Table 3.

Prevalence of myopia (≤ −1 diopter spherical equivalent) by race-ethnicity, gender, and age, NHANES 1999–2004.

	Prevalence and 95% CI* for ages:
	20–39 years	40–59 years	60 years and older	20 years and older	40 years and older
Total	36.2	37.6	20.5	33.1	31.0
	34.2–38.3	35.1–40.1	18.3–22.8	31.5–34.7	29.1–32.9
Males	32.6	36.9	22.8	31.9	31.5
	29.9–35.2	33.9–40.0	20.0–25.4	30.1–33.8	29.2–33.7
Females	39.9	38.2	18.6	34.4	30.7
	37.1–42.8	35.1–42.1	15.5–21.8	32.3–36.4	28.4–32.9
Non–Hispanic	32.0	32.1	17.3	28.6	26.4
black	29.0–35.0	28.1–36.1	13.7–20.9	26.2–31.1	23.2–29.7
Males	32.0	32.1	17.3	26.2	27.3
	29.0–35.0	28.1–36.1	13.7–20.9	23.0–29.4	23.4–31.3
Females	38.2	31.3	16.6	30.6	25.7
	33.7–42.7	26.1–36.5	11.4–21.9	27.5–33.8	21.4–29.9
Non-Hispanic	38.7	40.6	20.7	35.2	33.0
white	36.0–41.4	37.7–43.5	18.1–23.3	33.2–37.3	30.7–35.2
Males	35.1	39.0	23.1	33.8	32.9
	31.8–38.5	35.3–42.6	20.0–26.2	31.6–36.0	30.2–35.5
Females	42.3	42.3	18.6	36.8	33.2
	38.4–46.3	38.6–46.0	15.0–22.0	34.2–39.5	30.3–36.0
Mexican	27.1	26.4	19.6	25.1	23.8
American	23.4–30.7	23.4–29.4	17.3–21.9	23.0–27.2	21.6–26.0
Males	23.9	22.0	22.1	22.8	22.1
	19.5–28.3	18.2–25.9	18.5–25.8	19.9–25.7	19.2–24.9
Females	30.9	31.1	17.3	27.8	25.8
	26.8–35.0	25.9–36.3	13.7–21.0	25.0–30.6	22.2–29.4
Other	35.6	26.8	23.0	29.4	25.4
	30.4–40.8	19.4–34.3	16.3–29.8	25.3–33.6	19.6–31.1
Males	34.6	33.6	23.5	31.6	29.7
	26.4–42.8	22.7–44.4	12.9–34.1	26.1–37.2	21.9–37.5
Females	36.7	22.0	22.7	28.0	22.3
	30.0–43.4	14.7–29.4	12.3–33.2	23.2–32.8	16.3–28.3

^*CI: Confidence interval.