Behavioural, psychological, and physiological stress markers and academic performance in immigrant and non-immigrant preschool and school students.

• No differences in behavioural, psychological, and physiological stress markers or academic performance between students with immigrant parents and students with non-immigrant parents. • There were no differences in behaviour detected that might impact their overall performance, nutritional habits, or physical activity registered. The aim of this study was to analyse the differences in behavioural, psychological, and physiological stress markers and academic performance of immigrant parents' students and non-immigrant parents' students. 75 students (7.8±2.3 years, from 3 to 12 years), 37 from Morocco immigrant families and 38 from Spanish families, all of them studying in a Spanish public school were recruited. We analysed the autonomical nervous system stress status by the heart rate variability, physical activity patterns, nutritional habits, state and trait anxiety, and academic performance of students. No significant differences were found in autonomical nervous system stress markers, physical activity levels, academic performance, and just a lower protein animal consumption from students with Moroccan families. Students with North African descendent family presented a behavioural, psychological and physiological stress markers and academic performance similar than students with national origins, showing their adaptation in the school context. [ABSTRACT FROM AUTHOR]