When food calorie content was posted on menu boards at Kaiser Hospital cafeterias, a significant number of patrons altered their food choices, according to a pilot menu labeling study conducted by UC Berkeley researchers.

The results are compelling because the California menu labeling bill (SB 1420), which requires chain restaurants to put calorie counts on menu boards, goes into full effect next year.

In the Kaiser pilot study, more than 500 patrons completed cafeteria exit surveys. Nearly a third of respondents who noticed the calorie information said they changed their food choices as a result. Nearly all of them agreed that calorie information should be available and 80 percent said they felt Kaiser was helping them...