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. 2022 Apr 6;64(1):e12330. doi: 10.1002/1348-9585.12330

TABLE 5.

Intervention effects on MSD reduction and WAI improvement

OR 95% CI P value
Neck
3 months 1.16 0.51, 2.78 0.591
6 months 2.14 0.95, 3.68 0.068
9 months 1.77 0.83, 3.26 0.131
12 months 2.93 1.25, 4.03 0.015
Shoulders/arms
3 months 1.16 0.51, 2.78 0.591
6 months 1.77 0.83, 3.26 0.131
9 months 2.23 0.97, 4.69 0.062
12 months 2.11 0.92, 4.26 0.070
Wrists/hands
3 months 1.05 0.62, 3.10 0.501
6 months 0.96 0.58, 2.91 0.189
9 months 1.72 0.98, 3.57 0.052
12 months 2.33 1.08, 4.21 0.008
Low back
3 months 1.33 0.79, 3.18 0.233
6 months 1.78 0.85, 3.62 0.103
9 months 1.65 0.78, 3.32 0.151
12 months 2.04 0.95, 4.29 0.061
B 95% CI P
WAI improvement
3 months 0.16 −0.09, 1.15 0.277
6 months −0.09 −0.12, 1.09 0.389
9 months 0.53 −0.02, 1.56 0.055
12 months 0.35 −0.05, 1.31 0.089

Abbreviations: CI, confidence interval; MSD, musculoskeletal disorder; OR, odds ratio; WAI, work ability index.