Urban-rural-specific trend in prevalence of general and central obesity, and association with hypertension in Chinese adults, aged 18–65 years

Table 3 Prevalence ratios of hypertension with different types of obesity in urban and rural areas according to the log-binomial mixed effects model

	Urban		Rural
	PR(95% CI)	Adjusted PR(95% CI)	PR(95% CI)	Adjusted PR(95% CI)
Normal (Ref)	1	1	1	1
Central obesity only	2.22 (2.06–2.38)^**	1.82 (1.62–2.04) ^**	2.03 (1.92–2.15) ^**	1.78 (1.62–1.94) ^**
General obesity only	2.56 (1.94–3.39) ^**	2.13 (1.48–3.05) ^**	1.79 (1.31–2.45) ^**	1.50 (0.96–2.33)
Both central and general obesity	3.46 (3.16–3.79) ^**	2.30 (2.01–2.63) ^**	3.64 (3.40–3.90) ^**	2.50 (2.25–2.77) ^**

CI confidence interval, ^* significant at 0.05, ^** significant at 0.01
^aNormal indicates participants with a BMI < 28 kg/m² and WC < 90/80 cm
^bAdjusted for smoking, drinking, gender, survey year, age and clustering effects (communities and households)

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