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. Author manuscript; available in PMC: 2024 Jul 26.

Published in final edited form as: Behav Brain Res. 2023 May 16;450:114499. doi: 10.1016/j.bbr.2023.114499

Table 1.

Demographic and Substance Use (SU) Information

	Baseline
	n = 81

Demogra phics	M		SD

Age	12.62		0.72
	N		%
Male	42		51.9%
White	59		72.8%

	Baseline				6-Month Follow-up				1-Year Follow-up				2-Year Follow-up				3-Year Follow-up
	n = 81				n = 80				n = 79				n = 79				n = 78

Any SU	n		%		n		%		n		%		n		%		n		%
	14		17.3		13		16.3		14		17.3		15		18.5		32		39.59
SU Freq^* (for users)	M		SD		M		SD		M		SD		M		SD		M		SD
	0.54		0.87		0.49		0.88		0.48		0.78		0.98		1.80		2.10		2.17

	Baseline				6-Month Follow-up				1-Year Follow-up				2-Year Follow-up				3-Year Follow-up
	girls		boys		girls		boys		girls		boys		girls		boys		girls		boys

Any SU	n	%	n	%	n	%	n	%	n	%	n	%	n	%	n	%	n	%	n	%
	9	23.1	5	11.9	8	20.5	5	11.9	11	28.2	3	7.1	7	17.9	8	19.0	19	48.7	13	31.0

SU Freq^* (for users)	M	SD	M	SD	M	SD	M	SD	M	SD	M	SD	M	SD	M	SD	M	SD	M	SD
	0.55	0.85	0.53	0.93	0.51	0.91	0.47	0.87	0.71	0.92	0.18	0.39	1.02	1.95	0.91	1.61	2.22	2.10	1.92	2.32

Note. White = Non-Hispanic White, SU= Substance Use, Freq = frequency

^*

SU frequency is based on YRBS scoring bands (0 = 0 days, 1 = 1–2 days, 3 = 3–9 days, 4 = 20–39 days, 5 = 40 or more days), summed across substances.