sedentary Time (min/d) | |||||||||||||||
| ≥ 1 min bouts | 461.2 | 453.4 | 469.0 | 480.4a | 453.4 | 469.0 | 478.8 | 444.4 | 513.2 | 478.6 | 464.4 | 492.9 | 483.8 | 453.8 | 513.8 |
| ≥ 5 min bouts | 333.3 | 324.3 | 342.3 | 354.3a | 337.3 | 371.2 | 345.1 | 299.2 | 391.0 | 350.2 | 334.1 | 366.2 | 365.8 | 331.4 | 400.3 |
| ≥ 10 min bouts | 235.4 | 226.6 | 244.3 | 251.8a | 235.2 | 268.4 | 236.2 | 190.1 | 282.3 | 248.8 | 232.3 | 265.2 | 266.2 | 232.3 | 300.1 |
| ≥ 15 min bouts | 173.8 | 165.8 | 181.8 | 184.7 | 170.6 | 198.9 | 166.6 | 124.8 | 208.4 | 182.4 | 167.7 | 197.2 | 200.0b | 172.7 | 227.3 |
| ≥ 20 min bouts | 131.8 | 124.7 | 139.0 | 138.9 | 126.2 | 151.7 | 125.0 | 90.7 | 159.3 | 136.8 | 124.2 | 149.4 | 151.1b | 127.6 | 174.7 |
| ≥ 25 min bouts | 101.4 | 95.0 | 107.7 | 109.0 | 99.0 | 119.0 | 96.4 | 70.3 | 122.4 | 107.5 | 95.8 | 119.1 | 119.6b | 99.8 | 139.4 |
| ≥ 30 min bouts | 79.5 | 74.2 | 84.8 | 85.3 | 76.3 | 94.3 | 71.7 | 49.7 | 93.7 | 86.8 | 76.0 | 97.6 | 92.5b | 75.3 | 109.7 |
| Total Sedentary Time (% wear time) | |||||||||||||||
| ≥ 1 min bouts | 55.1 | 54.2 | 56.0 | 57.3a | 55.4 | 59.2 | 56.9 | 52.5 | 61.3 | 57.0 | 55.3 | 58.7 | 57.9 | 54.0 | 61.8 |
| ≥ 5 min bouts | 39.8 | 38.8 | 40.9 | 42.2a | 39.9 | 44.4 | 40.6 | 34.5 | 46.7 | 41.6 | 39.6 | 43.6 | 43.9 | 39.5 | 48.4 |
| ≥ 10 min bouts | 28.1 | 27.1 | 29.2 | 30.0 | 27.8 | 32.2 | 27.6 | 21.4 | 33.7 | 29.6 | 27.5 | 31.7 | 32.2 | 27.8 | 36.5 |
| ≥ 15 min bouts | 20.8 | 19.9 | 21.7 | 22.0 | 20.1 | 24.0 | 19.3 | 13.7 | 24.9 | 21.7 | 19.8 | 23.6 | 24.3 | 20.8 | 27.8 |
| ≥ 20 min bouts | 15.8 | 14.9 | 16.6 | 16.5 | 14.8 | 18.3 | 14.4 | 9.8 | 19.0 | 16.2 | 14.6 | 17.9 | 18.4 | 15.3 | 21.4 |
| ≥ 25 min bouts | 12.1 | 11.4 | 12.9 | 13.0 | 11.6 | 14.3 | 11.1 | 7.6 | 14.6 | 12.7 | 11.2 | 14.3 | 14.5b | 12.0 | 17.0 |
| ≥ 30 min bouts | 9.5 | 8.9 | 10.1 | 10.1 | 8.8 | 11.3 | 8.1 | 5.1 | 11.2 | 10.3 | 8.8 | 11.7 | 11.1b | 8.9 | 13.3 |
| Day-to-day variability (CV%) | |||||||||||||||
| ≥ 1 min bouts | 8.7 | 8.4 | 9.1 | 9.7 | 8.0 | 11.5 | 11.4 | 5.0 | 17.8 | 8.6 | 7.3 | 9.9 | 9.9 | 8.3 | 11.6 |
| ≥ 5 min bouts | 5.1 | 4.9 | 5.3 | 5.8 | 4.5 | 7.1 | 7.0 | 1.9 | 12.1 | 5.3 | 4.3 | 6.2 | 5.7 | 4.9 | 6.6 |
| ≥ 10 min bouts | 3.5 | 3.3 | 3.7 | 3.8 | 3.2 | 4.4 | 3.7 | 2.0 | 5.4 | 3.6 | 2.9 | 4.2 | 4.2 | 3.3 | 5.2 |
| ≥ 15 min bouts | 2.6 | 2.4 | 2.7 | 3.0 | 2.4 | 3.6 | 3.4 | 1.1 | 5.7 | 2.6 | 2.2 | 3.0 | 3.3 | 2.5 | 4.2 |
| ≥ 20 min bouts | 2.0 | 1.9 | 2.1 | 2.2 | 2.0 | 2.6 | 2.2 | 1.3 | 3.1 | 2.2 | 1.7 | 2.6 | 2.5 | 2.0 | 3.0 |
| ≥ 25 min bouts | 1.7 | 1.6 | 1.8 | 1.9 | 1.6 | 2.1 | 1.9 | 1.2 | 2.6 | 1.7 | 1.4 | 2.1 | 2.1 | 1.7 | 2.5 |
| ≥ 30 min bouts | 1.4 | 1.3 | 1.5 | 1.6 | 1.3 | 1.8 | 1.7 | 0.8 | 2.7 | 1.4 | 1.3 | 1.6 | 1.7 | 1.4 | 2.0 |
a
Statistically significant differences compared with non-pregnant women.
b
Statistically significant linear trend among pregnant women.
c
All estimates are adjusted for age; total sedentary time (min/d) additionally adjust for wear time.