Table 3.

Hierarchical multiple regression model for five-week somatisation increase.

	Somatisation Increase
	Step 1	Step 2		Step 3
Independent Variable	β	β		β
Intercept	0.003	−0.002		−0.012
TST uptrend	−0.051	−0.024		−0.058
MVPA uptrend	−0.169	−0.224		−0.226
Alcohol use uptrend	−0.191	−0.091		−0.107
HRV uptrend		−0.054		−0.038
HRVsd uptrend		0.530	**	0.443	*
HRV uptrend * HRVsd uptrend				−0.407	*
R2	0.061	0.234		0.315
Adjusted R2	−0.004	0.141		0.213
F	0.931	2.508	*	3.069	*
ΔR2		0.173		0.081
ΔF		1.577		0.561

Note. N = 47; ** p < 0.01, * p < 0.05, p < 0.1; HRV: Heart Rate Variability; HRVsd: Heart Rate Variability, 7-day rolling standard deviation; TST: Total Sleep Time; MVPA: Moderate-to-Vigorous Physical Activity.