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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: Brain Cogn. 2014 Feb 7;89:15–26. doi: 10.1016/j.bandc.2014.01.007

Table 4.

Unique Effects of PCA Puberty Factor Scores and Sex on Subcortical Brain Volumes

Volume Change R2 F/t p Partial r
Unique Sex Effects in Step 1 Model
R Amygdala -- 2.50 .014 .22
R Hippocampus -- 3.38 .001 .29
L Nacc -- 3.37 .001 .29
R Nacc -- 4.00 <.001 .34
L Pallidum -- −2.01 .047 −.18
PCA Puberty Factor Score X Sex Effects in Step 2 Model
L Nacc .064 9.03 .003 −.27
R Pallidum .033 4.67 .033 −.19
R Thalamus .027 4.46 .037 −.19

Note: Sex was dummy-coded with 0 = male, 1 = female. Nacc = nucleus accumbens; L = left hemisphere, R = right hemisphere.