Table A1. Selected STDs — Percentage of Unknown, Missing, or Invalid Values for Selected Variables by State and by Nationally Notifiable STD, 2019
| State | Primary and Secondary Syphilis | ||||
|---|---|---|---|---|---|
| Percentage Unknown Race/Hispanic Ethnicity | Percentage Unknown Age | Percentage Unknown Sex | Percentage Unknown Sex of Sex Partners | Percentage Unknown County | |
| Alabama | 0.5 | 0.0 | 0.0 | 30.6 | 0.0 |
| Alaska | 0.8 | 0.0 | 0.0 | 7.8 | 0.8 |
| Arizona | 3.3 | 0.0 | 0.0 | 9.8 | 0.0 |
| Arkansas | 2.2 | 0.0 | 0.0 | 11.6 | 0.0 |
| California | 8.5 | 0.0 | 0.4 | 16.4 | 0.0 |
| Colorado | 2.3 | 0.0 | 0.0 | 10.7 | 0.0 |
| Connecticut | 4.8 | 0.5 | 0.5 | 37.1 | 5.2 |
| Delaware | 22.3 | 0.0 | 0.0 | 44.7 | 0.0 |
| District of Columbia | 11.0 | 0.0 | 1.3 | 46.4 | 0.0 |
| Florida | 5.8 | 0.0 | 0.0 | 19.8 | 0.0 |
| Georgia | 1.0 | 0.0 | 0.0 | 27.4 | 0.0 |
| Hawaii | 2.5 | 0.0 | 1.7 | 19.2 | 0.0 |
| Idaho | 21.3 | 0.0 | 0.0 | 31.9 | 0.0 |
| Illinois | 7.5 | 0.0 | 0.0 | 33.7 | 0.0 |
| Indiana | 0.6 | 0.0 | 0.0 | 13.7 | 0.0 |
| Iowa | 0.8 | 0.0 | 0.0 | 7.6 | 0.0 |
| Kansas | 3.7 | 0.0 | 0.0 | 19.5 | 0.0 |
| Kentucky | 2.7 | 0.0 | 0.0 | 22.1 | 0.0 |
| Louisiana | 0.0 | 0.0 | 0.0 | 9.4 | 0.0 |
| Maine | 1.8 | 0.0 | 0.0 | 69.1 | 0.0 |
| Maryland | 0.1 | 0.0 | 0.0 | 11.3 | 0.0 |
| Massachusetts | 3.1 | 0.0 | 0.7 | 7.4 | 0.2 |
| Michigan | 0.4 | 0.0 | 0.0 | 6.8 | 0.0 |
| Minnesota | 1.3 | 0.0 | 1.0 | 30.4 | 0.0 |
| Mississippi | 0.0 | 0.0 | 0.0 | 5.7 | 0.0 |
| Missouri | 1.1 | 0.0 | 0.0 | 12.5 | 0.0 |
| Montana | 0.0 | 0.0 | 0.0 | 25.4 | 6.0 |
| Nebraska | 17.6 | 0.7 | 0.0 | 44.9 | 8.8 |
| Nevada | 27.6 | 0.0 | 0.0 | 13.1 | 0.1 |
| New Hampshire | 23.4 | 0.0 | 0.0 | 17.0 | 0.0 |
| New Jersey | 4.8 | 0.0 | 0.2 | 9.2 | 0.0 |
| New Mexico | 18.4 | 0.0 | 0.0 | 20.2 | 0.0 |
| New York | 6.0 | 0.0 | 0.0 | 17.3 | 0.0 |
| North Carolina | 0.0 | 0.0 | 0.0 | 13.5 | 2.5 |
| North Dakota | 4.4 | 0.0 | 0.0 | 15.6 | 0.0 |
| Ohio | 0.1 | 0.0 | 0.0 | 8.3 | 0.0 |
| Oklahoma | 0.3 | 0.0 | 0.0 | 6.2 | 0.0 |
| Oregon | 7.7 | 0.0 | 0.0 | 16.5 | 0.0 |
| Pennsylvania | 8.1 | 0.0 | 0.1 | 11.9 | 0.0 |
