Table 2.
Principal component score summaries
| Principal Component | Mean (SD) | Range | Cumulative Variance | Descriptor | |
|---|---|---|---|---|---|
|
| |||||
| 7-Day Step Count Trajectories (Baseline), n=87 | 1 | −219.09 (8625.57) | −16753.44, 31413.47 | 73% | Overall sustained high |
| 2 | −158.64 (4311.87) | −19663.84, 12873.79 | 95% | Continuous increase | |
| 3 | 8.24 (1643.95) | −8298.1, 4484.50 | 99% | Weekend warrior | |
|
| |||||
| 30-Day Step Count Trajectories n=85 | 1 | −520.89 (18630.90) | −32023.90, 86010.05 | 91% | Overall sustained high |
| 2 | 185.67 (4313.17) | −17293.40, 17855.05 | 97% | Continuous decline | |
| 3 | −20.16 (1993.48) | −5078.53, 8324.10 | 98% | Disrupted increase | |
| 4 | −55.14 (1940.99) | −6218.58, 7823.74 | 100% | Overly ambitious increase | |
|
| |||||
| 60-Day Step Count Trajectories n=84 | 1 | −1174.12 (26076.93) | −38929.35, 136513.80 | 88% | Overall sustained high |
| 2 | 32.57 (7769.12) | −24738.22, 25558.66 | 97% | Continuous decline | |
| 3 | 121.64 (3767.69) | −14002.35, 14441.75 | 99% | Interrupted decline | |
Note. Descriptors characterize high scores for each component. An individual with a low (negative) score on the component would have the opposite pattern. For example, a negative score on Principal Component 1 would indicate an overall sustained low step count for the individual.