Skip to main content
. Author manuscript; available in PMC: 2009 Apr 15.
Published in final edited form as: Neuroimage. 2008 Jan 5;40(3):1181–1194. doi: 10.1016/j.neuroimage.2007.12.040

Table 5.

The Impact of Including Average Head Displacement in the ANCOVA Model for Median Percent Signal Change (BH Task).

Average Head Displacement not in Model
Effect Df FValue ProbF
Age 1, 10.0 8.16 0.017
Dx 1, 14.4 8.97 0.009
SMOK 1, 14.3 12.75 0.003
Dx*SMOK 1, 14.2 0.81 0.383

Average Head Displacement in Model
Effect Df FValue ProbF
Avg. Head Displacement 1, 9.1 0.14 0.715
Age 1, 7.6 8.70 0.020
Dx 1, 12.2 6.98 0.021
SMOK 1, 12.1 8.59 0.013
Dx*SMOK 1, 11.8 0.77 0.399