Regression analysis was used to explore the influence of participant
characteristics, regardless of the experimental conditions, on
overall energy intake at lunch and on ad libitum salad intake. In the
two conditions in which the salad was served along with the main
course, McNemar’s test was used to compare the proportions of
participants who ate the salad before starting the main course
(rather than alternating between the two foods). The effect of the
pattern of consuming the salads with the main course was tested
by including it as a factor in a mixed model that compared only
these two conditions. Daily energy requirements of participants
were estimated from their sex, age, height, weight, and activity level
(Institute of Medicine, 2002). Results were considered significant
at p < 0.05 and are reported as mean ± SEM.