TABLE 3.

Predictors of SBP in the US NHANES 2011–2014¹

	log(SBP)				log(DBP)
Characteristic	β estimate	SE	P	Racial difference	β estimate	SE	P	Racial difference
Women (n = 4382)
Intercept	4.64				4.35
Age, y	0.003	0.000223	<0.0001		0.0026	0.000273	<0.0001
Age-squared	0.00004	0.000012	0.0023		−0.00011	0.000012	<0.0001
BP medication
No	−0.11	0.029628	0.0010		−0.25	0.042142	<0.0001
Yes	0	0			0	0
Age by BP medication	−0.0016	0.000634	0.0154		−0.0048	0.000907	<0.0001
Age-square by BP medication	0.000031	0.000019	0.1045		0.000058	0.000022	0.0147
Race/ethnicity2			<0.0001	B > A,H,W			<0.0001	A,B,W > H
Asian	0.0083	0.007010			0.0051	0.008509
Black	0.033	0.005772			−0.0039	0.008644
Hispanic	−0.00015	0.005343			−0.031	0.008321
Other	0.012	0.013597			−0.029	0.018877
White	0	0			0	0
BMI	0.0027	0.000368	<0.0001		0.0018	0.000318	<0.0001
Smoker
No	−0.0074	0.004666	0.1218		0.017	0.006426	0.0114
Yes	0	0			0	0
Men (n = 4395)
Intercept	4.72				4.20
Age, y	0.0018	0.000193	<0.0001		0.0032	0.000224	<0.0001
Age-squared	0.000044	0.000009	<0.0001		−0.00015	0.000011	<0.0001
BP medication
No	−0.10	0.033611	0.0048		−0.13	0.060934	0.0347
Yes	0	0			0	0
Age by BP medication	−0.0019	0.000716	0.0112		−0.0029	0.001254	0.0262
Age-squared by BP medication	0.000012	0.000020	0.5424		0.000027	0.000030	0.3852
Race/ethnicity2			<0.0001	B > A,H,W			0.0001	A > H,W
Asian	0.015	0.005660			0.027	0.007614
Black	0.042	0.005344			0.0046	0.009244
Hispanic	0.0027	0.004171			−0.022	0.009696
Other	0.025	0.012920			−0.0062	0.017611
White	0	0			0	0
BMI	0.0035	0.000403	<0.0001		0.0036	0.000462	<0.0001
Smoker
No	−0.015	0.005271	0.0095		0.012	0.006155	0.0693
Yes	0	0			0	0

¹A, Asian; B, black; BP, blood pressure; DBP, diastolic blood pressure; H, Hispanic; SBP, systolic blood pressure; W, white.

²There were 10 comparisons. The adjusted P-value requirement for each comparison was 0.005.