Table 4.

Office BP and ABPM parameters^* by BMI category in treated hypertensive subjects

	Normal (BMI<=25) N=123	Overweight (BMI:25–30) N=249	Obese (BMI>=30) N=212	p-value (trend)	p-value (Obese vs Nml)
Office SBP	138.7(135.6,141.7)	138.3(136.2,140.4)	140.7(138.4,143.0)	0.29	0.29
Office DBP	78.6(77.0,80.3)	79.6(78.4,80.7)	80.8(79.5,82.0)	0.12	<0.05
SBP day	129.8(127.2,132.4)	129.7(127.8,131.5)	130.0(128.0,132.0)	0.97	0.91
SD SBP day†	13.2(12.6,13.8)	13.0(12.6,13.4)	13.1(12.6,13.6)	0.82	0.74
SBP night	120.5(117.6,123.5)	120.2(118.2,122.3)	122.4(120.2,124.7)	0.35	0.32
SD SBP night†	11.4(10.8,12.0)	11.0(10.6,11.5)	11.5(11.0,12.0)	0.33	0.81
SBP 24 hours	126.6(124.0,129.2)	126.3(124.5,128.1)	127.3(125.3,129.3)	0.78	0.70
DBP day	74.3(72.7,75.9)	74.6(73.5,75.7)	73.3(72.1,74.5)	0.30	0.33
SD DBP day†	8.9(8.5,9.4)	9.2(8.9,9.5)	9.3(9.0,9.7)	0.34	0.14
DBP night	66.5(64.7,68.2)	66.5(65.3,67.7)	66.6(65.2,67.9)	0.10	0.94
SD DBP night†	8.1(7.6,8.5)	7.9(7.6,8.2)	8.5(8.2,8.9)	<0.05	0.15
DBP 24-hour	71.6(70.1,73.1)	71.7(70.6,72.8)	70.8(69.7,72.0)	0.56	0.45
SBP Non dipping‡	1(reference)	0.731(0.461,1.159)	0.688(0.424,1.115)	0.28	0.27

Statistics reported are reported as mean (95% confidence interval of the mean)

^*= adjusted for age, gender, smoking, diabetes, high school education and use of anti-hypertensive medications

^†= also adjusted for daytime/nighttime mean SBP/DBP

^‡= also adjusted for 24-hour mean BP; values shown are odds ratios for being a non-dipper, compared to those with normal BMI.