Determinants of disenrollment: implications for HMO managers.
D000704:Analysis of Variance; D001071:Appointments and Schedules; D003258:Consumer Behavior; D006279:Health Maintenance Organizations / Q000458:organization & administration / Q000706:statistics & numerical data*; D006801:Humans; D008923:Missouri; D012959:Socioeconomic Factors; D011795:Surveys and Questionnaires