Table 2.
Cognitive function [mean (standard deviation)] over 2 h of prolonged sitting with coefficient (Beta) for effect of time.
| Variable | Minutes—Group Means (SD) | Time Effect | ||||||
|---|---|---|---|---|---|---|---|---|
| 0 | 30 | 60 | 90 | 120 | Beta | Conf Interval | p Value | |
| Sustained attention | ||||||||
| no-go success (%) | 59.4 (29.7) | 57.6 (30.1) | 54.8 (30.1) | 56.2 (27.5) | 54.4 (30.7) | −1.14 | −2.68–0.40 | 0.148 |
| reaction time (msec) | 375.9 (73.3) | 365.4 (68.1) | 361.2 (74.1) | 373.1 (66.8) | 365.5 (62.6) | −1.30 | −5.2–2.81 | 0.534 |
| Problem Solving | ||||||||
| unique designs (n) | 42.1 (9.1) | 40.2 (8.8) | 41.3 (8.5) | 43.2 (8.7) | 39.6 (8.7) | −0.22 | −0.69–0.26 | 0.372 |
| errors (n) | 1.8 (3.2) | 1.8 (2.8) | 2.3 (3.6) | 2.2 (2.3) | 2.8 * (3.1) | 0.25 | 0.03–0.47 | 0.026 |
Confidence Interval is 95th, * statistically significant pairwise comparisons from baseline.