Fig. 3From: Survival states as indicators of learning performance and biological stress in refugee children: a cross-sectional study with a comparison groupBox-plots and U-values for the refugee group with survival states (rated by educators) as group variable and morning, afternoon and evening values of salivary cortisol (in micrograms/ml) as dependent variables. U = 113, z = − 1.7, p < .05, one-tailed, for evening valuesBack to article page