. Author manuscript; available in PMC: 2014 Jan 20.

Published in final edited form as: Dev Psychol. 2012 Feb 27;48(5):1416–1428. doi: 10.1037/a0027491

Table 1.

Sample Descriptives: Mean (Standard Deviation) and Frequencies

	Sexual initiation by follow-up
Variable	Sexually experienced (n = 55)	Not experienced (n = 292)	p
Working memory (Factor score)	−0.23 (0.95)	0.04 (0.81)	<.05
Sensation seeking (Factor score)	0.40 (0.92)	−0.08 (0.85)	<.001
Acting without thinking (Factor score)	0.60 (0.87)	−0.11 (0.87)	<.001
Temporal discounting (range = 10–100)	62.18 (30.65)	48.28 (28.49)	=.001
Age (range = 11.9–15.1)	14.01 (0.82)	13.28 (0.82)	<.001
Pubertal development (range = 1–5)	4.41 (0.64)	3.76 (0.90)	<.001
Parental education (range = 1–7)	4.67 (1.19)	5.04 (1.27)	<.05
Parental occupation (range = 1–7)	2.62 (1.85)	3.34 (1.90)	<.05
Black racial identity	45.5%	24.3%	=.001
Hispanic ethnicity	14.6%	7.5%	=.09