Table 5.

Percentages of Age 18 Outcomes Exhibiting Characteristic

	Health service	Mental health service	Legal problems	School dropout	Substance abuse diagnosis
Substance use developmental trajectory groups
Late Users	70.3%	19.8%	1.8%	3.5%	0.9%
Normative Users	81.5%	19.4%	9.9%	3.6%	11.3%
Late Heavy	80.3%	28.2%	17.1%	9.3%	42.9%
Early Heavy	87.1%	20.6%	11.8%	31.4%	33.3%
Substance abuse developmental trajectory groups
Non-abusers	75.9%	20.5%	6.3%	3.7%	5.2%
Moderate escalating	86.4%	21.0%	16.3%	4.8%	39.5%
Adolescent-limited heavy	88.9%	40.0%	25.0%	33.3%	57.9%
Moderate Decreasing	81.4%	15.9%	9.1%	16.7%	22.2%
Total	78.9%	21.0%	9.2%	6.5%	15.3%