Table 1.

Definition of the U.S. regions

U.S. region	U.S. states
Region 1 (Northeast)	Connecticut; Maine; Massachusetts; New Hampshire; Rhode Island; Vermont; New Jersey; New York; Pennsylvania
Region 2 (Midwest)	Indiana; Illinois; Michigan; Ohio; Wisconsin; Iowa; Nebraska; Kansas; North Dakota; Minnesota; Missouri; South Dakota
Region 3 (South)	Delaware; District of Columbia; Florida; Georgia; Maryland; North Carolina; South Carolina; Virginia; West Virginia; Alabama; Kentucky; Mississippi; Tennessee; Arkansas; Louisiana; Oklahoma; Texas
Region 4 (West)	Arizona; Colorado; Idaho; New Mexico; Montana; Utah; Nevada; Wyoming; Alaska; California; Hawaii; Oregon; Washington