Table 5.

The risk of lung function impairment according to each 10% VAI increase

FVC impairment					FEV1 impairment
	Men		Women		Men		Women
	OR	P value	OR	P value	OR	P value	OR	P value
Model 1	1.114 (1.008–1.231)	P = 0.034	1.230 (1.147–1.319)	P < 0.001	1.054 (0.952–1.167)	P = 0.313	1.167 (1.082–1.258)	P < 0.001
Model 2	1.168 (1.05–1.299)	P = 0.004	1.218 (1.134–1.307)	P < 0.001	1.097 (0.984–1.222)	P = 0.094	1.160 (1.075–1.252)	P < 0.001
Model 3	1.122 (1.000–1.259)	P = 0.050	1.164 (1.078–1.256)	P < 0.001	1.074 (0.956–1.206)	P = 0.229	1.154 (1.062–1.254)	P = 0.001

Model 1 is unadjusted; Model 2 is adjusted for age, education, smoking and drinking; Model 3 is adjusted for age, education, smoking, drinking, SBP, DBP, FPG, TC, uric acid, and eGFR

FVC forced vital capacity, FEV1 forced expiratory volume in 1 s, SBP systolic blood pressure, DBP diastolic blood pressure, FPG fasting plasma glucose, TC total cholesterol, eGFR estimated glomerular filtration rate