Table 1.

Demographic Characteristics of the Study Sample

	High BAS (N = 171)	Moderate BAS (N = 119)
Age	17.60 (1.45)	17.20 (1.69)
Sex	63.0% Female	71.0% Female
Race/Ethnicity	55.0% Caucasian	55.0% Caucasian
	30.0% African Amer.	25.0% African Amer.
	3.8% Hispanic/Latino	6.3% Hispanic/Latino
	9.4% Asian/Pacific Isl.	4.4% Asian/Pacific Isl.
	0.9% Biracial	4.8% Biracial
	0.9% Other	4.5% Other
BIS	19.83 (4.07)	19.72 (3.34)
BAS-T	46.08 (2.76)	38.07 (1.59)
SP	10.50 (5.29)	10.86 (5.18)
SR	18.06 (1.89)	11.43 (1.96)
BDI	7.08 (6.44)	6.13 (6.23)
ASRM	6.23 (3.98)	5.55 (3.67)

Note. Standard deviations are in parentheses. BIS = Behavioral Inhibition System scores from the BIS/BAS Scales; BAS-T = Behavioral Approach System – Total scores from the BIS/BAS Scales; SP = Sensitivity to Punishment scores from the SPSRQ; SR = Sensitivity to Reward from the SPSRQ; BDI = Beck Depression Inventory; ASRM = Altman Self-Rating Mania Scale.