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Original Articles

Early onset of cannabis use and alcohol intoxication predicts prescription drug misuse in American Indian and non-American Indian adolescents living on or near reservations

, , & ORCID Icon
Pages 447-453 | Received 02 Mar 2020, Accepted 07 May 2020, Published online: 16 Jul 2020
 

ABSTRACT

Background

Prescription drug misuse (PDM) is a growing issue within the American Indian (AI) population, especially in younger populations.

Objectives

This study estimates relationships between PDM and early initiation (prior to 14 yrs) of cannabis use and alcohol intoxication for a national sample of AI and non-AI adolescents attending schools on or near reservations.

Method

Participants were 2580 students (50.2% female; 58.1% AI), ages 15–18, attending schools located on or near an AI reservation. Four models of PDM were estimated: 1) demographic variables; 2) demographics plus cannabis use initiation status; 3) demographics plus alcohol intoxication initiation status; and 4) all variables. All analyses were conducted using multilevel modeling.

Results

Results indicated that early onset of cannabis use and alcohol intoxication were individually significant predictors of PDM for AI and non-AI adolescents, with odds ratios (OR) of 47.00 for cannabis (p <.01) and 35.73 (p <.01) for intoxication and with no significant differences by race (AI vs. non-AI). Results also indicated a greater likelihood of PDM when a student was an early initiator of both cannabis use and intoxication than when they were one or the other. Finally, there was a significantly greater association between cannabis use and PDM (ORearlycannabis = 24.95, p <.01) than between intoxication and PDM (ORearlyintoxication = 3.98, p <.01) when both predictors were in the model.

Conclusions

These findings suggest that for AI and non-AI youth who have some shared living experience, early initiation of cannabis use and alcohol intoxication are risk factors that are similarly related to PDM and that targeting early initiation for both groups of adolescents is critical in prevention of PDM.

Disclosure of interest

The authors report no conflict of interest.

Additional information

Funding

This work was supported by the National Institute on Drug Abuse under Grant [R01DA003371], and Dr. Conner’s work was also supported by the Colorado Department of Public Health and Environment [2017-3415].

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