| Rhode Island | 5.0 | 0.0 | 0.0 | 17.8 | 0.0 |
| South Carolina | 0.8 | 0.0 | 0.8 | 6.2 | 0.0 |
| South Dakota | 0.0 | 0.0 | 0.0 | 8.3 | 0.0 |
| Tennessee | 0.0 | 0.0 | 0.0 | 12.0 | 0.0 |
| Texas | 5.2 | 0.0 | 1.0 | 26.3 | 0.3 |
| Utah | 2.9 | 0.0 | 0.0 | 8.7 | 10.9 |
| Vermont | 36.4 | 0.0 | 0.0 | 81.8 | 9.1 |
| Virginia | 0.5 | 0.0 | 2.1 | 8.6 | 0.0 |
| Washington | 8.5 | 0.0 | 0.1 | 7.8 | 0.0 |
| West Virginia | 0.0 | 0.0 | 0.0 | 22.8 | 1.3 |
| Wisconsin | 1.7 | 0.0 | 0.0 | 76.5 | 0.6 |
| Wyoming | 45.5 | 0.0 | 0.0 | 45.5 | 0.0 |
| U.S. Total | 5.4 | 0.0 | 0.2 | 17.3 | 0.2 |
| State | Gonorrhea | Chlamydia | ||||||
|---|---|---|---|---|---|---|---|---|
| Percentage Unknown Race/Hispanic Ethnicity | Percentage Unknown Age | Percentage Unknown Sex | Percentage Unknown County | Percentage Unknown Race/Hispanic Ethnicity | Percentage Unknown Age | Percentage Unknown Sex | Percentage Unknown County | |
| Alabama | 33.6 | 0.1 | 0.3 | 0.0 | 40.8 | 0.1 | 0.3 | 0.0 |
| Alaska | 7.7 | 0.0 | 0.0 | 0.6 | 14.0 | 0.0 | 0.0 | 2.4 |
| Arizona | 23.6 | 0.0 | 0.1 | 0.0 | 35.0 | 0.0 | 0.1 | 0.0 |
| Arkansas | 11.5 | 0.0 | 0.0 | 0.0 | 14.6 | 0.0 | 0.1 | 0.0 |
| California | 23.2 | 0.2 | 0.4 | 0.0 | 38.6 | 0.2 | 0.3 | 0.0 |
| Colorado | 22.4 | 0.0 | 0.0 | 0.0 | 35.8 | 0.0 | 0.0 | 0.0 |
| Connecticut | 49.0 | 0.1 | 0.1 | 3.4 | 56.2 | 0.1 | 0.4 | 3.4 |
| Delaware | 8.4 | 0.1 | 0.1 | 0.0 | 13.8 | 0.0 | 0.3 | 0.0 |
| District of Columbia | 71.2 | 0.2 | 1.0 | 0.0 | 92.8 | 0.4 | 1.2 | 0.0 |
| Florida | 14.2 | 0.0 | 0.0 | 0.0 | 22.0 | 0.0 | 0.0 | 0.0 |
| Georgia | 12.2 | 0.1 | 1.4 | 6.3 | 20.3 | 0.1 | 1.7 | 7.0 |
| Hawaii | 45.5 | 0.1 | 0.6 | 0.0 | 61.4 | 0.1 | 0.2 | 0.0 |
| Idaho | 26.1 | 0.3 | 0.0 | 0.0 | 31.2 | 0.0 | 0.0 | 0.0 |
| Illinois | 10.9 | 0.0 | 0.3 | 0.0 | 16.0 | 0.0 | 0.3 | 0.0 |
| Indiana | 10.8 | 0.0 | 0.1 | 3.6 | 16.9 | 0.1 | 0.0 | 4.8 |
| Iowa | 3.1 | 0.0 | 0.0 | 0.0 | 9.7 | 0.0 | 0.0 | 0.0 |
| Kansas | 13.8 | 0.0 | 0.0 | 0.3 | 24.1 | 0.0 | 0.0 | 0.0 |
| Kentucky | 42.5 | 0.4 | 0.6 | 0.0 | 50.7 | 0.3 | 0.5 | 0.4 |
| Louisiana | 1.9 | 0.0 | 0.0 | 0.0 | 4.8 | 0.0 | 0.0 | 0.0 |
