^a This table is based on a composite measure of HIV risk as defined in Advance Data reports #363 and #377 (HIVRISK2=1). The statistics in this table represent 6.55 million women and 7.81 million men (ages 15-44) who fulfilled the definition for HIVRISK2=1. A survey respondent was coded HIVRISK2=1 if she/he reported any of the following in the 12 months before interview: crack cocaine or illicit intravenous drug use, five or more opposite-sex sexual partners, any same-sex partners (if R is male), an intravenous drug use partner, a male partner who has had sex with males (if R is female), an HIV-positive partner, exchange of sex for money or drugs, treatment for sexually transmitted disease.

^b Negative/poor refers to household incomes below the Federal poverty line; near poor/low, over the poverty line to just below 200 percent of the poverty line; middle, 200 percent to just below 400 percent of the poverty line; and high, 400 percent of the poverty line and over.

Key: MSA: metropolitan statistical area; SCHIP: State Children's Health Insurance Program; SE: standard error.

Source: Centers for Disease Control and Prevention, National Center for Health Statistics, National Survey of Family Growth.