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Table 1 Characteristics (%/mean) of the whole study population and according to type of work

From: Leg-length discrepancy is associated with low back pain among those who must stand while working

 

All

Customer service workers

Meat cutters

 

All

Female

Male

All

Female

Male

All

Female

Male

Total number

148

61

87

34

29

5

114

32

82

Age (years)

47

49

46

48

49

40

47

48

46

Height (m)

1.73

1.65

1.78

1.68

1.66

1.78

1.74

1.64

1.78

LLD (mm)

5.4

4.5

6.0

5.4

5.2

6.6

5.4

3.8

6.0

LLD > 5 mm

48

37

55

44

45

40

49

29

56

LLD > 10 mm

16

11

18

15

10

40

16

13

17

Relative LLD a

6.4

5.7

6.8

6.7

6.5

7.7

6.3

4.9

6.8

BMI (kg/m 2 )

27.1

27.0

27.1

27.0

27.5

24.1

27.1

26.5

27.3

Smoking b

23

23

22

18

21

0

24

26

24

Depressive feelings

3.1

2.6

3.4

2.5

2.4

3.2

3.3

2.8

3.4

Work ability

8.1

8.1

8.0

8.5

8.5

8.6

7.9

7.7

8.0

Days with LBP c

53

56

51

28

27

32

60

83

52

LBP intensity d

3.1

3.1

3.1

2.9

3.1

1.6

3.2

3.2

3.1

  1. LLD = leg length discrepancy, LBP = low back pain; aLLD as a percentage of mean leg length; bThe participants were categorized as current smokers if they smoked at least 2 days a week; cSelf-reported number of days with LBP during the past year; dPain intensity during the past week assessed using a 10-cm Visual Analogue Scale.
  2. Customer service workers sit mostly in their work, while meat cutters stand.
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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