Table 2.

Linear Regression Models showing the effect of BMI, p-glucose, SBP, DBP and physical activity on each HRV parameter (a) in the non-clinical sample (b) in the clinical sample

	HF	LF	SDNN
	Beta (CI)	Beta (CI)	Beta (CI)
(a) Non-clinical sample
BMI	0.12 (−0.16 to 0.40) ns	−0.19 (−0.47 to 0.09) ns	−0.05 (−0.33 to 0.23) ns
p-glucose	−0.01 (−0.27 to 0.25) ns	0.00 (−0.27 to 0.26) ns	−0.06 (−0.32 to 0.21) ns
SBP	0.06 (−0.26 to 0.38) ns	0.23 (−0.09 to 0.55) ns	0.13 (−0.19 to 0.45) ns
DBP	−0.37 (−0.68 to −0.07)	−0.35 (−0.66 to −0.04)	−0.41 (−0.71 to 0.10)
Physical activity	0.35 (0.09 to 0.61)	0.30 (0.04 to 0.56)	0.31 (0.05 to 0.56)
(b) Clinical sample
BMI	−0.03 (−0.32 to 0.27) ns	−0.25 (−0.53 to 0.03) ns	−0.22 (−0.50 to 0.07) ns
p-glucose	−0.05 (−0.36 to 0.26) ns	0.04 (−0.25 to 0.34) ns	0.07 (−0.24 to 0.37) ns
SBP	−0.12 (−0.49 to 0.26) ns	−0.11 (−0.48 to 0.25) ns	−0.10 (−0.47 to 0.27) ns
DBP	0.02 (−0.37 to 0.41) ns	0.14 (−0.23 to 0.51) ns	0.05 (−0.33 to 0.43) ns
Physical activity	−0.07 (−0.36 to 0.23) ns	−0.12 (−0.40 to 0.16) ns	−0.08 (−0.36 to 0.21) ns