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. Author manuscript; available in PMC: 2017 Dec 15.
Published in final edited form as: Biol Psychol. 2016 Feb 2;117:16–25. doi: 10.1016/j.biopsycho.2016.01.015

Fig. 1.

Fig. 1

Simple slopes interpretation of significant inter-relations. Higher sympathovagal modulation and higher cortisol awakening response associated with greater perceived stress. In the panels, (A) higher LF and higher AUCAG ; (B) higher LF and higher maximum cortisol; (C) higher LF/HF ratio and higher AUCI ; and, (D) higher LF/HF ratio and higher maximum cortisol, associated with higher perceived stress. Data were dichotomized (mean ± 1 SD) for interpretation purposes only; continuous data were retained in analyses.