Table 2.

Residential status of clinical trial participants at Mayo Clinics in Arizona, Florida, and Midwest

State (participant’s residential address)	Total, no.	Non-geocoded, no.	Geocoded, no.	Geocoding, %	Urban area a , no.	Urban cluster b , no.	Rural, no.	Rural, %
Arizona c	275	9	266	97	229	11	26	10
Florida	356	12	344	97	271	17	56	16
Georgia d	46	6	40	87	17	8	15	38
Minnesota e	1155	25	1130	98	537	218	375	33
Iowa e	235	6	229	97	64	62	103	45
Illinois e	75	2	73	97	43	8	22	30
Wisconsin e	162	5	157	97	41	20	96	61
North Dakota e	40	3	37	93	15	5	17	46
South Dakota e	42	5	37	88	5	11	21	57
All 9 States	2386	73	2313	97	1222	360	731	32

^a Urban area has a population of 50,000 or more.

^b Urban cluster has a population of at least 2500 and less than 50,000.

^c Participants from Arizona only were enrolled in a clinical trial at Mayo Clinic in Arizona.

^d Participants from Georgia were enrolled in a clinical trial at Mayo Clinic in Florida.

^e Participants in these states were enrolled in a clinical trial at Mayo Clinic in the Midwest.