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. 2007 Feb 22;5:11. doi: 10.1186/1477-7525-5-11

Table 3.

Test-Retest Reliability (ICCs) and Internal Consistency Reliability (Cronbach's alpha)

Scales ICCs (n = 73)* ICCs (n = 69) Cronbach's alpha
Symptoms 0.80 0.83 0.71
Fatigue/Sleep 0.87 0.88 0.89
Bother-Physical Health 0.52 0.56 0.79
Activity 0.66 0.66 0.89
Psychological 0.72 0.75 0.92
Fear 0.83 0.87 0.87
Social Activity 0.70 0.74 0.72
Work 0.87 0.87 0.86
Reproductive Health 0.90 0.89 0.66
Overall QoL 0.77 0.81 0.89

*Entire sample

Sub-sample of respondents who completed the second questionnaire within three weeks