Familial aggregation and heritability of hypertension in Han population in Shanghai China: a case-control study

Clinical Hypertension

Table 4 The heritability (%) and 95% CI of hypertension of different degree relatives

	Prevalence	x	a	h²	SE	95%CI
First-degree relatives
Control group	26.43	0.681	1.278	49.508%	0.0004	(49.507, 49.508%)
Case group	42.64	0.251	0.962	49.508%	0.0004	(49.507, 49.508%)
Second-degree relatives
Control group	15.02	1.062	1.575	23.416%	0.0003	(23.415, 23.416%)
Case group	20.10	0.845	1.406	23.416%	0.0003	(23.415, 23.416%)
Third-degree relatives
Control group	11.09	1.301	1.761	21.407%	0.0003	(21.407, 21.408%)
Case group	15.69	1.089	1.623	21.407%	0.0003	(21.407, 21.408%)

ISSN: 2056-5909