Table 2.

Facility and Patient Sample Sizes and Facility Response Rates

Area	# Facilities Sampled	# Facilities Sampled and Eligible	# Facilities Participating*	% Facilities Participating	Patient Sample Size
CALIFORNIA (rest of state)	68	56	28	69.6	500
LOS ANGELES, CA	25	23	21	91.3	400
SAN FRANCISCO, CA	30	29	24	89.7	400
DELAWARE	21	20	18	90.0	400
FLORIDA	60	49	31	85.7	754
GEORGIA	49	35	25	91.4	400
ILLINOIS (rest of state)	43	34	19	70.6	100
CHICAGO, IL	41	26	19	92.3	400
INDIANA	41	39	23	94.9	400
MASSACHUSETTS	39	38	35	94.7	400
MARYLAND	44	32	19	78.1	348
MICHIGAN	53	40	31	87.5	401
MISSISSIPPI	46	38	23	100.0	400
NORTH CAROLINA	43	36	20	91.7	400
NEW JERSEY	35	20	11	65.0	500
NEW YORK (rest of state)	44	42	33	95.2	200
NEW YORK CITY, NY	34	30	25	83.3	800
OREGON	60	37	23	91.9	400
PENNSYLVANIA (rest of state)	32	26	21	100.0	100
PHILADELPHIA, PA	28	22	20	100.0	400
PUERTO RICO	34	22	17	95.5	400
SOUTH CAROLINA	31	16	14	93.8	400
TEXAS (rest of state)	47	40	27	85.0	400
HOUSTON, TX	25	20	13	65.0	400
VIRGINIA	46	24	18	91.7	400
WASHINGTON	40	34	24	79.4	400
TOTAL	1059	828	582	87.2	10503
			Mean	87.4
			Min	65.0
			Max	100.0
			Median	91.4

^*Includes only facilities with patients sampled.