DATA TABLE REVIEW

TABLE 134. Percentage of high school students who ever had sexual intercourse, by sex, sexual identity, and sex of sexual contacts* — selected U.S. sites, Youth Risk Behavior Surveys, 2017

Site

Sex

Total

Sexual identity Sex of sexual contacts

Female Male Heterosexual

(straight) Gay, lesbian, or

bisexual Not sure Opposite sex only Same sex only or

both sexes

% CI† % CI % CI % CI % CI % CI % CI % CI State surveys

Alaska 38.7 (32.9–44.9) 35.3 (30.3–40.6) 36.9 (32.7–41.3) —§ — — — — — — — — —

Arizona 32.3 (27.3–37.8) 35.8 (31.2–40.7) 34.0 (29.8–38.5) 32.7 (28.9–36.8) 46.3 (35.7–57.3) 33.2 (18.9–51.5) — — — —

Arkansas 43.5 (36.8–50.5) 44.8 (36.4–53.6) 44.2 (38.6–49.9) 41.9 (36.6–47.5) 68.1 (55.4–78.5) 14.9 (5.2–35.7) 83.8 (78.9–87.7) 82.0 (61.7–92.8)

California 27.9 (23.1–33.3) 36.6 (30.7–42.9) 32.3 (28.1–36.8) 32.3 (28.0–36.8) 39.5 (29.1–51.0) 12.3 (4.0–32.3) 71.0 (66.1–75.4) 59.9 (49.5–69.4)

Colorado 32.9 (25.9–40.8) 33.8 (28.3–39.7) 33.4 (28.4–38.8) 32.9 (28.0–38.2) 41.8 (32.0–52.4) 23.8 (12.8–39.9) — — — —

Connecticut 32.4 (28.8–36.2) 34.3 (29.9–39.0) 33.3 (30.4–36.4) 32.3 (29.0–35.8) 41.2 (35.1–47.5) 28.6 (20.6–38.2) 66.7 (61.1–71.8) 73.0 (66.1–78.8)

Delaware 43.9 (38.9–48.9) 46.9 (42.6–51.2) 45.4 (41.5–49.4) 45.1 (40.9–49.3) 49.5 (42.1–57.0) 29.3 (18.1–43.5) 79.3 (75.7–82.4) 71.8 (63.0–79.2)

Florida 34.4 (32.3–36.6) 42.0 (39.3–44.7) 38.1 (36.0–40.2) 37.1 (34.9–39.3) 48.4 (44.9–51.9) 32.6 (24.5–41.8) 78.4 (76.0–80.6) 71.3 (65.9–76.2)

Hawaii — — — — — — — — — — — — — — — —

Idaho 34.8 (31.2–38.6) 35.5 (30.5–40.7) 35.1 (31.3–39.0) — — — — — — — — — —

Illinois 37.8 (34.9–40.8) 38.4 (32.2–45.0) 38.0 (33.7–42.5) 37.4 (33.0–42.0) 54.2 (43.5–64.5) 22.6 (15.0–32.4) 76.8 (71.2–81.6) 80.6 (72.2–86.9)

Iowa 45.7 (40.2–51.4) 40.2 (32.2–48.8) 43.1 (38.9–47.4) 41.1 (37.0–45.4) 60.5 (44.7–74.4) 49.6 (26.0–73.3) 80.3 (75.5–84.3) 85.0 (67.7–93.9)

Kansas 35.1 (31.0–39.4) 35.8 (30.3–41.8) 35.4 (31.2–39.9) — — — — — — — — — —

Kentucky 36.5 (31.1–42.2) 40.3 (33.5–47.5) 38.4 (33.2–44.0) 38.3 (32.7–44.1) 44.9 (36.3–53.9) 29.6 (18.6–43.6) 77.2 (71.2–82.3) 74.5 (63.8–82.8)

Louisiana — — — — — — — — — — — — — — — —

Maine 40.0 (37.2–42.8) 37.9 (35.5–40.3) 39.0 (36.7–41.3) 38.6 (36.2–41.1) 46.6 (42.7–50.6) 25.9 (20.4–32.2) 74.3 (72.0–76.5) 73.8 (68.8–78.2)

