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. Author manuscript; available in PMC: 2017 May 1.
Published in final edited form as: Biol Psychol. 2016 Feb 20;117:43–49. doi: 10.1016/j.biopsycho.2016.02.007

Table 2.

Differences between social support condition and no social support condition in HRV for genotype groups.

Variable GG (n = 10) AG (n = 10) AA (n = 20)
Aggregated HRV level (AUC): preparation −5155 (1565.5) −5251 (1707.9) −535 (737.9)
Aggregated HRV level (AUC): acute stress −6995 (2893.8) −4871 (2309.4) −1184 (1317.3)

Note. Values are mean (SEM). Areas under the individual response curves (AUC) aggregate the four HRV levels during direct social interaction (preparation) and the eight HRV levels during the mock job interview period of the TSST (acute stress). Negative values represent a relative decrease in HRV (i.e. a protective effect of social support).