Figure 1

Effect modification between smoking status and the renal function in a categorization analysis. Patients with estimated glomerular filtration rate (eGFR) ⩾90 and non-/former smokers are used as a reference for all other columns. The results are adjusted for facility, age, sex, body mass index, systolic blood pressure, urinary protein, total cholesterol, uric acid, use of renin–angiotensin–aldosterone system (RAAS) blockers and use of other hypertensives at the time of diagnosis.