Skip to main content
. Author manuscript; available in PMC: 2013 Jul 17.
Published in final edited form as: Psychophysiology. 2009 Feb 17;46(3):458–465. doi: 10.1111/j.1469-8986.2009.00793.x

Table 5.

Heritability Estimates of Best-Fitting Bivariate Models for Heart Rate Variability Parameters

RMSSD HF
Rest level h2 (CI) .48 (.36–.58) .50 (.39–.60)
e2 (CI) .52 (.42–.64) .50 (.40–.61)
Stress level h2 (CI) .58 (.48–.66) .58 (.48–.66)
e2 (CI) .42 (.34–.52) .42 (.34–.52)
Rest and stress rg (CI) .90 (.82–.98) .78 (.67–.88)
re (CI) .51 (.40–.61) .39 (.26–.50)
Stress-specific h2 (CI) .11 (.03–.19) .23 (.13–.32)
e2 (CI) .31 (.25–.38) .36 (.29–.44)
Reactivity h2 (CI) .18 (.04–.31) .49 (.37–.59)
e2 (CI) .82 (.69–.96) .51 (.41–.63)

RMSSD: root mean square of successive difference; HF: high frequency.