Abbreviations: CI = confidence interval, STD = sexually transmitted disease.
* Controlling for metropolitan statistical area (MSA), sex, race/ethnicity, age group, education level, employment status, annual household income, homeless status, crack cocaine use, exchange sex partner, and STD diagnosis.
† All persons who reported Hispanic ethnicity were classified as Hispanic and might be of any race.
§ Includes Alaska Native, American Indian, Asian, Pacific Islander, and multiracial.
¶ Northeast: Boston, Massachusetts; Nassau/Suffolk counties, New York; New Haven, Connecticut; New York, New York; Newark, New Jersey; and Philadelphia, Pennsylvania. South: Atlanta, Georgia; Baltimore, Maryland; Dallas, Texas; Fort Lauderdale, Florida; Houston, Texas; Miami, Florida; New Orleans, Louisiana; and Washington, DC. Midwest: Chicago, Illinios; Detroit, Michigan; and St. Louis, Missouri. West: Denver, Colorado; Las Vegas, Nevada; Los Angeles, California; San Diego, California; San Francisco, California; and Seattle, Washington. Territories: San Juan, Puerto Rico.
** Excluded because of colinearity with MSA.
†† Includes homemaker, retired, and student.
§§ Information available at www.census.gov/hhes/www/poverty/data/threshld/thresh07.html.
¶¶ Excluded because of colinearity with annual household income.
*** During the 12 months before interview.
††† Exchanged sex for things like money or drugs.
§§§ Numbers might not add to column totals because of missing data and responses of "don't know" or "refused."