STK39 polymorphisms and blood pressure: an association study in British Caucasians and assessment of cis-acting influences on gene expression

Table 1 Clinical and BP characteristics of the Caucasian participants

Characteristic	N	Median (LQ, UQ) in mmHg	Proportion of phenotypic variability (r²) explained by covariates for log-transformed variable	Heritability (h²) for adjusted variable
Hypertension	490	-	-	-
Current smoker	298	-	-	-
Diabetes	35	-	-	-
Structural heart disease	55	-	-	-
Cardiovascular medication	456	-	-	-
Clinic Systolic BP	1138	134 (121.3, 152.3)	27.2	11.2
Clinic Diastolic BP	1130	82 (73.7, 92)	19.7	12.2
Day Systolic BP	1134	132.5 (122.1, 146)	20.4	13.6
Day Diastolic BP	1133	79.7 (72.5, 90)	17.9	10.7
Night Systolic BP	903	113 (103.8, 126)	11.4	24.3
Night Diastolic BP	902	66 (60.2, 73.6)	13.6	34.6

N = 1372 Caucasian participants. BP, blood pressure; LQ, lower quartile; UQ, upper quartile.

ISSN: 1471-2350