TABLE 4.

Summary of regression models predicting volume of the left amygdala and subiculum

	a						b
	Left amygdala						Left subiculum
	Step 1 (covariates)		Step 2 (Main effects)		Step 3 (two‐way interaction)		Step 1 (covariates)		Step 2 (Main effects)		Step 3 (two‐way interaction)
	β	SE	β	SE	β	SE	β	SE	β	SE	β	SE
Intercept	469.02***	99.52	456.30***	102.31	451.53***	102.77	24.62	30.18	16.58	31.01	9.92	30.88
Sex	−76.65***	16.55	−77.60***	17.63	−76.68***	17.72	.13	5.02	1.31	5.34	2.60	5.32
TIV	8.80 × 10−4 ***	6.24 × 10−5	8.77 × 10−4 ***	6.28 × 10−5	8.80 × 10−4 ***	6.32 × 10−5	3.27 × 10−4 ***	1.89 × 10−5	3.26 × 10−4 ***	1.90 × 10−5	3.31 × 10−4 ***	1.90 × 10−5
UnEx			−8.25*	3.77	−9.99*	4.92			−2.58*	1.14	−5.02***	1.12
CogDis			2.70	1.97	2.95	2.03			.77	0.60	1.12	0.61
IntAn			−3.77	2.09	−3.87	2.10			−.84	0.63	−0.98	0.63
ImpNon			3.93	2.62	4.16	2.66			1.73*	0.79	2.06*	0.80
PLE			9.49	6.26	6.97	7.76			1.94	1.90	−1.58	2.33
PLE × UnEx					.58	1.05					0.81*	0.32
df	2, 364		7, 359		8, 358		2, 364		7, 359		8, 358
Adj. R 2	.52		.53		.53		.53		.53		.54
R 2	.52		.54		.54		.53		.54		.55
∆R 2			.01		.00				.01		.01
F	197.60***		59.02		51.58		204.20***		61.06		55.08
∆F			2.24*		.30				2.35*		6.57*

Abbreviations: Adj.R ², adjusted R ²; CogDis, cognitive disorganization; ImpNon, impulsive nonconformity; IntAn, introvertive anhedonia; PLE, psychotic‐like experiences; SE, standard error; TIV, total intracranial volume; UnEx, unusual experiences.

^*** p < .001, **p < .01,

^* p < .05.