Trend plots for TUD, SUD, AUD and DUD stratified based on age groups.
(Panel A is for 18–35 years, Panel B is for 36–50 years, Panel C is for 51–65 years, Panel D is for 66–80 and Panel E is for >80 years). X-axis represents timeline in years and Y-axis represents frequency of substance use disorder.
Abbreviations: TUD: Tobacco Use Disorder; SUD: Substance Use Disorder; AUD: Alcohol Use Disorder; and DUD: Drug Use Disorder.