Table A1. Selected STDs —Percentage of unknown, missing, or invalid values for selected demographic variables by state and by nationally notifiable STD, 2005

State	Primary and Secondary Syphilis				Gonorrhea				Chlamydia
	Percent Unknown Race/Ethnicity		Percent Unknown Age	Percent Unknown Sex	Percent Unknown Race/Ethnicity		Percent Unknown Age	Percent Unknown Sex	Percent Unknown Race/Ethnicity		Percent Unknown Age	Percent Unknown Sex
Alabama	3.0		0.6	0.0	23.4		0.8	0.2	31.3		0.7	0.4
Alaska*	0.0		0.0	0.0	0.2		0.0	0.0	0.3		0.0	0.0
Arizona	0.0		0.0	0.6	21.0		0.0	0.1	23.9		0.0	0.0
Arkansas	0.0		0.0	0.0	3.6		0.8	0.0	1.9		0.6	0.0
California	2.3		0.0	0.1	32.5		0.6	0.5	32.8		0.6	0.5
Colorado	8.7		0.0	0.0	30.4		0.1	0.0	54.1		0.7	0.0
Connecticut	0.0		0.0	0.0	28.5		0.8	0.0	35.3		1.2	0.0
Delaware	0.0		0.0	0.0	1.4		0.0	0.0	2.1		0.0	0.0
Florida	2.1		0.0	0.0	4.4		0.2	0.0	6.1		0.1	0.0
Georgia	2.5		0.2	0.0	38.1		1.5	1.0	50.5		1.2	1.3
Hawaii	0.0		0.0	0.0	50.7		0.2	0.0	52.0		0.1	0.0
Idaho	15.0		0.0	0.0	24.4		0.0	1.7	24.9		0.3	0.8
Illinois	3.6		0.0	0.0	15.6		0.1	0.0	18.2		0.1	0.0
Indiana	8.1		0.0	0.0	13.0		0.4	0.3	15.8		0.6	0.5
Iowa*	11.1		0.0	0.0	17.4		0.4	0.0	24.0		0.6	0.0
Kansas	0.0		0.0	0.0	21.9		0.1	0.0	29.2		0.1	0.0
Kentucky	0.0		1.9	0.0	18.2		0.2	0.2	23.7		0.3	0.3
Louisiana	2.2		0.0	0.0	10.9		0.5	0.7	17.8		0.6	1.4
Maine*	0.0		0.0	0.0	9.2		0.0	0.0	19.7		0.4	0.2
Maryland	0.3		0.0	0.0	24.4		0.3	0.1	43.0		0.4	0.1
Massachusetts	0.8		0.0	0.0	31.4		0.4	0.0	37.2		0.4	0.1
Michigan	1.9		1.0	0.0	48.7		0.4	0.3	47.4		0.5	0.3
Minnesota	1.4		0.0	0.0	17.8		0.0	0.0	19.2		0.0	0.0
Mississippi	2.0		0.0	0.0	14.3		0.3	0.0	14.8		0.2	0.0
Missouri	0.0		0.0	0.0	18.9		0.1	0.0	24.0		0.1	0.0
Montana*	28.6		0.0	0.0	19.6		0.6	0.0	17.3		0.5	0.2
Nebraska*	0.0		0.0	0.0	18.8		2.2	0.3	19.7		2.8	0.1
Nevada	9.2		0.0	0.0	31.5		0.2	0.1	36.8		0.2	0.1
New Hampshire	12.5		0.0	0.0	15.3		0.0	0.0	10.2		0.0	0.0
New Jersey	4.5		0.0	0.0	44.1		1.2	0.0	50.1		1.1	0.0
New Mexico	1.8		0.0	0.0	4.0		1.0	0.0	4.9		2.1	0.0
New York	36.3		0.0	0.0	41.2		0.6	0.0	44.7		0.5	0.0
North Carolina	0.4		0.0	0.0	1.0		0.0	0.0	1.1		0.0	0.0
North Dakota*	0.0		0.0	0.0	11.7		0.0	0.0	13.0		0.7	0.1
Ohio	1.4		0.5	0.0	34.4		1.5	1.7	41.3		1.7	3.1
Oklahoma	0.0		0.0	0.0	1.0		0.0	0.0	1.7		0.0	0.0
Oregon	4.9		0.0	0.0	15.1		0.0	0.0	14.1		0.0	0.0
Pennsylvania	8.5		0.0	0.0	22.1		0.4	0.0	23.4		0.3	0.0
Rhode Island	0.0		0.0	0.0	3.4		0.2	0.0	25.6		0.1	0.2
South Carolina	0.0		0.0	0.0	24.6		1.0	0.4	31.8		0.7	0.2
South Dakota*	0.0		0.0	0.0	0.0		1.4	0.0	0.2		0.9	0.1
Tennessee	0.0		0.0	0.0	14.6		0.2	0.0	19.2		0.1	0.1
Texas	0.0		0.0	0.0	8.2		0.2	0.1	8.6		0.2	0.1
Utah	0.0		0.0	0.0	0.0		0.0	0.0	0.0		0.0	0.0
Vermont*	0.0		0.0	0.0	0.0		0.0	0.0	0.0		0.0	0.0
Virginia	0.7		0.0	0.0	7.5		0.1	0.1	11.8		0.2	0.2
Washington	2.0		0.0	0.0	18.9		0.7	0.0	18.7		1.3	0.0
West Virginia*	0.0		0.0	0.0	9.1		0.4	0.0	10.6		0.6	0.0
Wisconsin	0.0		0.0	0.0	25.9		0.0	0.1	28.0		0.0	0.1
Wyoming*	0.0		0.0	0.0	5.7		1.1	0.0	3.4		1.4	0.0
U.S. TOTAL†	4.8		0.1	0.0	22.2		0.5	0.3	26.3		0.5	0.3

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

^†Includes cases reported by Washington, D.C.

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