Table 3.
Outcome measure - BPD scale score | Time point | Rest break schedule 1a | Rest break schedule 2b | |||
---|---|---|---|---|---|---|
Mean±SD | Effect size | Mean±SD | Effect Size | |||
*p<0.001
†p<0.05 ‡Not significant a30-min work/5-min rest b60-min work/10-min rest | ||||||
Lower Back | Baseline | 9.1±0.7 | 1.74 | 9.0±0.7 | 0.29 | |
End of study | 7.7±0.9* | 8.8±0.7† | ||||
Neck/ Shoulder | Baseline | 7.6±0.5 | 0.82 | 7.5±0.6 | 0.17 | |
End of study | 7.1±0.7* | 7.4±0.6‡ | ||||
Wrist/ Forearm | Baseline | 7.0±0.8 | 0.53 | 6.9±0.8 | 0.13 | |
End of study | 6.6±0.7* | 6.8±0.7‡ |