Age of first cocaine use — first

Data from Burton and colleagues (1996) measuring the relation between age of first cocaine use and drug-use history in a random sample of 1658 white American men. Age of first cocaine use and drug-use history was determined through two interviews eleven years apart (1974 and 1985).

Usage

first_cocaine

Format

A person-level data frame with 1658 rows and 15 columns:

id: Participant ID.
used_cocaine_age: Age of first cocaine use.
censor: Censoring status.
birth_year
early_marijuana_use: Binary indicator for whether marijuana was used before age 17.
used_marijuana: Binary indicator for whether the participant used marijuana during the study period.
used_marijuana_age: Age the participant first used marijuana.
sold_marijuana: Binary indicator for whether the participant sold marijuana during the study period.
sold_marijuana_age: Age the participant first sold marijuana.
early_drug_use: Binary indicator for whether other drugs were used before age 17.
used_drugs: Binary indicator for whether the participant used other drugs during the study period.
used_drugs_age: Age the participant first used other drugs.
sold_drugs: Binary indicator for whether the participant sold other drugs during the study period.
sold_drugs_age: Age the participant first sold other drugs.
rural: Binary indicator for whether the participant lived in a rural area.

Source

Burton, R. P. D., Johnson, R. J., Ritter, C., & Clayton. R. R. (1996). The effects of role socialization on the initiation of cocaine use: An event history analysis from adolescence into middle adulthood. Journal of Health and Social Behavior, 37, 75–90. https://doi.org/10.2307/2137232