Home prices fell 1.1 percent nationally in the last four quarters, Freddie Mac said Wednesday.

Its Conventional Mortgage Home Price Index covers homes purchased with conventional mortgages. In the Middle Atlantic region, however, prices rose 1 percent.

On Tuesday, a home price index produced by the Federal Housing Finance Agency, and calculated with information from Fannie Mae- and Freddie Mac-acquired mortgages, showed a 3.1 percent decline over the last four quarters.    - Alan J. Heavens