. 2021 Mar 26;320(5):H2058–H2065. doi: 10.1152/ajpheart.00023.2021

Table 2.

Hierarchical regression models predicting time 2 mean arterial pressure for full sample and stratified by ethnicity

	b	t	P	r	r_partial	b	t	P	r	r_partial	b	t	P	r	r_partial
A: Full sample	Model 1 (R² = 0.191)					Model 2 (R²_change = 0.191)					Model 3 (R²_change = 0.018)
Age _T1	0.148	3.04	0.003	0.218	0.154	0.053	1.22	0.223	0.218	0.063	0.033	0.75	0.452	0.218	0.039
Sex	−0.208	−4.32	<0.001	−0.146	−0.217	−0.106	−2.46	0.014	−0.146	−0.126	−0.111	−2.59	0.010	−0.146	−0.133
Ethnicity	0.315	6.47	<0.001	0.330	0.316	0.168	3.76	<0.001	0.330	0.190	0.181	4.08	<0.001	0.330	0.206
BMI _T1	0.094	1.88	0.061	0.170	0.096	0.123	2.81	0.005	0.170	0.143	0.119	2.76	0.006	0.170	0.141
Father’s education _T1	−0.032	−0.66	0.511	−0.147	−0.034	−0.015	−0.34	0.734	−0.147	−0.017	−0.015	−0.36	0.719	−0.147	−0.019
Smoking _T1	0.049	1.02	0.307	0.078	0.053	0.011	0.25	0.800	0.078	0.013	0.005	0.13	0.899	0.078	0.007
MAP _T1						0.484	10.81	<0.001	0.571	0.486	0.472	10.66	<0.001	0.571	0.482
HF-HRV _T1											−0.137	−3.35	0.001	−0.184	−0.170
B: EAs	Model 1 (R² = 0.092)					Model 2 (R²_change = 0.140)					Model 3 (R²_change = 0.039)
Age _T1	0.030	0.38	0.703	0.078	0.029	−0.032	−0.44	0.657	0.078	−0.034	−0.055	−0.76	0.446	0.078	−0.058
Sex	−0.222	−2.96	0.003	−0.184	−0.220	−0.086	−1.17	0.243	−0.184	−0.089	−0.094	−1.31	0.193	−0.184	−0.100
BMI _T1	0.203	2.52	0.013	0.195	0.189	0.224	3.01	0.003	0.195	0.224	0.207	2.83	0.005	0.195	0.212
Father’s education _T1	−0.056	−0.73	0.464	−0.101	−0.056	−0.040	−0.56	0.573	−0.101	−0.043	−0.052	−0.76	0.447	−0.101	−0.058
Smoking _T1	0.036	0.49	0.623	0.091	0.037	0.005	0.07	0.947	0.091	0.005	−0.009	−0.13	0.894	0.091	−0.010
MAP _T1						0.403	5.58	<0.001	0.422	0.393	0.394	5.57	<0.001	0.422	0.393
HF-HRV _T1											−0.201	−3.01	0.003	−0.232	−0.225
C: AAs	Model 1 (R² = 0.116)					Model 2 (R²_change = 0.266)					Model 3 (R²_change = 0.008)
Age _T1	0.229	3.35	0.001	0.254	0.230	0.091	1.55	0.123	0.254	0.109	0.075	1.26	0.208	0.254	0.089
Sex	−0.211	−3.06	0.003	−0.229	−0.211	−0.148	−2.53	0.012	−0.229	−0.176	−0.149	−2.57	0.011	−0.229	−0.179
BMI _T1	0.052	0.76	0.451	0.077	0.053	0.090	1.56	0.120	0.077	0.110	0.091	1.58	0.116	0.077	0.111
Father’s education _T1	−0.005	−0.08	0.940	−0.057	−0.005	0.022	0.38	0.705	−0.057	0.027	0.026	0.46	0.647	−0.057	0.032
Smoking _T1	0.048	0.70	0.482	0.119	0.050	0.000	0.00	0.999	0.119	0.000	0.000	0.00	0.999	0.119	0.000
MAP _T1						0.544	9.28	<0.001	0.588	0.549	0.534	9.10	<0.001	0.588	0.542
HF-HRV _T1											−0.093	−1.63	0.105	−0.192	−0.115

This table depicts hierarchical regression models predicting mean arterial pressure (MAP) at time 2 (T2) in all individuals. Table 2A give regression statistics for the full sample, and Table 2, B and C present regression statistics in European Americans (EAs) and African Americans (AAs). Age is measured in years. BMI, body mass index, kg/m²; HF-HRV, natural log transformed high frequency heart rate variability; T1, time 1. Significant predictors (P < 0.05) are bold at each step.