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. Author manuscript; available in PMC: 2014 Aug 1.
Published in final edited form as: Gynecol Oncol. 2013 May 15;130(2):323–328. doi: 10.1016/j.ygyno.2013.05.009

Table 3.

Internal consistency reliability and test-retest reliability of the MDASI-OC at two timepoints

Cronbach coefficient α Intraclass correlationa
Subscale Number of items Time point 1 (n = 128) Time point 2 (n = 98)
Core 13 0.85 0.82 0.96
Ovarian module 8 0.80 0.77 0.88
Interference 6 0.89 0.90 0.98
Core + ovarian module 21 0.90 0.87 0.94

Abbreviation: MDASI-OC, ovarian cancer module of the M. D. Anderson Symptom Inventory.

a

Administered within 24 hours in a subset of patients (n = 15)