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Table 3 Self-reported knee complaints among floor layers (n = 134) compared to graphic designers (n = 120)

From: Clinical knee findings in floor layers with focus on meniscal status

  Floor layers Graphic designers   
Questionnaire response n % n % OR adj. 95% CI
Knee pain 89 67.4 50 42.0 2.7 1.5–4.6
Knee pain at night 49 37.1 21 17.6 3.5 1.8–6.6
Knee pain during stair walking 86 65.2 52 43.7 2.2 1.3–3.9
Morning stiffness 78 58.2 48 40.0 1.9 1.1–3.2
Catch or hang up of the knee 42 31.3 16 13.3 2.9 1.4–5.7
Swelling of the knee 65 48.5 25 20.8 4.7 2.5–8.6
Difficult during squatting§ 82 61.2 62 53.4 1.6 0.9–2.7
Difficult during kneeling§ 91 67.9 63 54.3 1.8 1.0–3.1
  1. Adjusted odds ratio (OR) with 95% confidence intervals (CI).
  2. Adjusted for body mass index, age and knee straining sports
  3. One graphic designer and two floor layers had not answered questions about knee pain
  4. § Four graphic designers had not answered questions about difficult during squatting and kneeling