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. Author manuscript; available in PMC: 2009 Nov 16.
Published in final edited form as: J Clin Psychiatry. 2008 May;69(5):831–839. doi: 10.4088/jcp.v69n0517

Table 3.

Mean scores on Parent GBI ten item “Mini-Mania” form presented by diagnostic categories.

10 Item Raw Total Estimated Theta
Group N M SD M SD
Bipolar I 178 17.12a 6.86 +0.29 .88
Other Bipolar 116 12.90b 6.66 −0.21 .86
Unipolar Mood 131 6.10c 5.25 −1.19 .75
Disruptive Behaviors 133 7.03c 6.03 −1.04 .86
Residual Diagnoses 19 6.63 c 7.80 −1.18 1.13
No Diagnosis 60 1.28 d 3.82 −2.04 .60
Total 637 10.17 8.10 −.65 1.12

Note: Superscripts indicate homogeneous subsets, according to Games-Howell post hoc tests, ps < .05. Overall F (5, 631) = 95.17, p < .00005. Estimated theta based on scoring of a 10 item graded response model.