Table 1.

Zero-order correlations and 95% confidence intervals (calculated via bias corrected and accelerated bootstrapping; 1,000 resamples) for all study variables.

	1	2	3	4
1. VMPFC Gray Matter
2. Trait Physical Aggression	−.39*** [−.53,−.21]
3. Trait Verbal Aggression	−.01 [−.19,.15]	.40*** [.25,.55]
4. Likelihood of Fight	−.34** [−.55,−.08]	.40** [.18,.58]	.15 [−.08,.37]
5. Sex (1 = Male, 0 = Female)	−.13 [−.31,.03]	.50*** [.35,.63]	.30*** [.14,.47]	.23† [−.04,.47]

^†p < .075,

^*p < .05,

^**p < .01,

^***p < .001