Table 1.

Demographic characteristics of all study participants and by vulnerability group

	All participants		Resilient		Intermediate		Vulnerable
	Mean	SD	Mean	SD	Mean	SD	Mean	SD
Age (yr)	31.02	7.81	31.95	7.92	31.90	8.14	29.22	7.11
Education (yr)	14.63	1.96	14.82	2.02	14.80	1.96	14.27	1.88
BMIa	24.83	3.60	24.40	3.45	25.24	3.56	24.84	3.76
MEQb	40.12	5.94	40.28	6.10	40.25	6.35	39.82	5.38
BDI-IIc	1.37	2.11	1.10	1.79	1.28	2.01	1.74	2.43
	N	%	N	%	N	%	N	%
Sex
Male	150	53.96	46	49.46	53	57.61	51	54.84
Female	128	46.04	47	50.54	39	42.39	42	45.16
Race
Caucasian	105	37.77	34	36.56	36	39.13	35	37.63
African American	149	53.60	54	58.06	47	51.09	48	51.61
Otherd	24	8.63	5	5.38	9	9.78	10	10.75

Means and standard deviations for age, body mass index, morningness–eveningness scores, and depression ratings. Counts and percentage of sex and race.

^aBody mass index.

^bMorningness–Eveningness Questionnaire.

^cBeck Depression Inventory.

^dEncompasses individuals self-identified as Asian, Hispanic, Native Hawaiian/Pacific Islander, and more than one ethnicity.