Table 2.
Comparisons of time course of change in physical activity between normal and game interventions
| 1 | 2 | 3 | 4 | 5 | 6 | |
|---|---|---|---|---|---|---|
| Steps/day | ||||||
| Normal | 9,005 ± 501 | 8,864 ± 614 | 8,839 ± 516 | 8,452 ± 511 | 9,046 ± 573 | 8,218 ± 627 |
| Game | 10,039 ± 699 | 10,471 ± 540 | 10,387 ± 550 | 11,039 ± 597 | 10,562 ± 530 | 10,339 ± 616 |
| Three-way ANOVA | ||||||
| Group | Intervention | Time | Interaction (G × I) | Interaction (G × T) | Interaction (I × T) | Interaction (G × I × T) |
| P = 0.063 | P = 0.028 | P = 0.714 | P = 0.889 | P = 0.9012 | P = 0.308 | P = 0.0386 |
| PA (METs hour)/day | ||||||
| Normal | 2.6 ± 0.3 | 2.5 ± 0.2 | 2.5 ± 0.2 | 2.3 ± 0.2 | 2.6 ± 0.3 | 2.1 ± 0.2 |
| Game | 3.0 ± 0.3 | 3.1 ± 0.2 | 2.8 ± 0.2 | 3.3 ± 0.3 | 3.4 ± 0.2 | 3.0 ± 0.2 |
| Three-way ANOVA | ||||||
| Group | Intervention | Time | Interaction (G × I) | Interaction (G × T) | Interaction (I × T) | Interaction (G × I × T) |
| P = 0.832 | P = 0.033 | P = 0.196 | P = 0.645 | P = 0.593 | P = 0.252 | P = 0.196 |
ANOVA, analysis of variance; G, group; I, intervention; METs, metabolic equivalents; T, time.