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2003 IISAR Data Participation Rates

2003 CHILD Participation Table and Map

Percentage of U.S. Children >4 months and < 6 years with 2+ Immunizations in IIS

In 2003, 44% of the U.S. children greater than 4 months less than 6 years of age (or about 22 million children) had 2 or more immunizations in a state or local immunization registry. Six states and two cities reported over 95% of their children greater than 4 months and less than 6 years of age with at least two immunizations in the Immunization Information System (IIS.)

Map of this data (printable version) [668 KB]

State/Territory Percentage
Alabama 94
Alaska 52
Arizona 95
Arkansas 100
California 18
Chicago, IL 57
Colorado 16
Connecticut 66
DC 97
Delaware 100
Florida 28
Georgia 11
Hawaii 49
Houston, TX 36
Idaho 68
Illinois 57
Indiana 64
Iowa 44
Kansas no report
Kentucky no report
Louisiana 52
Maine 10
Maryland 10
Massachusetts 6
Michigan 100
Minnesota 37
Mississippi 89
Missouri 67
Montana 69
Nebraska 24
Nevada no report
New Hampshire 1
New Jersey 24
New Mexico 83
New York 7
New York City, NY 100
North Carolina no report
North Dakota 100
Ohio 26
Oklahoma 81
Oregon 100
Pennsylvania 6
Philadelphia, PA 91
Rhode Island 83
San Antonio, TX 100
South Carolina 78
South Dakota 65
Tennessee 90
Texas 44
Utah 78
Vermont 9
Virginia 24
Washington 68
West Virginia 69
Wisconsin 90
Wyoming 24

Footnotes

Qualifier: reported annual fluctuations in child participation may be due to programmatic and/or technical changes to the immunization information system. The denominator used to calculate child participation numbers are drawn from the 2003 Census Report for each state and city.

Source: Immunization Registry Annual Report, CY2003.

2003 PUBLIC PROVIDER Participation Table and Map

Percentage of Public Providers Participating in IIS by Grantee

In the 50 states and 6 cities that operate registries regionally or state-wide, an average of 76% of public immunization provider sites submitted data to their registry during the last six months of 2003. Twenty states and four cities reported over 95% of their public immunization provider sites submitting data to the Immunization Information System. These results are based on self reported data from CDC immunization grantees.

MA and MD provider participations are not reported. Within each state, only Boston and Baltimore City reported rates. The rates were too small to reflect an accurate picture of provider participation in each state.

Map of this data (printable version) [633 KB]

State/Territory/Territ Percentage
Alabama 32
Alaska 96
Arizona 88
Arkansas 100
California 66
Chicago, IL 33
Colorado 37
Connecticut 100
District of Columbia 100
Delaware 67
Florida 100
Georgia 32
Hawaii 100
Houston, TX 29
Idaho 80
Illinois 33
Indiana 60
Iowa 100
Kansas no report
Kentucky no report
Louisiana 100
Maine 35
Maryland no report
Massachusetts no report
Michigan 100
Minnesota 36
Mississippi 100
Missouri 86
Montana 56
Nebraska 100
Nevada 50
New Hampshire 5
New Jersey 90
New Mexico 26
New York 84
New York City, NY 98
North Carolina 34
North Dakota 95
Ohio 70
Oklahoma 99
Oregon 98
Pennsylvania 30
Philadelphia, PA 100
Rhode Island 96
San Antonio, TX 96
South Carolina 100
South Dakota 100
Tennessee 100
Texas 32
Utah 100
Vermont 29
Virginia 60
Washington 64
West Virginia 36
Wisconsin 100
Wyoming 100

Footnotes

Qualifier: reported annual fluctuations in public provider participation may be due to programmatic and/or technical changes to the immunization information system.

Source: Immunization Registry Annual Report, CY2003.

2003 PRIVATE PROVIDER Participation Table and Map

Percentage of Private Providers Participating in IIS by Grantee

In the 50 states and 6 cities that operate registries regionally or state-wide, an average of 36% of private provider sites submitted data to the registry during the last six months of 2003. Arkansas, Connecticut, the District of Columbia, Mississippi, and South Dakota reported over 95% of their private immunization provider sites submitting data to the Immunization Information Systems. The results are based on self reported data from CDC immunization grantees.

MA and MD provider participations are not reported.  Within each state, only Boston and Baltimore City reported rates. The rates were too small to reflect a more accurate picture of provider participation in each state.

Map of this data (printable version) [483 KB]

State/Territory Percentage
Alabama 0
Alaska 0
Arizona 89
Arkansas 100
California 9
Chicago, IL 9
Colorado 9
Connecticut 100
DC 100
Delaware 41
Florida 3
Georgia 13
Hawaii 88
Houston, TX 4
Idaho 57
Illinois 9
Indiana 1
Iowa 43
Kansas no report
Kentucky no report
Louisiana 12
Maine no report
Maryland no report
Massachusetts no report
Michigan 66
Minnesota 47
Mississippi 100
Missouri no report
Montana 73
Nebraska 2
Nevada 12
New Hampshire 1
New Jersey 5
New Mexico 0
New York 13
New York City, NY 74
North Carolina 0
North Dakota 90
Ohio 19
Oklahoma 30
Oregon 87
Pennsylvania 86
Philadelpha, PA 0
Rhode Island 59
San Antonio, TX 49
South Carolina no report
South Dakota 100
Tennessee 1
Texas 6
Utah 43
Vermont 4
Virginia 0
Washington 25
West Virginia 15
Wisconsin 86
Wyoming 0

Footnotes

Qualifier: reported annual fluctuations in private provider participation may be due to programmatic and/or technical changes to the immunization information system.

Source: Immunization Registry Annual Report, CY2003.

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