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Flow Chart
Flowchart of the eligible sample of 4870 adult individuals with SUD diagnosis prescribed MPH treatment between January 1, 2006, and December 31, 2009 identified from the register linkages. Individuals with inadequate follow-up time (n= 590), treatment discontinuation before day 100 (n=1134), and lack of dose information (n=487) was excluded. The main analyses included 2659 individuals with a known prescribed MPH dose at day 100.
