Table 1.

Demographic and psychometric measures (n = 293)

Variables	Mean	s.d.	Range	r
Sex	–	–	–	0.25**
Age	21.56	1.01	18–25	−0.06
Total GMV	0.49	0.04	0.39–0.60	−0.16*
Positive affect	34.15	4.78	20–48	0.28**
Negative affect	24.40	4.69	12–40	−0.26**
Life satisfaction	20.03	5.34	6–35	1

Total GMV, Total gray matter volume. r, Pearson bivariate correlations with life satisfaction. *P < 0.01. **P < 0.001.