Table 1.

Patient characteristics of 35 selected baseline risk factorsa

Baseline Factor (n = 1094 unless indicated otherwise)Label for FiguresMean ± SD or n (%)
Urine protein/creatinine (n = 1090)up/cr0.33 ± 0.52
Age at randomization (yr)age54.6 ± 10.7
Female genderfem424 (38.8)
Income <$15,000inc521 (58.5)
Not a high school graduate (n = 1092)edu444 (40.7)
Current smokersmoke321 (41.0)
History of heart diseasehrt564 (51.6)
Familial diagnosis of ESRDfesrd140 (12.8)
Parental diagnosis of hypertensionprhtn756 (69.1)
Duration of hypertension (yr; n = 1084)hyp14.2 ± 10.1
Height (cm)ht171 ± 10 
Body weight (kg)wt89.5 ± 20.7
Body mass index (kg/m2)bmi30.6 ± 6.6 
Systolic BP (mmHg)sys150 ± 24 
Diastolic BP (mmHg)dia96 ± 14
Evidence of left ventricular hypertrophylvh420 (38.4)
Abnormal electrocardiogramekg880 (80.4)
Serum urea nitrogen (mg/dl)sun24.2 ± 9.7
Serum creatinine (mg/dl)scr2.00 ± 0.70
Hematocrit (%; n = 1092)hct39.4 ± 4.9
Albumin (g/dl)alb4.23 ± 0.32
Glucose (mg/dl)glu94.0 ± 15.8
Total cholesterol (mg/dl; n = 1084)chol212 ± 45
HDL (mg/dl; n = 1084)hdl48 ± 16
Total − HDL cholesterol (mg/dl; n = 1081)ldl163 ± 45
Triglycerides (mg/dl; n = 843)trig140 ± 81
Uric acid (mg/dl)uric8.3 ± 1.9
Calcium × phosphorus (mg2/dl2)ca_p31.9 ± 5.2
Phosphorus (mg/dl)phos3.52 ± 0.56
Urine total volume (L; n = 1093)uvol2.21 ± 0.94
Urine creatinine (g/d; n = 1090)ucr1.61 ± 0.64
Urine creatinine/wt (mg/d per kg; n = 1090)ucrwt18 ± 6
Urine urea nitrogen (g/d; n = 1093)uun8.29 ± 3.79
Urine sodium (g/d; n = 1093)una3.68 ± 1.98
Urine sodium/potassium (n = 1093)unak2.27 ± 1.19
  • a Data are means ± SD for continuous variables and n (%) for categorical variables. The percentage with income <$15,000 was based on 891 participants who provided information. The percentage of current smokers was based on 782 participants who either were current smokers or never smoked.