Table 1.

Characteristics of the investigated stores

	Store I	Store C
Location	Sub-center of Gosen City	Suburb of Tagami Town
Floor area	2,912 m2	757 m2
Average daily visitors	1,684	1,098
Relative changes in monthly visitors in 2007 from 2006
August	0.984	0.960
September	1.046	1.001
October	1.007	0.995
November	1.051	0.968

Store I intervention store; Store C control store. Both stores belong to the same chain and are located in a city and neighboring town in Niigata Prefecture, Japan