Maryland 29.7 (28.4–31.0) 33.9 (32.8–35.1) 31.8 (30.7–32.8) 30.8 (29.7–31.9) 41.8 (39.5–44.1) 22.1 (19.8–24.7) — — — —

Massachusetts 34.9 (30.7–39.3) 35.8 (31.7–40.0) 35.3 (31.8–39.1) 35.1 (31.7–38.7) 44.9 (37.3–52.8) 20.8 (12.8–32.1) 73.8 (69.7–77.6) 72.3 (64.5–78.9)

Michigan 39.9 (34.0–46.1) 36.9 (30.0–44.3) 38.3 (32.7–44.3) 37.5 (31.7–43.7) 50.2 (42.8–57.7) 32.8 (23.5–43.8) 73.7 (66.0–80.1) 75.0 (63.5–83.8)

Missouri 42.4 (35.2–50.0) 41.2 (34.9–47.8) 41.9 (36.0–48.0) — — — — — — — — — —

Montana 44.8 (42.0–47.6) 41.6 (38.7–44.5) 43.2 (40.8–45.6) — — — — — — — — — —

Nebraska 28.2 (23.1–33.8) 30.0 (24.4–36.2) 29.1 (24.8–33.8) 28.7 (24.5–33.4) 43.3 (29.7–57.9) 15.0 (6.6–30.8) 69.1 (60.8–76.3) 81.3 (68.6–89.7)

Nevada 35.6 (29.6–42.0) 36.9 (32.0–42.0) 36.2 (32.0–40.7) 34.7 (30.2–39.6) 45.3 (37.0–54.0) 28.0 (16.8–42.8) 78.5 (74.6–82.0) 73.1 (60.6–82.7)

New Hampshire 37.5 (35.3–39.7) 40.0 (37.7–42.4) 38.9 (37.0–40.8) 38.6 (36.5–40.7) 46.1 (42.4–49.8) 27.9 (22.9–33.4) 72.6 (70.6–74.5) 73.9 (69.3–77.9)

New Mexico 36.4 (31.8–41.3) 40.9 (36.6–45.4) 38.6 (34.6–42.8) 37.9 (34.3–41.7) 48.1 (39.9–56.4) 30.7 (21.5–41.8) 81.1 (78.0–83.9) 78.1 (72.1–83.1)

New York 31.6 (28.4–35.1) 29.4 (25.5–33.7) 30.6 (27.4–34.0) 30.3 (26.8–33.9) 39.2 (33.5–45.3) 21.8 (17.6–26.6) 75.8 (72.3–78.9) 67.9 (59.2–75.5)

North Carolina 36.2 (31.3–41.5) 39.3 (33.0–45.8) 37.7 (32.7–43.0) 36.4 (31.5–41.5) 51.8 (41.9–61.6) 33.5 (22.2–47.0) 72.3 (67.1–77.0) 72.4 (64.4–79.2)

North Dakota 36.6 (32.1–41.3) 36.6 (32.4–41.1) 36.6 (32.8–40.6) 36.6 (32.6–40.8) 45.8 (37.7–54.0) 16.3 (9.8–25.9) — — — —

Oklahoma 42.8 (37.5–48.3) 42.9 (38.9–47.0) 42.8 (38.9–46.8) 41.8 (37.5–46.3) 58.3 (50.0–66.1) 41.4 (21.7–64.4) 77.4 (72.9–81.5) 69.6 (52.6–82.5)

Pennsylvania 35.8 (32.5–39.3) 39.5 (35.8–43.3) 37.6 (34.6–40.8) 37.4 (34.5–40.3) 44.8 (34.9–55.2) 20.9 (13.0–31.8) 74.3 (70.3–78.0) 72.3 (61.5–81.1)

Rhode Island 33.3 (26.0–41.4) 38.1 (31.2–45.5) 35.7 (29.9–42.0) 35.4 (29.2–42.1) 43.4 (30.5–57.4) 27.0 (13.6–46.7) 73.4 (65.5–80.0) 75.9 (65.9–83.7)

