BMI modified the association of current smoking with the incidence of hypertension in Chinese population: a 22-year cohort study

Table 4 The single effects of obesity and current smoking on the incidence of hypertension in females

	Crude			Adjusted^a
	HR	HR 95% CI	P	HR	HR 95% CI	P
Overweight and nonsmoking	3.345	1.893–5.912	< 0.001	2.726	1.541–4.821	< 0.001
Obesity and nonsmoking	3.827	3.203–4.571	< 0.001	3.074	2.570–3.678	< 0.001
Overweight and current smoking	2.623	1.282–5.364	0.008	2.377	1.161–4.867	0.018
Obesity and current smoking	3.000	2.139–4.207	< 0.001	2.681	1.909–3.764	< 0.001
Current smoking and normal weight	1.864	1.563–2.225	< 0.001	1.274	1.143–1.415	0.040
Current smoking and overweight	1.462	1.147–1.862	0.002	1.024	0.802–1.405	0.851
Current smoking and obesity	0.795	0.474–1.334	0.386	0.639	0.381–1.072	0.090

^aIn adjusted model, age, current drinking, ethnicity, physical activity, and death were adjusted

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