Table 2. Purely spatial unadjusted high-prevalence diabetes clusters in Florida, 2007 and 2010.

Cluster	Population	Observed cases	Counties included2	No of Counties included	PR1	p-value
			2007
Primary	1,239,259	123,826	9, 35, 69, 83, 97, 107	6	1.29	0.001
Secondary 1	857,484	82,033	3, 19, 23, 31, 47, 125	6	1.23	0.001
Secondary 2	243,828	27,400	5, 13, 39, 63, 77, 129	6	1.45	0.001
Secondary 3	126,678	11,846	53	1	1.21	0.001
			2010
Primary	3,900,382	427,501	27, 49, 55, 57, 61, 69, 93, 95, 97, 105, 111, 117, 127	13	1.26	0.001
Secondary 1	374,678	44,435	13, 39, 59, 63, 73, 77, 129, 133	8	1.36	0.001
Secondary 2	116,875	13,885	113	1	1.37	0.001
Secondary 3	33,972	4,320	79, 123	2	1.46	0.001
Secondary 4	38,710	4,464	43, 51	2	1.33	0.001

¹Prevalence ratio.

²[3 = Baker 5 = Bay 9 = Brevard 13 = Calhoun 19 = Clay 23 = Columbia 27 = Desoto 31 = Duval 35 = Flagler 39 = Gadsden 43 = Glades 47 = Hamilton 49 = Hardee 51 = Hendry 53 = Hernando 55 = Highlands 57 = Hillsborough 59 = Holmes 61 = Indian River 63 = Jackson 69 = Lake 73 = Leon 77 = Liberty 79 = Madison 83 = Marion 93 = Okeechobee 95 = Orange 97 = Osceola 105 = Polk 107 = Putnam 111 = St. Lucie 113 = Santa Rosa 117 = Seminole 123 = Taylor 125 = Union 127 = Volusia 129 = Wakulla].