AIDS (Acquired Immune Deficiency Syndrome) An HIV-infected person receives a diagnosis of AIDS after the development of an AIDS-defining condition or on the basis of the results of specific blood tests (i.e., CD4 lymphocyte count of less than 200, a CD4 percentage of total lymphocytes of lass than 14). A positive HIV test result does not mean that a person has AIDS.

AGE Age refers to age at diagnosis. Ages are combined into specific age ranges. Queries may be conducted on one or more age ranges. If all ages are selected, unknown ages are included.

COUNTY The county variable tells the person's county of residence at diagnosis. If the county of residence was not known, it is reported as "Unknown." Only Oklahoma residents are included in the datasets. Queries may be conducted on all counties or selected counties.

METROPOLITAN STATISTICAL AREAS (MSAs) The MSA variable tells the person's MSA of residence at diagnosis. MSA refers to geographical region with a high population density at its core and high degree of economic ties throughout the area.

REGION The region variable tells the person's region of residence at diagnosis.
Region Counties
Central Cleveland, Oklahoma
Northeast Adair, Cherokee, Craig, Creek, Delaware, Kay, Lincoln, Mayes, Muskogee, Noble, Nowata, Okfuskee, Okmulgee, Osage, Ottawa, Pawnee, Payne, Rogers, Sequoyah, Wagoner, Washington
Northwest Alfalfa, Beaver, Blaine, Canadian, Cimarron, Custer, Dewey, Ellis, Garfield, Grant, Harper, Kingfisher, Logan, Major, Roger Mills, Texas, Woods, Woodward
Southeast Atoka, Bryan, Choctaw, Coal, Haskell, Hughes, Johnston, Latimer, LeFlore, Marshall, McCurtain, McIntosh, Murray, Pittsburg, Pontotoc, Pottawatomie, Pushmataha, Seminole
Southwest Beckham, Caddo, Carter, Comanche, Cotton, Garvin, Grady, Greer, Harmon, Jackson, Jefferson, Kiowa, Love, McClain, Stephens, Tillman, Washita
Tulsa Tulsa

HIV Diagnosis Persons diagnosed with Human Immunodeficiency Virus (HIV) infection in a given time period, including those diagnosed with AIDS during the same time period. Note that the number of persons diagnosed with HIV in a given time period differs from the number of persons infected with HIV in a given time period (i.e., HIV incidence). HIV is the virus which causes AIDS. HIV is a virus that kills the body’s CD4 cells. CD4 cells help a body fight off infection and disease.

Mode of Transmission The term for summarizing multiple behaviors or situations by selecting the one most likely to have resulted in HIV transmission according to a hierarchy created by Centers for Disease Control and Prevention (CDC). For surveillance purposes, persons with more than one reported transmission category are classified in the mode of transmission listed first in the hierarchy and therefore counted only once, except for men who report both sexual contact with other men and injection drug use; this group makes up a separate transmission category (MSM/IDU).

Following is a description of the transmission categories in the hierarchical order:

RACE/ETHNICITY A sociological designation, identifying a class sharing some outward physical characteristics and some commonalities of culture and history. For HIV reports, race is categorized as White—Non Hispanic, Black—Non Hispanic, American Indian/Alaska Native—Non Hispanic, Asian/Pacific Islander—Non Hispanic, Multi Race (Two or More Races)—Non Hispanic, or Hispanic—All Races. All persons with Hispanic ethnicity, regardless of race, are categorized as Hispanic (i.e., If a person is reported as Black and Hispanic, they are analyzed as Hispanic).

SEX AT BIRTH A person’s assigned sex at birth. Queries may be conducted on males only, females only, or both sexes combined.

YEAR The year variable tells the year the person was diagnosed with the disease of interest. Information may be queried on individual years or on a combination of years.

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