Table 3 Average age-specific incidence ^a of musculoskeletal disorders (MSDs) among nurses and reference group, 2004–2010

20–24

85.61

72.20

2.29

2.13–2.46

< 0.001

25–29

73.60

65.78

1.45

1.36–1.54

< 0.001

30–34

61.26

52.61

1.42

1.35–0.51

< 0.001

35–39

77.83

61.54

2.19

2.06–2.33

< 0.001

40–44

67.99

61.00

1.36

1.28–1.44

< 0.001

45–49

75.24

66.56

1.53

1.44–1.62

< 0.001

50–54

66.45

68.36

0.92

0.86–0.97

< 0.01

55–59

56.12

36.43

2.23

2.11–2.36

< 0.001

≥ 60

56.00

46.67

1.45

1.38–1.54

< 0.001