BioMed Research International / 2015 / Article / Tab 3

Research Article

Heart Rate Variability in Shift Workers: Responses to Orthostatism and Relationships with Anthropometry, Body Composition, and Blood Pressure

Table 3

Spearman correlation coefficients (Rho) between heart rate variability measures (supine position) and age, anthropometric, body composition, and clinical variables.

Variables

Age−0.04
Anthropometric
 Body mass index (kg/m²)0.05
 Waist circumference (cm)0.05
 Neck circumference (cm)0.04
 Waist-to-hip ratio 0.05
 Waist-to-height ratio0.05
Body composition
 Total body fat (%)0.03
 Total body fat (kg)0.03
 Visceral fat area (cm²)0.04
Clinical
 Systolic blood pressure (mmHg)
 Diastolic blood pressure (mmHg)

, natural logarithm of power in the high frequency range; , natural logarithm of the heart rate; , natural logarithm of power in the low frequency range; , natural logarithm of the ratio LF (ms²)/HF (ms²); , natural logarithm of the root mean square of successive RR interval differences; represents .