Table 2.

Characteristics of end-stage renal disease cases and controls from the Southern Community Cohort Study by hypertension and diabetes

	No hypertension				Hypertension
	No diabetes		Diabetes		No diabetes		Diabetes
	ESRD	No ESRD	ESRD	No ESRD	ESRD	No ESRD	ESRD	No ESRD
N	91	1112	79	139	297	1374	607	605
Age at enrollment, y	49.8 ± 8.4	51.6 ± 8.4	54.6 ± 9.3	54.3 ± 7.9	54.6 ± 9.7	55.5 ± 8.4	55.2 ± 8.5	58.2 ± 8.6
Sex, % women	36.3	46.5	65.8	54.7	43.4	57.6	61.8	66.6
Race, % black	82.4	85.2	86.1	87.1	89.2	87.6	85.5	88.3
Smoking, % current	72.5	51.4	31.7	38.1	48.8	39.9	27.7	24.6
Body mass index, kg/m2	27.0 ± 6.0	27.6 ± 6.2	30.8 ± 7.0	31.7 ± 7.0	30.2 ± 8.0	30.8 ± 7.2	33.5 ± 8.3	33.5 ± 7.0
Total energy, kcal/d	3358 ± 1737	2810 ± 1559	2313 ± 1344	2429 ± 1379	2693 ± 1473	2516 ± 1384	2203 ± 1299	2241 ± 1325
Carbohydrate, % energy	49.0 ± 8.6	48.7 ± 8.8	50.0 ± 9.5	48.9 ± 9.0	49.8 ± 10.0	50.2 ± 9.2	49.7 ± 8.5	50.0 ± 9.0
Protein, % energy	14.8 ± 3.0	14.7 ± 3.0	16.1 ± 3.1	15.9 ± 3.6	14.8 ± 3.2	14.9 ± 3.0	16.2 ± 3.3	15.8 ± 3.1
MUFA, % energy	13.0 ± 2.4	13.0 ± 2.6	12.8 ± 2.7	13.4 ± 2.9	12.8 ± 2.7	12.7 ± 2.7	13.1 ± 2.5	13.0 ± 2.7
SFA, % energy	10.0 ± 1.9	10.1 ± 2.2	10.1 ± 2.3	10.3 ± 2.3	10.0 ± 2.3	9.9 ± 2.3	10.2 ± 2.1	10.0 ± 2.3
PUFA, % energy	7.8 ± 1.7	7.9 ± 1.7	7.8 ± 1.8	8.5 ± 2.0	7.8 ± 1.7	7.9 ± 1.8	8.2 ± 1.7	8.2 ± 1.8
N3-PUFA, % energy	0.07 ± 0.09	0.06 ± 0.07	0.08 ± 0.07	0.07 ± 0.07	0.07 ± 0.09	0.07 ± 0.07	0.07 ± 0.08	0.07 ± 0.07
N6-PUFA, % energy	7.5 ± 1.6	7.6 ± 1.7	7.6 ± 1.7	8.2 ± 2.0	7.5 ± 1.6	7.6 ± 1.7	7.9 ± 1.6	7.9 ± 1.8
Dietary fiber, g/d	25.7 ± 14.5	22.5 ± 13.5	20.6 ± 11.9	22.7 ± 13.0	21.9 ± 13.0	21.3 ± 12.9	20.6 ± 12.2	21.4 ± 12.7

Abbreviations:  ESRD End-stage renal disease, MUFA Monounsaturated fatty acids, SFA Saturated fatty acids, PUFA Polyunsaturated fatty acids

Continuous variables are expressed as mean ± SD and categorical variables as percentage (%)