Bibian van der Voorn

186 CHAPTER 11 28 Morin-Major, J. K. et al. Facebook behaviors associated with diurnal cortisol in adolescents: Is befriending stressful? Psychoneuroendocrinology 63 , 238-246(2016). 29 Martikainen, S. et al. Higher levels of physical activity are associated with lower hypothalamic-pituitary- adrenocortical axis reactivity to psychosocial stress in children. J Clin Endocrinol Metab 98 , E619-627 (2013). 30 Rosmalen, J. G. et al. Determinants of salivary cortisol levels in 10-12 year old children; a population-based study of individual differences. Psychoneuroendocrinology 30 , 483-495(2005). 31 Fransson, E., Folkesson, L., Bergstrom, M., Ostberg, V. & Lindfors, P. Exploring salivary cortisol and recurrent pain in mid-adolescents living in two homes. BMC Psychol 2 , 46(2014). 32 Kelly, S. J., Young, R., Sweeting, H., Fischer, J. E. & West, P. Levels and confounders of morning cortisol collected from adolescents in a naturalistic (school) setting. Psychoneuroendocrinology 33 , 1257-1268(2008). 33 Ruttle, P. L. et al. Concurrent and longitudinal associations between diurnal cortisol and body mass index across adolescence. J Adolesc Health 52 , 731-737(2013). 34 Shirtcliff, E. A. et al. Longitudinal stability and developmental properties of salivary cortisol levels and circadian rhythms from childhood to adolescence. Dev Psychobiol 54 , 493-502 (2012). 35 Vaillancourt, T. et al. Variation in hypothalamic-pituitary- adrenal axis activity among bullied and non-bullied children. Aggress Behav 34 , 294-305 (2008). 36 Bae, Y. J. et al. The hyporeactivity of salivary cortisol at stress test (TSST-C) in children with internalizing or externalizing disorders is contrastively associated with alpha-amylase. J Psychiatr Res 71 , 78-88 (2015). 37 Netherton, C., Goodyer, I.,Tamplin, A. & Herbert, J. Salivary cortisol and dehydroepiandrosterone in relation to puberty and gender. Psychoneuroendocrinology 29 , 125-140 (2004). 38 Kuhlman, K. R., Geiss, E. G., Vargas, I. & Lopez-Duran, N. L. Differential associations between childhood trauma subtypes and adolescent HPA axis functioning. Psychoneuroendocrinology 54 , 103-114(2015). 39 Matchock, R. L., Dorn, L. D. & Susman, E. J. Diurnal and seasonal cortisol, testosterone, and DHEA rhythms in boys and girls during puberty. Chronobiol Int 24 , 969- 990(2007). 40 Bright, M. A., Frick, J. E., Out, D. & Granger, D. A. Individual differences in the cortisol and salivary alpha-amylase awakening responses in early childhood: relations to age, sex, and sleep. Dev Psychobiol 56 , 1300-1315(2014). 41 Bouma, E. M., Riese, H., Ormel, J., Verhulst, F. C. & Oldehinkel, A. J. Adolescents’ cortisol responses to awakening and social stress; effects of gender, menstrual phase and oral contraceptives. The TRAILS study. Psychoneuroendocrinology 34 , 884-893(2009). 42 Dietrich, A. et al. Cortisol in the morning and dimensions of anxiety, depression, and aggression in children from a general population and clinic-referred cohort: An integrated analysis. The TRAILS study. Psychoneuroendocrinology 38 , 1281-1298(2013). 43 Hatzinger, M. et al. Hypothalamic-pituitary-adrenocortical (HPA)activity in kindergarten children: importance of gender and associations with behavioral/emotional difficulties. J Psychiatr Res 41 , 861-870(2007). 44 Pruessner, J. C. et al. Free cortisol levels after awakening: a reliable biological marker for the assessment of adrenocortical activity. Life Sci 61 , 2539-2549(1997). 45 Evans, B. E. et al. Determinants of physiological and perceived physiological stress reactivity in children and adolescents. PLoS One 8 , e61724(2013). 46 Bouma, E. M. et al. No associations between single nucleotide polymorphisms in corticoid receptor genes and heart rate and cortisol responses to a standardized social stress test in adolescents: the TRAILS study. Behav Genet 41 , 253-261(2011). 47 Kudielka, B. M., Buske-Kirschbaum, A., Hellhammer, D. H. & Kirschbaum, C. HPA axis responses to laboratory psychosocial stress in healthy elderly adults, younger adults, and children: impact of age and gender. Psychoneuroendocrinology 29 , 83-98 (2004). 48 Dockray, S., Susman, E. J. & Dorn, L. D. Depression, cortisol reactivity, and obesity in childhood and adolescence. J Adolesc Health 45 , 344-350(2009). 49 Strahler, J., Mueller, A., Rosenloecher, F., Kirschbaum, C. & Rohleder, N. Salivary alpha-amylase stress reactivity across different age groups. Psychophysiology 47 , 587- 595(2010). 50 Peckins, M. K., Dockray, S., Eckenrode, J. L., Heaton, J. & Susman, E. J. The longitudinal impact of exposure to violence on cortisol reactivity in adolescents. J Adolesc Health 51 , 366-372(2012). 51 Portnoy, J. et al. Digit ratio (2D:4D) moderates the relationship between cortisol reactivity and self-reported externalizing behavior in young adolescent males. Biol Psychol 112 , 94-106(2015). 52 Hostinar, C. E., McQuillan, M. T., Mirous, H. J., Grant, K. E. & Adam, E. K. Cortisol responses to a group public speaking task for adolescents: variations by age, gender, and race. Psychoneuroendocrinology 50 , 155-166(2014).