South Carolina 37.1 (31.6–43.1) 41.1 (35.3–47.2) 39.1 (34.2–44.2) 37.5 (32.3–42.9) 50.3 (39.1–61.6) 37.8 (24.2–53.6) 74.8 (69.3–79.6) 70.9 (58.0–81.2)

Tennessee — — — — — — — — — — — — — — — —

Texas 38.3 (32.2–44.7) 40.3 (35.9–44.9) 39.2 (34.7–44.0) 38.5 (33.6–43.7) 48.5 (41.8–55.2) 30.9 (19.0–45.9) 80.7 (77.4–83.6) 79.8 (73.6–84.9)

Utah — — — — — — — — — — — — — — — —

Vermont — — — — — — — — — — — — — — — —

Virginia — — — — — — — — — — — — — — — —

West Virginia 44.2 (39.0–49.5) 47.7 (41.8–53.7) 45.9 (41.4–50.5) 45.8 (40.8–50.9) 51.1 (40.6–61.5) 31.7 (17.9–49.6) 81.8 (77.7–85.2) 78.2 (64.9–87.4)

Wisconsin 32.1 (28.2–36.4) 34.9 (30.7–39.2) 33.6 (30.3–37.0) 33.7 (30.0–37.6) 34.9 (28.4–42.0) 25.7 (14.9–40.5) 67.9 (63.6–72.0) 67.7 (52.3–80.1)

Median 36.4 38.1 37.7 37.2 46.2 27.9 75.3 73.4

Range 27.9–45.7 29.4–47.7 29.1–45.9 28.7–45.8 34.9–68.1 12.3–49.6 66.7–83.8 59.9–85.0

Site

Sex

Total

Sexual identity Sex of sexual contacts

Female Male Heterosexual

(straight) Gay, lesbian, or

bisexual Not sure Opposite sex only Same sex only or

both sexes

% CI† % CI % CI % CI % CI % CI % CI % CI Large urban school district surveys

Baltimore, MD — — — — — — — — — — — — — — — —

Boston, MA 38.3 (33.9–42.9) 48.1 (42.6–53.7) 43.2 (39.3–47.2) 43.1 (39.1–47.2) 51.0 (41.7–60.2) 30.8 (19.2–45.4) 82.4 (77.9–86.1) 78.7 (69.9–85.4)

Broward County, FL 32.3 (25.3–40.2) 43.0 (34.2–52.2) 37.4 (31.0–44.4) 38.1 (31.3–45.4) 43.3 (28.8–58.9) 19.1 (7.1–42.1) 72.2 (63.3–79.6) 64.5 (46.3–79.3)

Chicago, IL 35.2 (30.2–40.6) 43.8 (38.5–49.2) 39.0 (34.8–43.4) 38.8 (33.9–43.9) 46.5 (36.8–56.4) 21.9 (12.7–35.1) 81.1 (75.8–85.5) 68.0 (56.9–77.4)

Cleveland, OH 45.6 (40.3–50.9) 52.9 (47.4–58.4) 49.2 (45.1–53.4) 49.1 (44.6–53.6) 56.2 (46.7–65.2) 37.1 (23.0–53.9) 85.6 (82.2–88.4) 78.6 (69.2–85.8)

DeKalb County, GA 30.1 (25.4–35.2) 44.0 (39.6–48.5) 36.6 (32.8–40.7) 34.5 (30.6–38.7) 57.6 (48.1–66.5) 28.8 (18.8–41.4) 73.3 (68.9–77.3) 70.3 (60.1–78.9)

Detroit, MI 31.4 (24.6–39.1) 49.8 (42.5–57.1) 39.3 (34.0–44.9) 38.1 (32.7–43.8) 50.8 (38.9–62.6) 23.0 (9.9–44.7) 78.6 (72.5–83.6) 67.9 (57.9–76.5)

District of Columbia 37.5 (35.8–39.2) 54.6 (52.7–56.6) 45.6 (44.3–46.9) 45.6 (44.2–47.1) 50.4 (46.8–53.9) 30.5 (25.0–36.5) 84.3 (82.9–85.6) 73.4 (69.6–76.9)

Duval County, FL 32.7 (29.3–36.3) 41.9 (37.8–46.2) 37.1 (34.0–40.3) 35.0 (31.7–38.4) 52.5 (46.3–58.7) 25.3 (16.7–36.3) 66.6 (62.9–70.1) 67.0 (61.1–72.5)

