Table 2. Sexual Behavior of Students Who Participated in the San Diego Youth Risk Behavior Survey, 1993–2005.

	Survey Year 1993	Survey Year 1995	Survey Year 1997	Survey Year 1999	Survey Year 2001	Survey Year 2003	Survey Year 2005	Total
Sexual Behavior	N = 1788 % (95% CI)	N = 1997 % (95% CI)	N = 2413 % (95% CI)	N = 1715 % (95% CI)	N = 1814 % (95% CI)	N = 1811 % (95% CI)	N = 1695 % (95% CI)	N = 13,233 % (95% CI)
Ever had sexual intercourse in lifetime
White	43.2% (37.8–48.8)	42.1% (36.1–48.3)	37.1% (31.7–42.8)	29.9% (23.2–37.5)	32.7% (25.8–40.2)	36.8% (29.3–45.0)	38.5% (30.9–46.7)	37.2% (34.7–39.7)
Asian/Pacific Islanders	30.6% (24.7–37.2)	32.4% (27.3–38.0)	39.3% (35.0–43.9)	29.8% (23.9–36.3)	30.8% (23.0–39.8)	27.8% (22.4–33.8)	31.4% (25.4–38.2)	32.3% (30.0–34.6)
Hispanic	47.9% (40.6–55.3)	49.9% (44.1–55.7)	48.8% (44.6–53.0)	44.8% (38.5–51.2)	42.0% (37.9–46.2)	44.3% (38.6–50.2)	42.2% (37.0–47.7)	44.9% (42.6–47.3)
African American	67.9% (61.3–73.8)	62.8% (55.8–69.3)	61.8% (55.4–67.9)	53.4% (44.3–62.3)	44.4% (34.7–54.6)	47.2% (39.3–55.2)	49.7% (40.5–58.9)	54.9% (51.5–58.2)
Used condom during last sexual intercourse
White	54.8% (49.1–60.5)	49.0% (41.9–56.2)	54.1% (49.0–59.2)	61.4% (52.3–69.7)	67.1% (58.1–75.0)	61.3% (52.9–69.0)	64.6% (56.6–71.6)	58.6% (55.8–61.3)
Asian/Pacific Islanders	48.9% (40.8–57.2)	44.7% (35.7–54.1)	44.0% (36.1–52.3)	52.9% (43.0–62.5)	53.0% (39–66.6)	52.3% (41.6–72.7)	54.4% (43.1–65.3)	48.9% (44.9–52.8)
Hispanic	41.2% (34.0–48.8)	51.4% (44.8–58.0)	49.1% (43.0–55.2)	59.1% (53.4–64.7)	52.2% (43.8–60.5)	61.7% (55.1–67.9)	61.6% (55.8–67.1)	55.2% (52.5–57.9)
African American	52.6% (41.1–63.8)	59.2% (48.2–69.4)	65.5% (59.4–71.2)	71.3% (61.0–79.8)	67.4% (53.4–78.9)	73.8% (63.4–82.1)	73.1% (63.4–81.0)	65.7% (61.9–69.3)

CI = Confidence interval.