Correlation between health-related quality of life in the physical domain and heart rate variability in asymptomatic adults

Table 2 Factors associated with resting HRV indices among all participants

	Mean RR intervals	Var	VLF	LF	HF	LF/HF
Sex(women/men)^a	0.07	0.18	0.06	0.24*	0.18	0.07
Age^b	0.02	−0.45*	−0.31*	−0.45*	−0.50*	0.15
BMI^b	0.08	0.09	0.07	0.09	0.05	0.06
Physical activity^b	0.07	0.14	0.09	0.15	0.12	0.09
Alcohol use^b	0.02	−0.06	−0.08	−0.12	−0.05	−0.08
SBP^b	−0.01	−0.02	0.21*	0.00	0.01	−0.01
DBP^b	0.03	0.04	0.10	0.03	0.05	−0.03
BDI scores^b	−0.15	−0.14	−0.15	0.05	−0.17	0.15
BAI scores^b	−0.09	−0.19*	−0.02	−0.22*	−0.15	−0.07
WHOQOL-BREF Taiwan version
Scores of physical health domain^b	0.16	0.44*	0.37*	0.35*	0.30*	0.03
Scores of psychological domain^b	−0.01	0.12	0.15	0.08	0.08	−0.02
Scores of social relationships domain^b	0.05	0.11	0.12	0.12	0.04	0.06
Scores of environmental domain^b	0.04	0.05	0.05	−0.00	−0.01	0.02

Abbreviations: BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure, Var total variance [ln(ms2)], VLF, very low-frequency power [ln(ms2)], LF low frequency power [ln(ms2)], HF high frequency power [ln(ms2)], LF/HF ratio of LF to HF [ln(ratio)], BDI Beck Depression Inventory; BAI Beck Anxiety Inventory, WHOQOL-BREF World Health Organization Questionnaire on Quality of Life: Short Form-Taiwan version
^aPoint-biserial correlations; first category in parenthesis is the reference group
^bProduct-moment correlations
* p < 0.00064; with a Bonferroni correction, only correlations with p < 0.00064 were considered significant

ISSN: 1477-7525