Survey reveals weak focus on membership retention.
D003258:Consumer Behavior / Q000706:statistics & numerical data*; D003625:Data Collection; D019981:Health Care Sector; D006279:Health Maintenance Organizations / Q000458:organization & administration* / Q000706:statistics & numerical data; D010817:Physician-Patient Relations; D011243:Preferred Provider Organizations / Q000458:organization & administration* / Q000706:statistics & numerical data; D014481:United States