Suburban youth are more likely to report using drugs and alcohol to self-medicate (to decrease feelings of stress and depression) compared to urban youth populations.

Luthar, S., & D'Avanzo, K. (1999). Contextual factors in substance use: A study of suburban and inner-city adoloescents. Development and Psychopathology, 11, 845-867.

From the "End the Race to Nowhere" website at http://www.endtherace.org/resource/suburban-youth-and-self-medication--