Table 1 Characteristics of the study population
From: Symptomatic knee disorders in floor layers and graphic designers. A cross-sectional study
Floor layers | Graphic designers | |||
|---|---|---|---|---|
(n=134) | (n=120) | |||
Age, years (mean, SD) | 52.6 | 6.9 | 57.9 | 5.9 |
Duration of employment, years (mean, SD) | 29.2 | 10.2 | 35.6 | 8.6 |
BMI, kg/m2 (mean, SD) | 26.4 | 3.8 | 26.0 | 3.9 |
Knee complaints during past 12 months (yes %) | 70 | 52.2 | 46 | 38.3 |
Knee-straining sports* (yes: n, %) | 71 | 53.0 | 80 | 66.7 |
Knee osteoarthritis | ||||
Tibio-femoral, TF OA (grade 1–3), (n %) | 22 | 16.4 | 15 | 12.5 |
Patellofemoral, PF OA (grade 1–3), (n %) | 12 | 9.0 | 21 | 17.5 |
KOOS: | ||||
Pain (mean, SD) | 79.98 | 19.9 | 89.40 | 14.3 |
Symptom (mean, SD) | 81.28 | 17.2 | 89.14 | 12.3 |
ADL (mean, SD) | 82.22 | 18.9 | 88.91 | 16.0 |
Sport_re (mean, SD) | 69.51 | 28.3 | 78.15 | 25.9 |
QOL (mean, SD) | 67.82 | 26.6 | 77.94 | 23.5 |
Meniscal tears | (n=85)** | (n=40)** | ||
Medial (n, %) | 56 | 65.9 | 19 | 47.5 |
Lateral (n, %) | 12 | 14.1 | 8 | 20.0 |