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Table 2 Mean (± SD) of neck pain severity scores and adjusted percent change from baseline at each time point for the All Workers and Neck Cases

From: A cluster-randomized trial of workplace ergonomics and neck-specific exercise versus ergonomics and health promotion for office workers to manage neck pain – a secondary outcome analysis

All Workers n= 367
Time point EHP (N= 200) EET (N = 167)
Baseline 1.61 ± 2.21 1.47 ± 1.96
12 weeks 1.47 ± 2.15
8.7% reduction from baseline
1.02 ± 1.62
30.6% reduction from baseline
12 months 1.56 ± 2.16
3.1% reduction from baseline
1.35 ± 2.15
8.2% reduction from baseline
Neck Cases (n = 96)
  EHP (N = 55) EET (N = 41)
Baseline 4.78 ± 1.58 4.41 ± 1.53
12 weeks 2.96 ± 2.59
38.1% reduction from baseline
2.02 ± 2.01
54.2% reduction from baseline
12 months 2.76 ± 2.40
42.3% reduction from baseline
2.78 ± 2.57
37.0% reduction from baseline