Table 2: Summary of participating organizations.

Type of organizationGeographic reachEligible children between ages 3 and 18

Health insurance planPennsylvania754,699
Health insurance planNorth Carolina560,097
Health insurance planVirginia488,423
Health insurance planMassachusetts288,661
Health insurance planNew York86,010
Health insurance planKentucky46,225
Health insurance planNational30,400
Health insurance planWisconsin24,000
Health insurance planWisconsin212*
Health insurance planCalifornia130*
EmployerNational53,000
EmployerNational20,175
EmployerOhio18,700
EmployerNew York9,018
EmployerNational1,256
EmployerNational624

*Targeting individual physician practices.