Nutritional status evolution
Concerning BMI, mean changes were, respectively, -1.0 ±5.2%, -0.1±6.0% and -0.7±6.5% for [Y-1-Y0], [Y0-Y+1] and [Y+1-Y+2].
There was no significant difference concerning mean BMI evolution over the 3 periods compared. The results are summarized in Figure 2.