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Table 3 Comparative results of prevalence of musculoskeletal disorders in different areas of body in three groups before and after intervention

From: Ergonomic risk factors and musculoskeletal disorders in bank staff: an interventional follow-up study in Iran

Variable

Control group

EI group

EPI group

 

Before

After

P value*

Before

After

P value*

Before

After

P value*

Neck

49 (67.1)

58 (79.5)

0.012

73 (65.2)

50 (44.6)

< 0.001

63 (68.5)

40 (34.4)

< 0.001

Shoulders

44 (60.3)

52 (71.2)

0.021

67 (59.8)

52 (46.4)

0.04

61 (66.3)

42 (45.6)

< 0.021

Elbows

15 (20.5)

25 (34.2)

0.002

21 (18.8)

18 (16.1)

0.375

14 (15.2)

11 (12)

0.375

Wrist

38 (52.1)

43 (58.9)

0.18

47 (43)

42 (37.5)

0.12

39 (42.4)

22 (23.9)

< 0.001

back

47 (64.4)

56 (76.7)

0.012

68 (60.7)

55 (49.1)

0.061

54 (58.7)

44 (47.8)

0.038

Lower back

46 (63)

54 (74)

0.039

69 (61.6)

52 (46.4)

0.042

56 (60.9)

26 (28.2)

< 0.001

thighs

9 (12.3)

19 (26)

0.002

31 (27.7)

20 (17.9)

0.054

18 (19.6)

18 (19.2)

P > 0.05

Knees

40 (54.8)

37 (50.7)

0.549

52 (46.4)

45 (40.1)

0.26

47 (51.1)

40 (43.4)

0.23

Legs and ankles

16 (21.9)

22 (30.1)

0.031

21 (18.8)

22 (19.6)

P > 0.05

23 (25)

18 (19.5)

0.097

  1. *McNemar’s test
  2. *Significant values are shown in italics