Table 1.
Baseline participant characteristics for the study cohort (n = 179); values are mean (SD) unless otherwise stated.
| Characteristics | |
|---|---|
| Age (years) | 29.3 (5.8) |
| Number (%) of females | 100 (55.9) |
| Height (cm) | 173 (9.5) |
| Weight (kg) | 74.7 (18.6) |
| Body Mass Index (kg/m2) | 24.8 (5.1) |
| Physical activity* (kcal/kg) | 41 (7.3) |
| Bilateral knee pain: Number (%) | 102 (57) |
| Duration of knee pain (months): Median (IQR) | 28 (12-84) |
| Usual pain^ | 36.3 (16.6) |
| Worst pain^ | 60.5 (15.9) |
| Kujala Patellofemoral Score† | 71.5 (9.8) |
| Functional index questionnaire‡ | 9.8 (2.1) |
* Physical activity over the previous week questionnaire, total energy expended per day.
^ Pain measured on a 100 mm visual analogue scale; 0 mm = no pain, 100 mm = worst pain imaginable.
† 0-100 points; 100 = no disability.
‡ 0-16 points; 16 = no disability.