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. 2019 Sep 4;2(9):e1910626. doi: 10.1001/jamanetworkopen.2019.10626

Figure 3. Trends in Varenicline Use in Medicaid Prescriptions, October 1, 2001, to December 31, 2018.

Figure 3.

Number of varenicline prescriptions every quarter in Medicaid. Values were estimated with interrupted time series analyses. Period 1 indicates the time before the publication of the US Food and Drug Administration (FDA) public health advisory on February 1, 2008; period 2, the time between the publication of the FDA public health advisory and the removal of the boxed warning on December 16, 2016; and period 3, the time after the removal of the boxed warning.