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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