Measures of albuminuria according to quintile of serum phosphorus.

model 1: adjusted for age, gender and race.
model 2: as model 1 but additionally adjusted for BMI, weight, waist circumference, systolic and diastolic blood pressures, total:HDL cholesterol ratio, eGFR, diabetes status, HbA1C.
model 3: as model 2 but additionally adjusted for history of cardiovascular disease, poverty:income ratio, smoking, CRP, hemoglobin, calcium, time of day of venepuncture.
uAlb, urine albumin concentration; uCr, urine creatinine concentration; ACR, urine albumin:creatinine ratio; FEalb, fractional excretion of albumin relative to creatinine.