A Comparison on Prevalence of Hypertension and Related Risk Factors between Island and Rural Residents of Dalian City, China

Table 5

Weighted prevalence of hypertension stratified by BMI in island and rural residents.

		Island		Rural	P value
BMI (kg/m^2)	Mean ± SD	25.1±3.5	Mean ± SD	24.3 ± 3.4	<0.001
	No.	Prevalence of HP	No.	Prevalence of HP	<0.001
Underweight	13/43	33.3 (20.0-49.0)	60/145	45.7 (37.8-53.7)
Normal	464/1032	44.6 (41.7-47.6)	1205/2328	54.2 (52.2-56.2)
Overweight	556/994	55.7 (52.7-58.7)†‡	1245/1908	66.4 (64.2-68.5) †‡
Obesity	434/581	74.6 (71.0-77.9)†‡§	576/727	80.1 (77.0-83.0) †‡§
P value		<0.001		<0.001

P<0.05 vs. Island; † P<0.05 vs. underweight; ‡ P<0.05 vs. Normal; § P<0.05 vs. Overweight. BMI: body mass index; HP: hypertension.