Table 5 Frequency of musculoskeletal disorders in different regions by the level of risk posture using the chi-square test
The musculoskeletal Region | level of risk posture | df | Chi- square | P-value | |||
|---|---|---|---|---|---|---|---|
Low Number (%) | Moderate Number (%) | High Number (%) | Very high Number (%) | ||||
Neck | 18(27.3) | 9(13.6) | 31(47) | 8(12.1) | 1 | 13.603 | 0.034 * |
Right Shoulder | 18(23.7) | 14(18.4) | 35(46.1) | 9(11.8) | 1 | 10.259 | 0.114 |
Left Shoulder | 4(18.4) | 5(22.7) | 11(50) | 2(9.1) | 1 | 3.263 | 0.775 |
Upper back | 12(23.1) | 8(15.4) | 24(46.3) | 8(15.4) | 1 | 5.028 | 0.540 |
Right Upper Arm | 15(23.1) | 12(18.5) | 30(46.2) | 8(12.3) | 1 | 6.985 | 0.322 |
Left Upper Arm | 5(21.7) | 3(13) | 11(47.8) | 4(17.4) | 1 | 1.213 | 0.976 |
Lower back | 14(24.6) | 9(15.8) | 25(43.9) | 9(15.8) | 1 | 9.522 | 0.146 |
Right Forearm | 11(24.4) | 7 (15.6) | 22(48.9) | 5 (11.1) | 1 | 6.514 | 0.368 |
Left Forearm | 5(29.4) | 3(17.6) | 6 (35.3) | 3(17.6) | 1 | 9.067 | 0.170 |
Right Wrist | 15(23.8) | 13 (20.6) | 27 (42.9) | 8 (12.7) | 1 | 5.337 | 0.501 |
Left Wrist | 2 (18.2) | 2 (18.2) | 4 (36.4) | 3 (27.3) | 1 | 6.799 | 0.340 |
Hips | 11(26.8) | 5 (12.2) | 21 (51.2) | 4(9.8) | 1 | 5.615 | 0.468 |
Right Thigh | 9 (27.3) | 4 (12.1) | 16 (48.5) | 4 (12.1) | 1 | 1.120 | 0.981 |
Left Thigh | 8 (34.8) | 3 (13) | 11(47.8) | 1 (4.3) | 1 | 11.112 | 0.085 |
Right Knee | 10 (21.7) | 7 (15.2) | 24 (25.2) | 5 (10.9) | 1 | 9. 805 | 0.133 |
Left Knee | 7 (21.9) | 6 (18.8) | 17(53.1) | 2 (6.3) | 1 | 12.310 | 0.030 * |
Right Lower leg | 10(30.3) | 5 (15.2) | 14(42.4) | 4(12.1) | 1 | 1.952 | 0.924 |
Left Lower leg | 7 (33.3) | 4 (19%) | 8(38.1) | 2(9.5) | 1 | 11.906 | 0.042 * |