Association between ADHD symptoms and illicit stimulants use following 1 year among French university students of the i-Share cohort.

CENTRAL nervous system stimulants; MULTIVARIABLE testing; ATTENTION-deficit hyperactivity disorder; COLLEGE students; STIMULANTS

Purpose: Although attention deficit hyperactivity disorder (ADHD) has been associated with illicit stimulants use, less is known about their prospective association in university students. We aimed to examine the association between ADHD symptoms at inclusion and illicit stimulants use following 1 year among university students. Methods: The i-Share cohort recruited French students from February 2013 to July 2020. The study included 4270 participants. The Adult ADHD Self-Report Scale (ASRS) was used to evaluate ADHD symptoms at inclusion. Illicit stimulants use was assessed at inclusion and 1 year after inclusion. Multivariable logistic regressions were conducted to assess the association between ADHD symptoms at inclusion and illicit stimulants use following 1 year. Results: High levels of ADHD symptoms at inclusion were associated with a greater probability of illicit stimulants use following 1 year (adjusted OR: 2.42 (1.51–3.8)). The adjusted odds ratio was 2.7 (1.08–7.84) among participants who had used illicit stimulant at least once (continuation) and 2.25 (1.04–4.37) among participants who had never used illicit stimulants at inclusion (initiation). Conclusion: High levels of ADHD symptoms are a feature that may promote both initiation and continuation of illicit stimulants use among university students. Our findings suggest that university students with high levels of ADHD symptoms may benefit from screening to help identify those at risk of illicit stimulants use. [ABSTRACT FROM AUTHOR]

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