Table 2.

Correlation of sodium excretion with office and ambulatory blood pressure components. Without and after adjustment for age, BMI, and smoking.

	Office BP		Daytime		Nighttime		24-hour
	SBP	DBP	SBP	DBP	SBP	DBP	SBP	DBP
Sodium excretion mmol/24h	0.118	0.024	0.214∗∗	0.114	0.219∗∗	0.142	0.207∗∗	0.125
Adjusted r+	0.113	-0.470	0.188∗	0.075	0.186∗	0.077	0.208∗	0.096

∗p<0.05, ∗∗p<0.01.

SBP: systolic blood pressure, DBP: diastolic blood pressure, ΒMI: body mass index, and h: hour.

⁺ r adjusted (partial correlation) for age, BMI, and smoking.