Factor

Variable

Neck

%

Shoulder

%

Upper back

%

Elbow

%

Lower back

%

Thighs/hips

%

Knees %

Ankle/feet

%

Age group (years)

20 - 29

34.6

30.2

30.2

20.6

37.0

31.7

31.2

32.5

30 - 39

41.3

39.6

42.8

34.9

41.5

42.2

38.8

38.3

40 - 49

17.8

22.0

18.5

31.7

14.8

16.7

10.6

9.7

50 - 59

6.3

8.2

8.6

12.7

6.7

9.4

10.6

9.7

p-value

0.414

0.002

0.019

<0.001

0.926

0.085

0.006

0.047

Sex

Male

26.2

26.4

26.6

27.0

28.2

25.6

23.5

22.7

Female

78.8

73.4

73.0

71.8

74.4

76.5

76.5

77.3

p-value

0.091

0.274

0.233

0.654

0.445

0.168

0.004

0.033

Place of work (Hospital)

LHD

26.6

26.9

24.3

23.8

30.6

27.2

24.7

28.6

GHD

23.8

28.0

26.6

36.5

25.8

27.8

28.2

27.9

BDH

16.4

15.4

18.0

7.9

16.4

13.9

14.1

15.6

NBDH

9.4

8.2

7.7

11.1

7.3

6.7

7.1

5.2

NDH

23.8

21.4

23.4

20.6

20.0

24.4

25.9

22.7

p-value

0.478

0.440

0.352

0.064

0.007

0.069

0.059

0.106

Longevity

<1 year

25.5

22.5

21.2

12.7

25.5

22.8

19.4

21.4

1 - 3 years

36.7

32.4

34.2

27.0

34.2

38.3

36.5

33.8

4 - 6 years

13.6

15.4

16.2

15.9

15.5

12.2

14.1

15.6

7 - 9 years

10.1

13.7

12.2

20.6

12.7

11.7

16.5

14.9

>10 years

14.0

15.9

16.2

23.8

12.1

15.0

13.5

14.

p-value

0.163

0.252

0.059

0.001

0.981

0.169

0.060

0.406