TABLE 1.

Distribution of population characteristics and corrective lens use in the weighted 1 998 Medical Panel Expenditure sample

	Population Characteristic		Corrective Lens Use
	Percentage	95% Confidence Interval	Percentage	95% Confidence Interval
Age
6-11 yr	46.7	45.0-48.4	15.8	13.7-17.8
12-14 yr	21.8	20.6-23.1	30.8	27.5-34.0
15-18 yr	31.5	29.8-33.2	36.0	32.8-39.1
Gender
Male	50.6	49.0-52.2	22.4	20.4-24.5
Female	49.4	47.8-51.0	28.5	26.1-30.8
Race/ethnicity
Hispanic	14.6	13.0-16.5	20.9	18.0-23.8
Non-Hispanic black	16.0	13.7-18.5	20.5	17.0-24.0
Nonblack/non-Hispanic	69.4	66.7-72.0	27.5	25.2-29.7
Health insurance
Uninsured	10.7	9.4-12.2	22.6	17.3-27.8
Public only	17.7	15.6-19.9	19.7	16.4-23.0
Any private	71.6	69.1-74.0	27.2	25.4-29.1
Family income
<200% of the federal poverty level	37.0	34.5-39.6	19.3	16.9-21.7
≥200% of the federal poverty level	63.0	60.4-65.5	29.0	26.8-31.2