Table 1.

Intercept, Slope, and Quadratic Estimates from the 3 Latent Class Growth Mixture Model of Suicidal Thoughts and Behaviors by Age

	Estimate	SE	Estimate/SE	p
Low LC (N=273)
Intercept	−2.079	0.923	−2.252	0.024
Slope	1.265	0.472	2.678	0.007
Quadratic	−0.168	0.056	−3.002	0.003
Early-Persistent LC (N=21)
Intercept	1.435	0.362	3.965	<0.001
Slope	0.108	0.054	2.007	0.045
Quadratic	non-significant, removed from model
Late-Onset LC (N=21)
Intercept	−20.395	4.694	−4.345	<0.001
Slope	3.922	0.898	4.369	<0.001
Quadratic	−0.166	0.043	−3.913	<0.001