Ratings of intention to select lower-calorie menu items, by gender (, male; , female) and overall (), according to experimental group (Group 1, no CI or RDCI; Group 2, only CI; Group 3, only RDCI; Group 4, both CI and RDCI), among college students (n 192) from a large, public university in the Southwest USA (CI, calorie information; RDCI, recommended daily calorie intake information)