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

603

4.3 (2.9–6.3)

355

8.5 (6.0–11.8)

0.008

603

3.8 (2.5–5.7)

355

10.4 (7.6–14.1)

< 0.001

603

6.0 (4.3–8.2)

355

18.9 (15.1–23.3)

< 0.001

603

3.6 (2.4–5.5)

354

11.0 (8.1–14.7)

< 0.001

602

1.7 (0.9–3.1)

354

4.8 (3.0–7.6)

0.005

603

2.5 (1.5–4.1)

354

7.3 (5.0–10.6)

< 0.001

603

0.7 (0.2–1.8)

353

4.5 (2.8–7.3)

< 0.001

603

8.1 (6.2–10.6)

355

24.2 (20.0–29.0)

< 0.001

603

2.0 (1.1–3.5)

355

7.6 (5.3–10.9)

< 0.001

602

4.0 (2.7–5.9)

355

14.9 (11.6–19.0)

< 0.001

603

27.9 (24.4–31.6)

355

67.9 (62.8–72.6)

< 0.001

605

0.8 (0.3–2.0)

355

3.7 (2.1–6.2)

0.002

604

0.2 (0.0–1.2)

355

5.6 (3.7–8.6)

< 0.001

605

0.8 (0.3–2.0)

354

5.9 (3.9–8.9)

< 0.001

604

0.3 (0.1–1.3)

354

6.2 (4.1–9.3)

< 0.001

604

0.7 (0.2–1.8)

354

2.3 (1.1–4.5)

0.039

605

1.2 (0.6–2.4)

354

4.0 (2.4–6.6)

0.004

605

0.2 (0.0–1.2)

353

2.0 (0.9–4.1)

0.005

604

1.8 (1.0–3.3)

354

10.7 (7.9–14.4)

< 0.001

605

0.3 (0.1–1.3)

355

3.7 (2.1–6.2)

< 0.001

604

1.2 (0.6–2.4)

355

6.2 (4.1–9.2)

< 0.001

605

7.1 (5.3–9.5)

355

35.2 (30.4–40.3)

< 0.001