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Table 4 Descriptive statistics (mean ± SD) of the satisfaction questionnaire (five point scale) of the VDU and P group

From: The impact of different lenses on visual and musculoskeletal complaints in VDU workers with work-related neck complaints: a randomized controlled trial

  VDU P p-value
Overall satisfaction 4.22 ± 0.81 3.46 ± 1.45 0.072
Far vision 1.83 ± 1.04 4.54 ± 0.66 <0.001
Intermediate vision 4.67 ± 0.59 3.38 ± 1.26 0.001
Close vision 4.28 ± 0.75 3.69 ± 1.25 0.115