Table 4 Open in new tab Linear multiple...

		ImdHRVi
Intercept	0.266	0.061	0.148-0.381		4.37^b
Age	−0.001	0.001	−0.003-0.002	−0.06	−0.98
Gender (0 = female, 1 = male)	0.027	0.011	0.006-0.047	0.16	2.54^a
Smoking (0 = no, 1 = yes)	−0.001	0.015	−0.029-0.028	−0.004	−0.07
Regular physical activity (0 = no, 1 = yes)	0.007	0.011	−0.014-0.027	0.04	0.66
BMI (kg/m²)	−0.002	0.002	−0.006-0.002	−0.07	−1.04
NPSS total score	0.033	0.012	0.011-0.056	0.18	2.83^b

		ImdHRVi
Intercept	0.266	0.061	0.148-0.381		4.37^b
Age	−0.001	0.001	−0.003-0.002	−0.06	−0.98
Gender (0 = female, 1 = male)	0.027	0.011	0.006-0.047	0.16	2.54^a
Smoking (0 = no, 1 = yes)	−0.001	0.015	−0.029-0.028	−0.004	−0.07
Regular physical activity (0 = no, 1 = yes)	0.007	0.011	−0.014-0.027	0.04	0.66
BMI (kg/m²)	−0.002	0.002	−0.006-0.002	−0.07	−1.04
NPSS total score	0.033	0.012	0.011-0.056	0.18	2.83^b

Table 4

Linear multiple regression predicting ImdHRVi by sociodemographic variables and psychological safety. CIs were obtained via 1000 Bootstrap samples.

Predictors	Estimates	SE	CI (95%)	β	t
		ImdHRVi
Intercept	0.266	0.061	0.148-0.381		4.37^b
Age	−0.001	0.001	−0.003-0.002	−0.06	−0.98
Gender (0 = female, 1 = male)	0.027	0.011	0.006-0.047	0.16	2.54^a
Smoking (0 = no, 1 = yes)	−0.001	0.015	−0.029-0.028	−0.004	−0.07
Regular physical activity (0 = no, 1 = yes)	0.007	0.011	−0.014-0.027	0.04	0.66
BMI (kg/m²)	−0.002	0.002	−0.006-0.002	−0.07	−1.04
NPSS total score	0.033	0.012	0.011-0.056	0.18	2.83^b

Predictors	Estimates	SE	CI (95%)	β	t
		ImdHRVi
Intercept	0.266	0.061	0.148-0.381		4.37^b
Age	−0.001	0.001	−0.003-0.002	−0.06	−0.98
Gender (0 = female, 1 = male)	0.027	0.011	0.006-0.047	0.16	2.54^a
Smoking (0 = no, 1 = yes)	−0.001	0.015	−0.029-0.028	−0.004	−0.07
Regular physical activity (0 = no, 1 = yes)	0.007	0.011	−0.014-0.027	0.04	0.66
BMI (kg/m²)	−0.002	0.002	−0.006-0.002	−0.07	−1.04
NPSS total score	0.033	0.012	0.011-0.056	0.18	2.83^b

^aP < .05,

^bP < .01. Significant effects are printed in bold. NPSS, neuroception of psychological safety scale.²¹