Does body mass index or waist-hip ratio correlate with arterial stiffness based on brachial-ankle pulse wave velocity in Chinese rural adults with hypertension?

Table 5 Relationship between WHR levels and baPWV levels in different models

Variables	Crude Model		Model I		Model II
Variables	β (95%CI)	P-value	β (95%CI)	P-value	β (95%CI)	P-value
WHR
Per SD increase	1.72 (0.21, 3.22)	0.026	5.04 (3.63, 6.45)	< 0.001	4.46 (3.04, 5.88)	< 0.001
Central obesity
No	Ref		Ref		Ref
Yes	0.22 (− 0.00, 0.44)	0.052	0.62 (0.42, 0.82)	< 0.001	0.54 (0.33, 0.74)	< 0.001
WHR tertiles
T1 [0.53, 0.87]	Ref		Ref		Ref
T2 [0.87, 0.93]	− 0.00 (− 0.26, 0.26)	0.995	0.54 (0.32, 0.75)	< 0.001	0.49 (0.28, 0.70)	< 0.001
T3 [0.93, 1.65]	0.27 (0.01, 0.53)	0.041	0.90 (0.66, 1.14)	< 0.001	0.80 (0.56, 1.04)	< 0.001
P-value for trend	< 0.001		< 0.001		< 0.001

WHR, waist hip rate; baPWV, brachial-ankle pulse wave velocity; Ref, reference; β, effect size; CI, confidence interval; SD, standard deviation
Model I adjusted for age, sex, SBP, DBP, HR and BMI
Model II adjusted for age, sex, SBP, DBP, HR, WHR, smoking and drinking status, homocysteine, ALT, eGFR, HDL-C, DM, CHD, history of stroke and antihypertensive medications

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