Table 2.
Objectively measured physical activity in participants with and without lower limb osteoarthritisa-c
| All participants (n = 247) | Participants with LLOA (n = 41) | Participants without LLOA (n = 206) | p-value d | |
|---|---|---|---|---|
| Accelerometry | ||||
| Number of valid days (mean (SD)) | 6.5 (1.3) | 6.8 (1.2) | 6.5 (1.3) | 0.18 |
| Wear time in minutes/day (mean (SD)) | 852.7 (65.8) | 853.8 (50.8) | 852.4 (68.5) | 0.91 |
| Physical activity | ||||
| Total PA in minutes/day (mean (SD)) | 274.5 (81.4) | 268.3 (83.3) | 275.8 (81.2) | 0.59 |
| Light PA in minutes/day (mean (SD)) | 258.6 (74.5) | 259.0 (77.6) | 258.5 (74.1) | 0.97 |
| Low-light PA in minutes/day (mean (SD)) | 208.4 (51.9) | 212.8 (53.9) | 207.6 (51.6) | 0.56 |
| High-light PA in minutes/day (mean (SD)) | 50.1 (33.3) | 46.3 (34.6) | 50.9 (33.1) | 0.41 |
| Moderate to vigorous PA in minutes/day (median (IQR)) | 8.6 (3.0–22.1) | 4.7 (1.4–12.7) | 9.9 (3.3–23.5) | 0.09 |
a Abbreviations: SD Standard deviation, IQR Interquartile range, LLOA: Lower limb osteoarthritis, n Number, PA Physical activity
b Participants with at least 4 valid days (≥10 h of wear time per day) of accelerometry data were included in the data analyses
c Light PA: 100–2019 counts/minute; Low-light PA: 100–759 counts/minute; High-light PA: 760–2019 counts/minute; Moderate to vigorous PA: ≥2020 counts/minute
d p-value of observed differences between groups with and without LLOA