Treatment Admissions in the US with Marijuana as a Primary Substance, 2014

"• Marijuana/hashish was reported as the primary substance of abuse by 15 percent of TEDS admissions aged 12 and older in 2014 [Table 1.1b].
"• The average age at admission for primary marijuana/hashish admissions was 26 years [Table 2.1b], although the peak age at admission for both genders in all race/ethnicities was about 16 to 17 years [Figure 12]. Thirty-two percent of marijuana/hashish admissions were under age 20 (vs. 8 percent of all admissions combined), and primary marijuana/hashish abuse accounted for 78 percent of admissions aged 12 to 14 and 76 percent of admissions aged 15 to 17 years [Table 2.1c].
"• Non-Hispanic Whites accounted for 44 percent of primary marijuana/hashish admissions (30 percent were males and 14 percent were females), and non-Hispanic Blacks accounted for 31 percent (24 percent were males and 8 percent were females) [Table 2.3b].
"• Twenty-four percent of primary marijuana/hashish admissions had first used marijuana/hashish by age 12 and another 30 percent had first used it by age 14 [Table 2.5b].
"• Primary marijuana/hashish admissions were most likely to be referred by the court/criminal justice system (52 percent). Primary marijuana/hashish admissions were less likely than all admis-sions combined to be self- or individually referred to treatment (18 vs. 37 percent) [Table 2.6b].
"• More than 4 in 5 marijuana/hashish admissions (86 percent) received ambulatory treatment; among all admissions combined, 3 in 5 (61 percent) received ambulatory treatment [Table 2.7b].
"• Sixty-three percent of primary marijuana/hashish admissions reported abuse of additional sub-stances. Alcohol was reported by 37 percent [Table 3.8]."