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Censorship patterns of individuals enrolled in a hypothetical trial randomizing patients after a response of a 2 or a 3 on the patient health questionnaire (PHQ). (a) Kaplan-Meier curve until disenrollment from the health plan (i.e. censorship). (b) Kaplan-Meier curve for censorship by response to item nine at randomization. (c) Kaplan-Meier curve for censorship by prior response on item nine of the PHQ. (d) Kaplan-Meier curve for censorship by age group.
