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Table 5 Reliability of SF-36 form self-reported data

From: A feasibility study to assess the validity of administrative data sources and self-reported information of breast cancer survivors

SF-36 Health Form Subscales Breast cancer sample population Israeli Adult Population T-test Sig.
Standardized Alpha Cronbach Number of items Correcteda item correlation with own subscale Mean score SD Mean score SD
Range Sig.
Bodily pain 0.9 2 0.9 <.001 63.7 23.9 71.6 29.8 .01
General health 0.9 5 0.4–0.8 <.001 49.0 31.0 62.9 23.8 <.001
Mental health 0.9 5 0.5–0.7 <.001 54.5 28.7 67.1 21.7 <.001
Physical functioning 0.9 10 0.1–0.8 <.001–0.376 59.8 40.0 77.3 26.6 <.001
Role emotional 1.0 3 1.0 <.001 50.7 50.1 81.1 35.7 <.001
Role physical 1.0 4 0.8–1.0 <.001 49.3 50.1 71.3 40.8 <.001
Social functioning 0.9 2 0.8 <.001 59.5 27.2 81.8 26.8 <.001
Vitality 0.9 4 0.7–0.9 <.001 39.3 25.8 56.9 22.8 <.001
  1. Abbreviations: SF-36, 36-item short form, Sig significance, SD standard deviation
  2. a Correction refers to recoding per a scoring key [12]