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Bar plots showing the amount of missing data in the CATIE study. The total height of the bar displays the absolute number of people who have missing (a) PANSS, (b) BMI, and (c) adherence, as measured by pill count, at each of the monthly visits at which the scheduled variable was collected. The dark grey area represents individuals with missing values because they have dropped out of the study prior to that month. The unshaded area is the amount of item missingness in each variable.