| Maine | 5.1 | 0.0 | 0.0 | 0.0 | 29.8 | 58.7 | 0.0 | 2.1 |
| Maryland | 15.6 | 0.0 | 0.0 | 0.0 | 32.9 | 0.0 | 0.0 | 0.0 |
| Massachusetts | 31.3 | 0.1 | 0.6 | 0.9 | 53.8 | 0.1 | 0.3 | 2.9 |
| Michigan | 15.1 | 0.0 | 0.0 | 0.0 | 21.4 | 0.0 | 0.0 | 0.0 |
| Minnesota | 14.5 | 0.0 | 0.3 | 0.9 | 16.9 | 0.0 | 0.1 | 1.0 |
| Mississippi | 21.9 | 0.0 | 0.1 | 0.0 | 30.6 | 0.0 | 0.2 | 0.0 |
| Missouri | 8.6 | 0.0 | 0.0 | 0.0 | 12.5 | 0.0 | 0.0 | 0.0 |
| Montana | 0.8 | 0.1 | 0.0 | 0.3 | 1.6 | 0.3 | 0.1 | 1.3 |
| Nebraska | 17.0 | 0.0 | 0.1 | 0.1 | 23.6 | 0.0 | 0.1 | 0.0 |
| Nevada | 56.4 | 0.0 | 0.1 | 0.0 | 60.1 | 0.0 | 0.2 | 0.0 |
| New Hampshire | 16.1 | 0.0 | 0.0 | 0.0 | 23.9 | 0.0 | 0.0 | 0.0 |
| New Jersey | 35.6 | 0.0 | 0.2 | 0.1 | 50.0 | 0.0 | 0.3 | 0.1 |
| New Mexico | 32.2 | 0.0 | 0.1 | 0.0 | 35.0 | 0.0 | 0.1 | 0.0 |
| New York | 21.6 | 0.1 | 0.0 | 0.0 | 33.9 | 0.2 | 0.0 | 0.0 |
| North Carolina | 17.1 | 0.0 | 0.0 | 0.2 | 21.8 | 0.0 | 0.0 | 1.3 |
| North Dakota | 7.9 | 0.0 | 0.0 | 0.0 | 17.8 | 0.1 | 0.2 | 0.0 |
| Ohio | 13.8 | 0.0 | 0.0 | 1.4 | 19.7 | 0.0 | 0.0 | 1.8 |
| Oklahoma | 11.0 | 0.0 | 0.0 | 0.0 | 14.8 | 0.0 | 0.0 | 0.0 |
| Oregon | 14.5 | 0.0 | 0.3 | 0.0 | 28.8 | 0.0 | 0.1 | 0.0 |
| Pennsylvania | 20.3 | 0.0 | 0.1 | 0.0 | 28.7 | 0.0 | 0.1 | 0.0 |
| Rhode Island | 13.9 | 0.0 | 0.0 | 0.3 | 18.8 | 0.0 | 0.0 | 0.9 |
| South Carolina | 30.1 | 0.0 | 0.4 | 0.5 | 38.4 | 0.0 | 0.3 | 0.8 |
| South Dakota | 1.4 | 0.0 | 0.0 | 9.7 | 6.2 | 0.0 | 0.0 | 8.1 |
| Tennessee | 0.6 | 0.0 | 0.0 | 0.0 | 0.6 | 0.0 | 0.0 | 0.0 |
| Texas | 33.0 | 0.3 | 0.6 | 0.3 | 44.3 | 0.0 | 0.4 | 0.2 |
| Utah | 4.1 | 0.0 | 0.0 | 9.3 | 8.2 | 0.0 | 0.0 | 7.7 |
| Vermont | 30.9 | 0.0 | 0.0 | 1.1 | 45.6 | 0.0 | 0.2 | 0.9 |
| Virginia | 14.0 | 0.0 | 0.2 | 0.0 | 30.0 | 0.0 | 0.1 | 0.0 |
| Washington | 15.7 | 0.0 | 0.1 | 0.0 | 33.0 | 0.4 | 0.1 | 0.0 |
| West Virginia | 30.6 | 0.0 | 0.1 | 5.6 | 35.0 | 4.7 | 0.0 | 6.1 |
| Wisconsin | 9.4 | 0.0 | 0.1 | 0.0 | 10.9 | 0.0 | 0.1 | 0.0 |
| Wyoming | 43.8 | 0.0 | 0.0 | 0.0 | 63.5 | 0.0 | 0.0 | 0.0 |
| U.S. Total | 19.7 | 0.1 | 0.2 | 0.5 | 29.5 | 0.2 | 0.2 | 0.7 |
Page last reviewed: April 13, 2021