A school-based epidemiological survey of the use of drugs was carried out in Spring 1988 among 7,611 adolescents representative of students in grades 7 through 12 in New York State public and private schools. This survey provides the most recent data on the use of crack in that population. Comparison with a statewide survey carried out five years earlier reveals a large decline in the use of illicit drugs in that period. This decline appears to be stronger than the decline reported for national samples.
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Kandel et al. (1991) studied this question.
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