DATA TABLE REVIEW

TABLE 135. Percentage of high school students who had sexual intercourse for the first time before age 13 years, by sex, race/ethnicity, grade, sexual identity, and sex of sexual contacts* — United States, Youth Risk Behavior Survey, 2017

Category

Sex

Total Female Male

% CI† % CI % CI Total 2.0 (1.6–2.5) 4.8 (4.0–5.7) 3.4 (3.0–3.9)

Race/Ethnicity

White§ 1.8 (1.2–2.5) 2.3 (1.7–3.2) 2.1 (1.7–2.6)

Black§ 2.5 (1.4–4.5) 12.8 (9.7–16.7) 7.5 (5.9–9.5)

Hispanic 1.9 (1.2–3.1) 6.0 (4.9–7.2) 4.0 (3.3–4.7)

Grade

9 2.2 (1.4–3.5) 5.7 (4.3–7.7) 4.1 (3.2–5.2)

10 2.2 (1.4–3.4) 4.6 (3.4–6.1) 3.4 (2.6–4.4)

11 1.2 (0.6–2.4) 3.5 (2.6–4.5) 2.3 (1.8–2.9)

12 1.9 (1.3–2.9) 5.1 (3.9–6.6) 3.5 (2.8–4.4)

Sexual identity

Heterosexual (straight) 1.3 (0.9–1.8) 4.6 (3.8–5.6) 3.0 (2.5–3.7)

Gay, lesbian, or bisexual 5.2 (3.6–7.4) 8.1 (4.5–14.1) 6.1 (4.6–8.0)

Not sure 2.5 (1.2–5.3) 4.6 (2.1–9.8) 4.1 (2.5–6.4)

Sex of sexual contacts

Opposite sex only 2.8 (2.0–4.0) 8.4 (7.0–10.0) 5.8 (4.9–7.0)

Same sex only or both sexes 8.2 (6.1–11.1) 17.5 (10.3–28.0) 10.5 (8.0–13.7)

* Students who had no sexual contact are excluded from the analyses by sex of sexual contacts. † 95% confidence interval. § Non-Hispanic.