Table 2.
Within and between group comparisons of reported physical activity over time
| Study time point | Within group differences | |||||
|---|---|---|---|---|---|---|
|
| ||||||
| Baseline | 1-year | 2-year | Baseline to 1-year | 1-year to 2-year | Baseline to 2-year | |
|
| ||||||
| P-value | P-value | P-value | ||||
| PA Levels | ||||||
| Median (IQRa) | ||||||
| Attention control | 0 (12) | 30 (111) | 30 (150) | < 0.01 | 0.07 | < 0.01 |
| Tailored intervention | 0 (45) | 90 (180) | 60 (180) | < 0.01 | 0.29 | < 0.01 |
| Between group differences | ||||||
| P-value | 0.24 | < 0.01 | 0.08 | - | - | - |
| Met PA recommendations | ||||||
| n (%) | ||||||
| Attention control | 0 (0) | 43 (19) | 60 (26) | - | 0.04 | - |
| Tailored intervention | 0 (0) | 52 (30) | 53 (31) | - | 0.99 | - |
| Between group differences | ||||||
| P-value | - | 0.01 | 0.29 | - | - | - |
a
IQR = interquartile range: the distance between the 25th percentile and the 75th percentile (range of the middle 50% of the data)