Table 1.

Sample characteristics (N = 282)

Variables (wave)	n (%) or Mean (SD)	range
Gender (male)	132 (46.8%)	-
Age (Wave 1)	16.27 (1.48)	13 – 19
Age (Wave 4)	29.14 (1.52)	26 – 32
Race/ethnicity
White, non-Hispanic	176 (62.4%)	-
Black, non-Hispanic	52 (18.4%)	-
Hispanic, any race	44 (15.6%)	-
Other race	10 (3.5%)	-
Family SES (Wave 1)	0.087 (1.83)	−3.13 – 14.25
Parent education	4.08 (1.66)	0 – 7
Parent occupation	9.20 (3.24)	1 – 14
Family income	54.48 (81.17)	0 – 800
Mean conscientiousness (Wave 4)	14.88 (2.17)	8 – 20
Deviation of conscientiousness (Wave 4)	0 (1.58)	−5.5 – 5.5
C-reactive protein (log-transformed) (Wave 4)	0.55 (0.36)	0.04 – 1.66
Depressive symptoms (Wave 4)	2.51 (2.39)	0 – 13
Young adult educational attainment (Wave 4)	5.88 (2.31)	1 – 13
Alcohol use (Wave 4)	0.63 (1.21)	0 – 6