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Table 3 Item location and fit for FACT-G

From: A Rasch and factor analysis of the Functional Assessment of Cancer Therapy-General (FACT-G)

    Infit Infit Outfit Outfit
Items Person Measure S.E. MNSQ ZSTD MNSQ ZSTD
PWB1 -0.31 0.06 2.00 9.90 1.95 9.90
PWB2 0.13 0.06 0.92 -1.00 0.95 -0.50
PWB3 -0.07 0.06 1.27 3.50 1.17 2.00
PWB4 0.06 0.06 1.27 3.50 1.29 3.20
PWB5 -0.12 0.06 1.22 3.10 1.19 2.60
PWB6 -0.08 0.06 0.58 -6.90 0.55 -6.90
PWB7 0.09 0.05 0.75 -3.50 0.69 -3.30
SWB1 0.66 0.08 1.19 2.20 1.14 0.77
SWB2 -0.28 0.09 0.81 -1.80 0.66 -2.60
SWB3 0.20 0.08 0.91 -1.00 0.87 -1.50
SWB4 -0.30 0.08 1.13 2.20 1.20 1.90
SWB5 -0.28 0.09 0.85 -1.60 0.83 -1.40
SWB6 -0.62 0.09 1.37 2.30 1.63 2.30
SWB7 2.30 0.07 1.57 5.00 2.63 7.40
EWB1 -0.07 0.07 1.00 0.00 0.95 -0.70
EWB2 -0.78 0.06 2.10 9.90 2.36 9.90
EWB3 0.23 0.06 1.14 1.40 1.41 2.20
EWB4 -0.10 0.07 0.81 -2.80 0.80 -3.00
EWB5 -0.05 0.06 1.06 0.80 0.97 -0.40
EWB6 -0.34 0.06 1.49 6.40 1.42 5.30
FWB1 0.60 0.06 1.30 4.00 1.37 4.40
FWB2 0.45 0.06 1.10 1.50 1.05 0.60
FWB3 -1.04 0.07 0.77 -3.70 0.76 -3.70
FWB4 -1.03 0.06 1.38 4.70 1.59 5.40
FWB5 -0.20 0.06 1.58 7.50 1.74 8.40
FWB6 0.00 0.06 0.87 -1.90 0.87 -1.80
FWB7 -0.01 0.06 0.92 -1.10 0.89 -1.40
  1. *Infit/Outfit > 1.3 is highlighted in bold; Infit/Outfit < 0.70 is highlighted in italics.
  2. ** Table shows final item locations for scales when misfitting items have been removed, as well as initial fit statistics & parameters for those misfitting items.