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Table 2 The one-year and point prevalence for musculoskeletal disorders (MSD) in ten body parts and for any body part in Cohort 2002 and Cohort 2012 presented in percentage (%) and 95% confidence interval (95% CI). P-value indicates the presence of any statistically significant difference between Cohort 2002 and Cohort 2012 regarding prevalence of MSD. Significant value p < 0.05

From: Remarkable increase of musculoskeletal disorders among soldiers preparing for international missions – comparison between 2002 and 2012

  Cohort 2002 Cohort 2012  
n Yes % (95% CI) n Yes % (95% CI) p-value
One-year prevalence
 Neck 603 4.3 (2.9–6.3) 355 8.5 (6.0–11.8) 0.008
 Upper back 603 3.8 (2.5–5.7) 355 10.4 (7.6–14.1) < 0.001
 Low back 603 6.0 (4.3–8.2) 355 18.9 (15.1–23.3) < 0.001
 Shoulders 603 3.6 (2.4–5.5) 354 11.0 (8.1–14.7) < 0.001
 Elbow 602 1.7 (0.9–3.1) 354 4.8 (3.0–7.6) 0.005
 Hand 603 2.5 (1.5–4.1) 354 7.3 (5.0–10.6) < 0.001
 Hip 603 0.7 (0.2–1.8) 353 4.5 (2.8–7.3) < 0.001
 Knee 603 8.1 (6.2–10.6) 355 24.2 (20.0–29.0) < 0.001
 Lower leg 603 2.0 (1.1–3.5) 355 7.6 (5.3–10.9) < 0.001
 Foot 602 4.0 (2.7–5.9) 355 14.9 (11.6–19.0) < 0.001
 Any part 603 27.9 (24.4–31.6) 355 67.9 (62.8–72.6) < 0.001
Point prevalence
 Neck 605 0.8 (0.3–2.0) 355 3.7 (2.1–6.2) 0.002
 Upper back 604 0.2 (0.0–1.2) 355 5.6 (3.7–8.6) < 0.001
 Low back 605 0.8 (0.3–2.0) 354 5.9 (3.9–8.9) < 0.001
 Shoulders 604 0.3 (0.1–1.3) 354 6.2 (4.1–9.3) < 0.001
 Elbow 604 0.7 (0.2–1.8) 354 2.3 (1.1–4.5) 0.039
 Hand 605 1.2 (0.6–2.4) 354 4.0 (2.4–6.6) 0.004
 Hip 605 0.2 (0.0–1.2) 353 2.0 (0.9–4.1) 0.005
 Knee 604 1.8 (1.0–3.3) 354 10.7 (7.9–14.4) < 0.001
 Lower leg 605 0.3 (0.1–1.3) 355 3.7 (2.1–6.2) < 0.001
 Foot 604 1.2 (0.6–2.4) 355 6.2 (4.1–9.2) < 0.001
 Any part 605 7.1 (5.3–9.5) 355 35.2 (30.4–40.3) < 0.001