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Table 4 Summary of average scores, internal consistency and test-retest reliability for OFFESS scales

From: Development and reliability testing of a self-report instrument to measure the office layout as a correlate of occupational sitting

  Phase one sample (n = 307) Phase two sample (n = 37)
  Preliminary scale Refined scale Refined scale
  Items α M (SD) Items α M (SD) α M (SD) ICC
Local Connectivity 16 0.67 2.35 (0.34) 5 0.70 2.29 (0.58) 0.61 2.30 (0.27) 0.84
Overall Connectivity 11 0.62 2.35 (0.36) 6 0.86 2.49 (0.58) 0.71 2.40 (0.24) 0.87
Proximity of Co-Workers 5 0.77 2.65 (0.62) 3 0.85 2.77 (0.77) 0.46 2.71 (0.48) 0.70
Visibility of Co-Workers 10 0.73 2.57 (0.53) 4 0.78 2.85 (0.77) 0.67 2.94 (0.41) 0.86