Informative censoring by health plan disenrollment among commercially insured adults

Purpose Health plan disenrollment occurs frequently in commercial insurance claims databases. If individuals who disenroll are different from those who remain enrolled, informative censoring may bias descriptive statistics as well as estimates of causal effect. We explored whether patterns of disenrollment varied by patient or health plan characteristics. Methods In a large cohort of commercially insured adults (2007‐2013), we examined two...