Table 1.

Baseline characteristics by baseline SUA quartile, ARIC 1990–92.

Characteristics	Uric Acid Quartiles (mg/dL)
	1st (<4.20)	2nd (4.20 – 5.07)	3rd (5.08 – 5.95)	4th (>5.95)
N	2645	2910	2619	2995
Age, years	55.9 (5.7)	56.7 (5.6)	57.1 (5.7)	57.0 (5.7)
Female	87.1%	68.5%	48.2%	33.5%
Black	20.6%	23.7%	24.0%	28.8%
Education
Less than High School	5.3%	7.5%	7.5%	9.1%
High School, but no degree	12.1%	11.8%	12.7%	14.0%
High School graduate	37.4%	35.1%	31.9%	28.7%
Vocational School	8.3%	9.2%	9.1%	8.0%
College	27.5%	25.5%	27.8%	28.9%
Graduate School or Professional School	9.5%	10.9%	11.1%	11.4%
Waist-to-Hip Ratio	0.87 (0.08)	0.91 (0.08)	0.94 (0.07)	0.96 (0.06)
Ever smoked	51.7%	56.0%	61.1%	64.0%
Diabetes	10.3%	12.1%	12.9%	17.7%
Systolic BP, mmHg	116.5 (17.4)	119.6 (18.3)	122.2 (18.5)	125.7 (18.4)
Diastolic BP, mmHg	69.5 (9.7)	71.3 (9.9)	72.9 (10.1)	74.9 (10.3)
Total Cholesterol, mg/dL	206.9 (37.3)	209.1 (39.0)	209.7 (38.6)	212.2 (41.0)
HDL Cholesterol, mg/dL	58.4 (16.9)	52.4 (16.4)	47.7 (15.3)	43.7 (14.5)
Antihypertensive medication
Diuretic	7.1%	10.1%	14.0%	26.0%
Non-diuretic, antihypertensive	10.0%	13.8%	13.7%	16.2%
No antihypertensive medication	82.9%	76.2%	72.3%	57.8%
eGFR - Creatinine and Cystatin-C (mL/min/1.73m2)	102.8 (14.2)	98.4 (14.6)	94.3 (15.0)	89.5 (17.5)
ApoE e4 allele	31.0%	30.5%	29.8%	30.2%
C-reactive Protein, mg/L	3.4 (6.1)	4.1 (6.3)	4.3 (6.1)	4.9 (7.5)
Western Diet Score	−0.22 (0.88)	−0.10 (0.96)	0.04 (1.01)	0.15 (1.04)
Prudent Diet Score	0.10 (1.03)	0.03 (0.99)	−0.04 (0.95)	−0.05 (0.97)

SUA, serum uric acid; eGFR, estimated glomerular filtration rate; ApoE, apolipoprotein E.

All variables presented either as mean (standard deviation) or as proportion.