Table 4.
Adjusted means and 95% CI for physical activity across the 18-month study in individuals with DS and those with non-DS related IDD.
| non-DS IDD | DS | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Variable | Mean | 95% CI | Mean | 95% CI | Group | Time | Group*Time | ||
| Sedentary (% of wear time) | 0.23 | 0.45 | 0.09 | ||||||
| Baseline | 63.6 | 57.7 | 69.6 | 64.0 | 58.1 | 69.9 | |||
| 6 months | 62.6 | 56.5 | 68.6 | 67.5 | 61.6 | 73.4 | |||
| 12 months | 61.5 | 55.4 | 67.6 | 62.8 | 56.6 | 69.0 | |||
| 18 months | 58.6 | 52.1 | 65.0 | 68.1 | 61.7 | 74.5 | |||
| LPA (% of wear time) | 0.38 | 0.55 | 0.12 | ||||||
| Baseline | 34.3 | 28.7 | 40.0 | 34.6 | 28.9 | 40.2 | |||
| 6 months | 35.8 | 30.1 | 41.6 | 31.4 | 25.8 | 37.1 | |||
| 12 months | 36.1 | 30.3 | 41.9 | 36.4 | 30.5 | 42.3 | |||
| 18 months | 38.4 | 32.3 | 44.6 | 31.3 | 25.2 | 37.4 | |||
| MVPA (% of wear time) | <0.001 | 0.44 | 0.04 | ||||||
| Baseline | 1.5 | 0.9 | 2.4 | 0.8 | 0.5 | 1.3 | |||
| 6 months | 1.7 | 1.0 | 2.9 | 0.5 | 0.3 | 0.9 | |||
| 12 months | 1.2 | 0.7 | 1.9 | 0.5 | 0.3 | 0.9 | |||
| 18 months | 1.7 | 1.0 | 3.0 | 0.4 | 0.2 | 0.7 | |||
Note: IDD = intellectual disabilities, DS = Down syndrome, CI = confidence interval, LPA = light physical activity, MVPA = moderate to vigorous physical activity