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Table 3 Criterion validity for measuring occupational sitting and standing time compared to the activPAL

From: Validity and responsiveness of four measures of occupational sitting and standing

  6 weeks pre intervention (T0) 2 weeks pre intervention (T1) 3 weeks after introduction sit-stand workstation (T2)
Outcome N Spearman r N Spearman r N Spearman r
Occupational sitting timea       
 OSPAQ (min/workday) 31 0.37 38 0.48 38 0.35
 WSQ (min/workday) 31 0.25 36 0.29 36 0.30
 ActiGraph 'sedentary time' (min/workday) 34 0.77 39 0.69 38 0.19
Occupational standing timea       
 OSPAQ (min/workday) 32 0.20 39 0.16 38 0.68
 ActiGraph light-intensity activity (min/workday) 34 0.25 39 0.63 38 0.32
  1. aactivPAL (min/workday) - reference measurement instrument | bold = significant p < 0.05