Technical Appendix B: Kansas Survey Methods

Abstract

The Kansas HealthWave Evaluation Study is a multiyear study of newly enrolled children in the Kansas State Children’s Health Insurance Program (SCHIP). Families of new enrollees were interviewed near the time of program entry and again ∼12 months after enrollment. Telephone interviews were conducted with the adult in each household that was most familiar with the selected new enrollee’s health and health care experiences. The results reported in these analyses represent cross-sectional data from the new-enrollee phase of the study. Kansas’ SCHIP was implemented in January 1999 as a stand-alone supplement to the state’s preexisting Medicaid program. During the study period that began in September 2000, all children covered by HealthWave were enrolled in a single health plan offering all covered benefits except mental health services and operating on a fully capitated basis. Mental health was covered through a separately capitated carve-out. HealthWave covered otherwise-uninsured children <19 years old living in families with incomes <200% of the federal poverty level (FPL) and above the age-related Medicaid income thresholds: 150% of the FPL for children <1 year old, 133% of the …