Prevalence of hypertension in overweight and obese children from a large school-based population in Shanghai, China

Table 3 Relationship between different categories of BMI, WC and hypertension after adjusting for age and sex

Categories			High SBP vsnormal SBP			High DBP vsnormal DBP			High BP vsnormal BP
BMI	WC	N	n(%)	OR(95% CI)	P	n(%)	OR(95% CI)	P	n(%)	OR(95% CI)	P
NW	NW	57867	3521 (6.08)	1.00		2509 (4.34)	1.00		4864 (8.41)	1.00
NW	OW	2211	248 (11.22)	2.00 (1.75, 2.30)	<0.0001	155 (7.01)	1.71 (1.44, 2.02)	<0.0001	326 (14.74)	1.91 (1.69, 2.16)	<0.0001
NW	OB	242	33 (13.64)	2.49 (1.72, 3.61)	<0.0001	19 (7.85)	1.98 (1.23, 3.17)	<0.0001	42 (17.36)	2.32 (1.66, 3.24)	<0.0001
OW	NW	4484	524 (11.69)	1.99 (1.80, 2.19)	<0.0001	335 (7.47)	1.74 (1.54, 1.96)	<0.0001	632 (14.09)	1.76 (1.61,1.92)	<0.0001
OW	OW	4621	645 (13.96)	2.41 (2.20, 2.63)	<0.0001	363 (7.86)	1.95 (1.74, 2.19)	<0.0001	773 (16.73)	2.15 (1.98, 2.34)	<0.0001
OW	OB	1131	190 (16.80)	2.99 (2.55, 3.52)	<0.0001	91 (8.05)	2.18 (1.75, 2.72)	0.0046	224 (19.81)	2.66 (2.29, 3.09)	<0.0001
OB	NW	595	65 (10.92)	1.93 (1.49, 2.51)	<0.0001	50 (8.40)	1.82 (1.36, 2.44)	<0.0001	81 (13.61)	1.72 (1.36, 2.18)	<0.0001
OB	OW	2277	368 (16.16)	2.96 (2.63, 3.33)	<0.0001	266 (11.68)	2.72 (2.37, 3.11)	<0.0001	448 (19.68)	2.64 (2.37, 2.95)	<0.0001
OB	OB	4511	1163 (25.78)	5.22 (4.84, 5.63)	<0.0001	675 (14.96)	3.92 (3.58, 4.30)	<0.0001	1363 (30.22	4.66 (4.34, 5.00)	<0.0001

N is the total number in the category. n is the number in the category, and% is the proportion in the category with outcome.
Adjusted ORs with 95% confidence intervals (95% CIs) were computed after adjusting for age and sex.

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