Table A1. Selected STDs — Percentage of unknown, missing, or invalid values for selected variables by state and by nationally notifiable STD, 2006

State	Primary and Secondary Syphilis						Gonorrhea				Chlamydia
	Percent Unknown Race / Ethnicity		Percent Unknown Age	Percent Unknown Sex	Percent Unknown Sex of Partners		Percent Unknown Race / Ethnicity		Percent Unknown Age	Percent Unknown Sex	Percent Unknown Race / Ethnicity		Percent Unknown Age	Percent Unknown Sex
Alabama	3.1		0.0	0.0	23.8		28.9		1.0	0.0	31.3		0.6	0.1
Alaska	0.0		0.0	0.0	100.0		0.2		0.0	0.0	0.0		0.0	0.0
Arizona	14.8		0.0	2.0	35.5		24.5		0.0	0.1	30.3		0.0	0.1
Arkansas	0.0		0.0	0.0	36.4		3.4		0.3	0.0	4.2		0.5	0.0
California	3.4		0.3	0.1	11.4		33.4		0.7	0.6	34.1		0.5	0.5
Colorado	5.8		0.0	0.0	8.7		27.1		0.0	0.0	42.0		0.4	0.0
Connecticut	1.6		0.0	0.0	0.0		25.9		0.3	0.0	34.1		1.1	0.0
Delaware	0.0		0.0	0.0	100.0		1.0		0.0	0.0	1.9		0.0	0.0
District of Columbia	0.9		0.0	0.0	18.1		22.3		0.8	0.4	46.5		0.6	1.2
Florida	4.2		0.0	0.0	39.6		9.8		0.2	0.0	14.2		0.3	0.0
Georgia	2.9		0.2	0.0	21.3		38.6		1.3	0.8	50.2		1.4	0.9
Hawaii	0.0		0.0	0.0	22.2		41.2		0.3	0.0	49.6		0.3	0.1
Idaho*	33.3		0.0	0.0	33.3		24.8		0.0	0.5	21.5		0.1	0.4
Illinois	3.7		0.0	0.0	9.7		12.8		0.0	0.0	15.8		0.0	0.0
Indiana	2.2		0.0	0.0	7.5		13.4		0.4	0.4	16.9		0.7	0.5
Iowa	0.0		0.0	0.0	42.1		9.3		0.1	0.0	11.9		0.2	0.0
Kansas	0.0		0.0	0.0	18.5		22.7		0.2	0.0	28.9		0.2	0.0
Kentucky	4.1		1.4	0.0	21.9		22.0		0.5	0.2	26.5		0.3	0.3
Louisiana	0.9		0.0	0.0	100.0		16.0		0.4	0.8	25.0		0.6	1.2
Maine*	0.0		0.0	0.0	0.0		10.9		0.0	0.0	20.0		0.4	0.0
Maryland	0.7		0.0	0.0	9.7		25.9		0.4	0.2	36.5		0.5	0.4
Massachusetts	4.8		0.0	0.0	8.9		31.4		0.3	0.1	39.5		0.5	0.2
Michigan	0.8		0.0	0.0	100.0		46.8		0.2	0.2	47.3		0.2	0.3
Minnesota	6.4		0.0	0.0	0.0		14.4		0.0	0.0	15.4		0.0	0.0
Mississippi	3.5		0.0	0.0	5.8		15.2		0.1	0.0	17.8		0.1	0.0
Missouri	0.0		0.0	0.0	4.8		17.1		0.1	0.0	22.9		0.1	0.0
Montana*	0.0		0.0	0.0	0.0		24.7		0.0	0.0	17.2		0.6	0.3
Nebraska*	0.0		0.0	0.0	28.6		25.9		0.2	1.1	24.2		0.4	1.3
Nevada	17.5		0.0	0.0	2.9		31.1		0.5	0.0	38.8		0.3	0.0
New Hampshire	0.0		0.0	0.0	0.0		12.2		0.0	0.0	8.9		0.0	0.0
New Jersey	2.9		0.0	0.0	12.1		37.9		0.7	0.1	46.2		1.0	0.1
New Mexico	3.8		0.0	0.0	10.1		8.5		0.2	0.0	7.6		0.3	0.1
New York	19.8		0.0	0.0	38.5		38.2		0.4	0.0	42.7		0.5	0.0
North Carolina	0.3		0.0	0.0	100.0		1.2		0.0	0.0	1.5		0.0	0.0
North Dakota*	0.0		0.0	0.0	100.0		3.9		0.0	0.0	9.3		0.0	0.1
Ohio	2.2		0.0	0.0	7.6		29.0		2.0	1.0	34.7		2.7	1.5
Oklahoma	1.4		0.0	0.0	5.7		2.4		0.0	0.0	2.6		0.0	0.0
Oregon	3.4		0.0	0.0	100.0		6.3		0.0	0.0	11.0		0.0	0.0
Pennsylvania	1.9		0.0	0.0	2.3		22.6		0.4	0.0	24.5		0.1	0.0
Rhode Island	0.0		0.0	0.0	7.1		10.4		0.0	0.0	24.9		0.1	0.2
South Carolina	0.0		0.0	0.0	16.7		29.1		0.9	0.1	37.6		0.6	0.1
South Dakota	0.0		0.0	0.0	7.7		0.0		0.8	0.0	0.3		1.6	0.0
Tennessee	0.0		0.0	0.0	2.4		13.5		0.1	0.0	17.7		0.1	0.0
Texas	0.2		0.0	0.0	2.4		9.2		0.3	0.1	8.6		0.2	0.1
Utah	0.0		0.0	0.0	14.3		3.9		0.0	0.0	4.9		0.1	0.0
Vermont*	33.3		0.0	0.0	33.3		0.0		0.0	0.0	0.3		0.0	0.0
Virginia	0.0		0.0	0.0	3.2		3.0		0.1	0.0	10.3		0.1	0.1
Washington	4.9		0.0	0.0	14.8		20.4		0.9	0.0	20.1		1.0	0.0
West Virginia	18.2		0.0	0.0	9.1		11.0		0.1	0.0	11.5		0.3	0.1
Wisconsin	0.0		0.0	0.0	4.4		23.5		0.0	0.1	27.1		0.0	0.2
Wyoming*	0.0		0.0	0.0	0.0		13.3		4.2	0.0	25.2		1.3	0.0
U.S. TOTAL	4.1		0.1	0.1	22.7		21.6		0.5	0.2	26.3		0.5	0.2

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

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