Adolescent outcomes at age 15 by latent profiles and gender. For tobacco use (a), gender differences in Profile 1 & 4; Profile 1 differs from Profile 3 & 4 in girls, with no class difference in boys. For early sexual behaviors (b), gender differences in all profiles except Profile 1; Profile 1 differs from all other profiles in girls, and Profile 1 differs from Profile 2 in boys. For mental health (c), gender differece in Profile 1; Profile 1 differs from all other classes and Profile 2 differs from Profile 4 difference within each profile; Profile 1 differs from Profile 2, 3, & 4 in girls, with no profile difference in boys.