Table 3.

Baseline characteristics of the participants in the case-control and family-based study^a

Characteristic	Case-Control Study			Family-Based Study
	Hypertensive (n = 269)	Control (n = 278)	P	Hypertensive (n = 189)	Control (n = 86)	P
Male/female (n)	127/142	128/150	0.784	103/86	42/44	0.383
Age (yr)	42.17 ± 12.89	40.66 ± 12.81	0.169	52.61 ± 13.30	41.75 ± 15.67	<0.001
BMI (kg/m2)	24.36 ± 4.77	22.02 ± 3.62	<0.001	25.03 ± 3.57	24.25 ± 3.85	0.166
SBP (mmHg)	146.80 ± 21.71	115.27 ± 10.58	<0.001	165.24 ± 21.95	125.63 ± 8.68	<0.001
DBP (mmHg)	93.08 ± 11.87	74.62 ± 7.32	<0.001	100.38 ± 24.85	80.39 ± 6.48	<0.001
Total cholesterol (mmol/L)	5.00 ± 1.07	4.23 ± 0.92	<0.001	5.40 ± 1.05	4.79 ± 0.97	<0.001
Triglycerides (mmol/L)	1.56 ± 1.35	1.05 ± 0.89	<0.001	1.89 ± 1.41	1.63 ± 1.44	0.235
HDL cholesterol (mmol/L)	1.58 ± 0.39	1.57 ± 0.35	0.791	1.50 ± 0.48	1.40 ± 0.31	0.166
LDL cholesterol (mmol/L)	3.00 ± 0.83	2.45 ± 0.72	<0.001	2.86 ± 0.72	2.47 ± 0.68	<0.001
Glucose (mmol/L)	4.50 ± 0.04	4.43 ± 0.05	0.328	4.75 ± 1.57	4.84 ± 2.57	0.730

^aData are means ± SD. SBP, systolic BP.