Not exact matches
Design, Setting, and Participants This descriptive,
longitudinal study examined changes in the
nutritional quality of 1741630 school meals at 3 middle schools and 3 high schools in an urban school district in Washington state.
This
longitudinal study in 3 middle schools and 3 high schools in a large, urban US school district in Washington state compared the
nutritional quality of student school lunch food selections before and after the implementation of the new National School Lunch Program meal standards.
This descriptive,
longitudinal study examined changes in the
nutritional quality of 1741630 school meals at 3 middle schools and 3 high schools in an urban school district in Washington state.
Not only that, but from an epidemiological perspective, the China
Study is considered weak evidence by many
nutritional scientists — it was ecological and cross-sectional, rather than
longitudinal and individual person - based.