Table 3. Binary logistic regression analysis of independent risk factors for elevated blood pressure (methods: forward:conditional).

Characteristic	Binary logistic regression
	Men (N=4,851)			Women (N=4,186)
	OR (95% CI)	P		OR (95% CI)	P
Age (y)	1.034 (1.029-1.039)	0.000		1.056 (1.048-1.063)	0.004
Smoking (Yes =1, No =0)	1.164 (1.108-1.215)	0.003		1.123 (1.104-1.145)	0.009
Hgb (Group 2 =1, Group 3, 4, 5, 6 =0)	1.216 (1.138-1.293)	0.000		1.287 (1.229-1.363)	0.000
Hyperuricemia (Yes =1; No =0)	1.004 (1.001-1.006)	0.039		–	0.238
Dyslipidemia (Yes =1, No =0)	1.115 (1.089-1.146)	0.009		1.139 (1.072-1.194)	0.004
DM (Yes =1, No =0)	1.265 (1.115-1.347)	0.000		1.154 (1.097-1.208)	0.012
Obesity (Yes =1, No =0)	1.109 (1.083-1.131)	0.013		1.088 (1.064-1.115)	0.034

DM, diabetes mellitus.