Ft. Worth, TX 33.3 (30.7–36.0) 42.4 (39.4–45.5) 37.7 (35.6–39.8) 36.9 (34.7–39.2) 49.7 (43.1–56.2) 30.7 (21.9–41.1) 83.5 (81.1–85.6) 80.9 (73.9–86.4)

Houston, TX 30.6 (27.4–34.0) 39.8 (36.2–43.4) 35.0 (32.3–37.9) 33.5 (30.5–36.6) 48.8 (42.5–55.1) 28.7 (20.2–39.0) 81.9 (78.7–84.8) 73.0 (65.9–79.2)

Los Angeles, CA 25.5 (20.3–31.5) 34.3 (28.1–41.1) 30.0 (25.0–35.5) 29.4 (24.4–34.9) 49.4 (34.1–64.8) 14.4 (8.2–24.1) 67.6 (62.3–72.5) 73.4 (55.4–85.9)

Miami-Dade County, FL 37.7 (33.6–42.1) 43.9 (38.5–49.6) 40.8 (36.7–45.0) 40.2 (35.8–44.8) 51.4 (43.3–59.4) 23.9 (13.1–39.6) 79.5 (75.3–83.1) 68.5 (60.1–75.9)

New York City, NY 23.4 (20.5–26.6) 30.5 (26.4–35.1) 26.8 (23.6–30.2) 26.0 (22.4–29.9) 40.2 (35.7–44.9) 21.0 (18.3–24.0) 75.6 (71.0–79.7) 63.3 (56.5–69.5)

Oakland, CA 24.0 (19.7–28.7) 37.4 (32.6–42.4) 30.7 (26.8–34.9) 30.7 (26.7–35.0) 37.8 (29.6–46.8) 17.2 (9.7–28.6) 76.0 (71.1–80.3) 50.1 (38.9–61.2)

Orange County, FL 29.5 (24.7–34.7) 36.6 (31.0–42.7) 33.0 (28.7–37.6) 32.3 (27.7–37.3) 45.5 (35.5–55.8) 16.3 (6.8–34.3) 71.9 (65.5–77.5) 69.4 (57.8–79.0)

Palm Beach County, FL 32.1 (27.6–37.0) 38.3 (34.2–42.7) 35.2 (31.7–38.9) 33.9 (30.0–38.1) 44.1 (37.0–51.4) 38.1 (25.7–52.2) 74.2 (70.2–77.9) 69.6 (60.9–77.1)

Philadelphia, PA 35.7 (28.7–43.4) 45.9 (37.3–54.7) 40.4 (33.6–47.6) 39.6 (32.3–47.3) 48.4 (38.4–58.5) 26.3 (15.0–41.8) 82.2 (76.0–87.1) 73.7 (61.4–83.1)

San Diego, CA 28.6 (24.6–32.9) 33.4 (29.8–37.2) 31.0 (27.7–34.4) 31.1 (27.5–34.9) 38.1 (30.9–46.0) 18.7 (12.1–27.6) 65.3 (60.8–69.6) 60.6 (50.6–69.8)

San Francisco, CA 18.2 (15.1–21.6) 25.4 (22.5–28.4) 21.7 (19.3–24.2) 21.5 (19.0–24.2) 29.4 (20.9–39.6) 10.0 (5.5–17.4) 71.0 (66.8–74.9) 56.4 (44.1–68.0)

Shelby County, TN 37.7 (32.7–42.9) 52.8 (48.7–56.9) 44.4 (40.5–48.4) 44.3 (40.3–48.3) 49.8 (41.0–58.6) 18.2 (7.1–39.4) 80.7 (75.1–85.3) 74.0 (60.4–84.2)

Median 32.2 42.7 37.2 36.0 49.1 23.4 77.3 69.5

Range 18.2–45.6 25.4–54.6 21.7–49.2 21.5–49.1 29.4–57.6 10.0–38.1 65.3–85.6 50.1–80.9

* Students who had no sexual contact are excluded from the analyses by sex of sexual contacts. † 95% confidence interval. § Not available.