TABLE 1.

Clinic-specific Population Characteristics of Family Planning Clinics Reporting ≥3 Years of Data to the Infertility Prevention Project From Chlamydia Tests Conducted Among Women Aged 15 to 24 Years, 2004–2008

	Clinic Percent or Count*
	Mean	Median (Interquartile Range)
Race/ethnicity†
Hispanic	11.7	2.6 (0.4–11.8)
Non-Hispanic black	17.9	5.4 (0.8–25.7)
Non-Hispanic white	63.2	73.2 (37.6–91.5)
Other	3.3	1.0 (0–2.8)
Unknown/missing	3.9	0.2 (0–1.9)
Age group†
15–19 y	45.4	45.3 (38.2–52.1)
20–24 y	54.5	54.7 (47.9–61.8)
NAAT† usage
2004	69.7	100.0 (2.9–100.0)
2005	77.5	100.0 (99.5–100.0)
2006	83.0	100.0 (100.0–100.0)
2007	86.1	100.0 (97.9–100.0)
2008	87.6	100.0 (100.0–100.0)
No. tests	396	250 (123–512)

^*Mean and median of all clinic values.

^†Proportions.

NAAT indicates nucleic acid amplification test.