. Author manuscript; available in PMC: 2014 Sep 1.

Published in final edited form as: Int J Cardiol. 2012 Jun 16;167(5):2102–2107. doi: 10.1016/j.ijcard.2012.05.110

Table 5.

Linear regression analyses of n-3 fatty acids as predictors of heart rate variability in low- and high-physical activity groups

Independent variable	Dependent variable	Low Physical activity		High Physical activity
Independent variable	Dependent variable	β	p	β	p
EPA+DHA	SDNN	−0.040	0.64	0.250	0.003
	RMSSD	−0.026	0.75	0.257	0.002
	High frequency power	−0.100	0.15	0.157	0.03
DHA	SDNN	−0.077	0.36	0.263	0.002
	RMSSD	−0.065	0.42	0.260	0.002
	High frequency power	−0.119	0.08	0.155	0.04

Covariates were age, race, and sex in all models.