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. Author manuscript; available in PMC: 2019 Aug 5.
Published in final edited form as: JAMA Psychiatry. 2019 Jul 1;76(7):708–720. doi: 10.1001/jamapsychiatry.2019.0163

Figure 1. Age of onset (left) and transition times between (right) drug use, use disorders and remission.

Figure 1.

The left panel shows the cumulative age of onset curves for illicit drug use, abuse (without hierarchy), dependence, remission from abuse and remission from dependence. Each curve includes respondents with and without the specific diagnosis, where age of onset for the latter is censored at age of interview. Estimates were scaled up to reach 100%. The right panel shows the cumulative curves for time to transition between various drug stages. Each curve includes only those respondents with a diagnosis of the second stage. For left and right panels, persons with missing age of onset of remission were excluded from associated curves (N=147 – remission from abuse; N=104 – remission from dependence).