“…In keeping with all previous research in this field (Krohn, 1974;Dembo et al, 1979Dembo et al, , 1980Dembo et al, , 1985Brook et al, 1982Brook et al, , 1983Byram y Fly, 1984;Santos and Simpson, 1984;Napier et al, 1982Napier et al, , 1983Napier et al, , 1984Goe et al, 1985;Dishion and Loeber, 1985), the data of the present study c o n f m the utility of the variable "drug consumption by peers" for understanding adolescent drug use. In all the analyses performed, this variable proved to be critical for differentiating between users and nonusers.…”