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Table 5 Intraclass Correlation Coeffient (ICC) and Standard Error of Measurement (SEM) of the stable subgroup of cancer survivors

From: The quality of working life questionnaire for cancer survivors (QWLQ-CS): factorial structure, internal consistency, construct validity and reproducibility

QWLQ-CS Total sample1 Stable subgroup2
Baseline 4 weeks follow-up Baseline 4 weeks follow-up Difference baseline – 4 weeks follow-up SEM ICC* ICC 95% CI
N Mean SD N Mean SD N Mean SD N Mean SD Mean SD    Lower bound Upper bound
Subscale 1 130 80.35 13.51 100 81.65 12.63 87 80.52 12.23 86 81.45 12.95 0.87 9.74 12.57 0.70 0.58 0.80
Subscale 2 130 81.48 10.49 101 80.32 10.73 87 81.89 9.21 87 80.78 10.93 −1.10 9.40 10.11 0.57 0.41 0.69
Subscale 3 129 81.10 10.92 101 81.13 10.52 86 81.25 11.44 87 82.04 10.25 0.97 8.68 10.87 0.68 0.55 0.78
Subscale 4 112 74.82 13.97 88 75.55 14.15 77 75.55 14.26 76 75.95 13.39 0.38 7.55 13.89 0.85 0.77 0.90
Subscale 5 130 56.89 24.32 101 56.09 24.61 87 57.70 24.11 87 58.22 24.24 0.52 11.96 24.17 0.88 0.82 0.92
Total score 130 75.47 9.82 101 75.39 9.75 87 75.94 9.70 87 76.17 9.50 0.23 5.44 9.59 0.84 0.77 0.89
  1. 1Sample of cancer survivors in field study II
  2. 2Stable subgroup of cancer survivors in field study II who indicated no change in their health/work situation within the last four weeks
  3. *Confirmed hypotheses in bold