Table 2. Changes in Primary (Inclinometer) Outcomes at Baseline, Mid-Point, and Post-Test (N=23).
| Baseline Mean (SD) | Mid-point Mean(SD) a | p-value (baseline-mid) | Post-test Mean (SD) | p-value (mid-post) | p-value (pre-post) | Effect size (d; pre-post)b | |
|---|---|---|---|---|---|---|---|
| Sitting time (hours/day) | 9.22 (1.70) | 8.79 (1.76) | .05 | 8.77 (1.86) | .88 | .04 | .25 |
| Sit to stand transitions (per day) | 37.06 (9.81) | 36.48 (7.49) | .98 | 39.23 (10.34) | .19 | .13 | .22 |
| Standing time (hours/day) | 3.28 (1.14) | 3.78 (1.47) (1.50) | .01 | 3.69 (1.27) | .60 | .04 | .34 |
| Stepping (hours/day) | 1.18 (.50) | 1.26 (.44) | .26 | 1.29 (.68) | .61 | .13 | .16 |
| Steps per day | 5400.6 (2491.47) | 5834.42 (3258.80) | .17 | 5974.02 (3456.20) | .67 | .13 | .16 |
| Sitting (% of day while worn) | .67 (.10) | .64 (.13) | .01 | .64 (.12) | .85 | .02 | .34 |
| Standing (% of day while worn) | .24 (.08) | .27 (.10) | .01 | .27 (.09) | .60 | .03 | .33 |
| Stepping (% of day while worn) | .09 (.04) | .09 (.05) | .52 | .10 (.05) | .34 | .11 | .15 |
a
N = 22
b
Effect sizes of .20 are considered small, .50 medium, and .80 large