Table 2. Hazard ratios for incident CKD by smoking status.

	Model 1		Model 2		Model 3
	HRs (95% CI)	p	HRs (95% CI)	p	HRs (95% CI)	p
Never smokers	Reference		Reference		Reference
Former smokers	1.14 (0.95–1.35)	0.140	1.13 (0.95–1.35)	0.174	1.13 (0.95–1.35)	0.164
Current smokers	1.15 (0.99–1.35)	0.075	1.25 (1.07–1.47)	0.006	1.26 (1.07–1.48)	0.005

Model 1: Adjusted for age and sex.

Model 2: Model 1 + HTN, DM, alcohol, education, income, and BMI.

Model 3: Model 2 + Albumin and total cholesterol.

Abbreviations: HR, hazard ratio; CI, confidence interval; eGFR, estimated glomerular filtration; HTN, hypertension; DM, diabetes mellitus; BMI, body mass index.