Table A1. Selected STDs—Percentage of unknown, missing, or invalid values for selected variables by state and by nationally notifiable STD, 2008

This web page is archived for historical purposes and is no longer being updated. Newer data is available on the STD Data and Statistics page.

State	Primary and Secondary Syphilis				Gonorrhea			Chlamydia
State	Percent Unknown Race/Ethnicity	Percent Unknown Age	Percent Unknown Sex	Percent Unknown Sex Partner	Percent Unknown Race/Ethnicity	Percent Unknown Age	Percent Unknown Sex	Percent Unknown Race/Ethnicity	Percent Unknown Age	Percent Unknown Sex
Alabama	2.2	0.0	0.0	2.2	23.5	0.0	0.1	27.2	0.0	0.0
Alaska*	0.0	0.0	0.0	100.0	0.3	0.0	0.0	0.5	0.0	0.0
Arizona	2.8	0.0	0.0	58.0	21.8	0.0	0.1	28.6	0.0	0.0
Arkansas	0.0	0.0	0.0	30.6	7.4	0.0	0.0	6.1	0.0	0.0
California	3.4	0.0	0.1	10.1	32.2	0.0	0.5	34.2	0.0	0.4
Colorado	3.1	0.0	0.0	12.5	30.5	0.0	0.1	59.7	0.0	0.2
Connecticut	2.9	0.0	0.0	2.9	25.1	0.0	0.1	36.8	0.0	0.1
Delaware	0.0	0.0	0.0	100.0	2.4	0.0	0.0	3.2	0.0	0.0
District of Columbia	2.7	0.0	0.0	26.0	28.7	0.0	0.5	36.6	0.0	0.7
Florida	5.9	0.0	0.1	3.1	13.0	0.0	0.2	17.4	0.0	0.3
Georgia	0.8	0.0	0.0	20.7	39.3	0.0	0.7	47.6	0.0	1.0
Hawaii	0.0	0.0	0.0	0.0	33.8	0.0	0.0	50.3	0.0	0.0
Idaho*	28.6	0.0	0.0	28.6	27.8	0.0	0.0	30.0	0.0	0.3
Illinois	4.0	0.0	0.0	27.1	8.8	0.0	0.0	12.1	0.0	0.0
Indiana	0.0	0.0	0.0	7.9	12.6	0.0	0.2	16.6	0.0	0.3
Iowa	0.0	0.0	0.0	18.8	7.1	0.0	0.0	11.0	0.0	0.0
Kansas	0.0	0.0	0.0	6.7	21.6	0.0	0.0	32.7	0.0	0.0
Kentucky	5.4	0.0	0.0	21.5	29.6	0.0	0.2	36.2	0.0	0.3
Louisiana	1.1	0.0	0.0	100.0	14.0	0.0	0.5	18.8	0.0	0.8
Maine	0.0	0.0	0.0	0.0	5.2	0.0	0.0	15.7	0.0	0.0
Maryland	0.8	0.0	0.0	10.6	29.0	0.0	0.1	36.2	0.0	0.1
Massachusetts	5.1	0.0	0.0	6.9	27.5	0.0	0.1	36.8	0.0	0.1
Michigan	2.4	0.0	0.0	17.1	39.8	0.0	0.8	42.1	0.0	0.4
Minnesota	3.4	0.0	0.0	9.5	13.3	0.0	0.0	15.3	0.0	0.0
Mississippi	2.7	0.0	0.0	1.6	21.1	0.0	0.0	25.0	0.0	0.0
Missouri	0.0	0.0	0.0	1.3	15.2	0.0	0.0	23.2	0.0	0.0
Montana*	14.3	0.0	0.0	100.0	32.8	0.0	0.8	24.9	0.0	0.3
Nebraska	20.0	0.0	0.0	33.3	24.0	0.0	0.1	34.2	0.0	0.2
Nevada	18.2	0.0	0.0	2.6	27.8	0.0	0.0	37.8	0.0	0.0
New Hampshire	0.0	0.0	0.0	5.0	8.0	0.0	0.0	11.4	0.0	0.0
New Jersey	0.4	0.0	0.0	9.3	30.7	0.0	0.0	44.4	0.0	0.1
New Mexico	6.8	0.0	0.0	6.8	20.0	0.0	0.1	17.4	0.0	0.0
New York	9.7	0.0	0.0	19.5	35.1	0.0	0.0	44.7	0.0	0.0
North Carolina	0.0	0.0	0.0	100.0	7.4	0.0	0.5	9.5	0.0	0.4
North Dakota*	0.0	0.0	0.0	0.0	30.8	0.0	0.0	26.8	0.0	0.1
Ohio	7.4	0.0	0.0	8.0	26.0	0.0	1.9	33.6	0.0	2.7
Oklahoma	0.0	0.0	0.0	7.0	6.4	0.0	0.2	9.3	0.0	0.5
Oregon	3.8	0.0	0.0	100.0	8.2	0.0	0.0	17.1	0.0	0.0
Pennsylvania	4.0	0.0	0.0	1.1	20.5	0.0	0.0	22.7	0.0	0.0
Rhode Island	0.0	0.0	0.0	0.0	10.4	0.0	0.0	20.9	0.0	0.1
South Carolina	1.0	0.0	0.0	6.1	26.5	0.0	0.3	32.1	0.0	0.4
South Dakota*	0.0	0.0	0.0	0.0	1.9	0.0	0.0	2.7	0.0	0.1
Tennessee	0.0	0.0	0.0	1.2	7.1	0.0	0.0	10.0	0.0	0.0
Texas	0.6	0.0	0.0	2.3	4.4	0.0	0.1	5.1	0.0	0.1
Utah	0.0	0.0	0.0	16.0	0.0	0.0	0.0	0.0	0.0	0.0
Vermont	0.0	0.0	0.0	45.5	0.0	0.0	0.0	0.2	0.0	0.0
Virginia	0.4	0.0	0.0	2.6	14.7	0.0	0.1	23.6	0.0	0.2
Washington	4.4	0.0	0.0	1.7	24.0	0.0	0.2	23.4	0.0	0.3
West Virginia	0.0	0.0	0.0	23.1	9.0	0.0	0.0	13.9	0.0	0.0
Wisconsin	1.5	0.0	0.0	7.7	25.5	0.0	0.2	29.6	0.0	0.3
Wyoming*	33.3	0.0	0.0	100.0	26.6	0.0	0.0	35.3	0.0	0.2
	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
U.S. TOTAL	3.2	0.0	0.0	18.3	20.3	0.0	0.3	26.4	0.0	0.3
	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

* Percentages for P&S Syphilis are based on less than 10 cases.

NOTE: 'Unknown' includes unknown, missing, or invalid data values.

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Page last reviewed: November 16, 2009 (archived document)
Content source:
- Division of STD Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention