The study evaluated the learning effects generated by long (IL) and short (IC) educational interventions in health eating and physical activity knowledge. 42 teachers from two public elementary schools completed knowledge questionnaires with a 0-10 grade, pre and post-intervention. IL offered a 40 hours course and IC offered a 30 minutes lecture, and both groups received the same printed educational material. The intervention produced a statistically significant (p<0.05) increased in averaged health eating knowledge [IL: +1.19 (SE=0.31) and CI: +1.18 (SE 0.34) points]. In physical activity, change in average knowledge was only statically significant in IL [IL + 1.69 (SE=0.52) and IC -0.36; (SE=0.45) points]. There were significant differences between groups in final notes for physical activity knowledge. Simple educational activities produced positive effects on health eating knowledge however, for physical activity may be necessary longer intervention.
Physical activity; Health eating; Education; School
