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Table 1 Participant Sociodemographic and Clinical Characteristics Stratified by Albuminuria

From: The National Kidney Foundation of Illinois KidneyMobile: a mobile resource for community based screenings of chronic kidney disease and its risk factors

Characteristic ALL N (%) or Mean (se)    Unknown/Not tested N (%) or Mean (s.e.)
Urine albumin/crt < 30 N (%) Urine albumin/crt 30–300 N (%) Urine albumin/crt > 300 N (%) p-value
Total 20,770 15,396 (74.1) 4173 (20.1) 311 (1.5)   890 (4.3)
Agea 53.5 (0.12) 53.09 (0.13) 55.26 (0.27) 61.42 (0.94) < 0.001 50.35 (0.58)
Sex
 Male 6717 (32.3) 5051 (32.8) 1246 (29.9) 120 (38.6) < 0.001 300 (33.7)
 Female 14,053 (67.7) 10,345 (67.2) 2927 (70.1) 191 (61.4)   590 (66.3)
Race/ethnicity
 White (non-Hispanic) 8801 (42.4) 6673 (43.3) 1693 (40.6) 144 (46.3) < 0.001 291 (32.7)
 African-American 4346 (20.9) 3062 (19.9) 1015 (24.3) 55 (17.7)   214 (24.04)
 Hispanic 5838 (28.1) 4365 (28.4) 1130 (27.1) 78 (25.1)   265 (29.8)
 Asian/Pacific Islander 934 (4.5) 713 (4.63) 156 (3.8) 20 (6.4)   45 (5.1)
 Other/unknown 505 (2.43) 350 (2.3) 98 (2.4) 5 (1.6)   52 (5.8)
Primary language
 English 13,736 (66.1) 10,131 (65.8) 2944 (70.6) 222 (71.4) < 0.001 439 (49.3)
 Spanish 4417 (21.3) 3289 (21.36) 890 (21.3) 64 (20.6)   174 (19.6)
 Other/unknown 2108 (10.15) 1580 (10.26) 250 (6.0) 11 (3.5)   267 (30.0)
Health insurance  
 Yes 12,524 (60.3) 9399 (61.1) 2583 (61.9) 184 (59.2) 0.1130 358 (40.2)
 No 5561 (26.8) 4171 (27.1) 1156 (27.7) 90 (28.9)   144 (16.2)
 Unknown 2685 (12.9) 1826 (11.9) 434 (10.4) 37 (11.9)   388 (43.6)
Primary Provider
 Yes 10,311 (49.6) 7722 (50.2) 2118 (50.8) 164 (52.7) < 0.001 307 (34.5)
 No 3936 (19.0) 3027 (19.7) 733 (17.6) 38 (12.2)   138 (15.5)
 Unknown 6523 (31.4) 4647 (30.2) 1322 (31.7) 109 (35.1)   445 (50.0)
Hypertension   
 Yes 8053 (38.8) 5596 (36.4) 1968 (47.2) 204 (65.6) < 0.001 285 (32.0)
 No 11,742 (56.5) 9122 (59.3) 2048 (49.1) 95 (30.6)   477 (53.6)
 Unknown 975 (4.7) 678 (4.4) 157 (3.8) 12 (3.9)   128 (14.4)
Diabetes
 Yes 4187 (20.2) 2752 (17.9) 1149 (27.5) 155 (49.8) < 0.001 32 (3.6)
 No 15,577 (75.0) 11,972 (77.8) 2853 (68.4) 145 (46.6)   524 (58.9)
 Unknown 1006 (4.8) 672 (4.4) 171 (4.1) 11 (3.5)   334 (37.5)
Kidney disease
 Yes 990 (4.8) 625 (4.1) 272 (6.5) 61 (19.6) < 0.001 32 (3.6)
 No 18,065 (87.0) 13,696 (89.0) 3620 (86.8) 225 (72.4)   524 (58.9)
 Unknown 1715 (8.2) 1075 (7.0) 281 (6.7) 25 (8.0)   334 (37.5)
Family history of hypertension
 Yes 11,183 (53.8) 8258 (53.6) 2358 (56.6) 181 (58.0) < 0.001 386 (43.4)
 No 6836 (32.9) 5153 (33.5) 1312 (31.4) 78 (25.1)   293 (32.9)
 Unknown 2751 (13.2) 1985 (12.9) 503 (12.1) 52 (16.7)   211 (23.7)
Family history of diabetes
 Yes 8837 (42.5) 6466 (42.0) 1956 (46.9) 164 (52.7) < 0.001 251 (28.2)
 No 8116 (39.1) 6158 (40.0) 1620 (38.8) 97 (31.2)   241 (27.1)
 Unknown 3817 (18.4) 2771 (18.0) 597 (14.3) 50 (16.7)   398 (44.7)
Family history of kidney disease, transplant, or dialysis
 Yes 2477 (11.9) 1846 (12.0) 507 (12.2) 59 (19.0) < 0.001 65 (7.3)
 No 13,070 (62.9) 9763 (63.4) 2757 (66.1) 179 (57.6)   371 (41.7)
 Unknown 5223 (25.2) 3787 (24.6) 909 (21.8) 73 (23.5)   454 (51.0)
BMIa 29.4 (0.05) 29.2 (0.05) 30.1 (0.11) 29.6 (0.4) < 0.001 29.1 (0.29)
BMI Category
 < 25 4865 (23.4) 3701 (24.0) 926 (22.2) 74 (23.8) < 0.001 164 (18.4)
 25–29.9 6470 (31.2) 5007 (32.5) 1189 (28.5) 88 (28.3)   186 (20.9)
 30–39.9 6024 (29.0) 4447 (28.9) 1332 (31.9) 86 (27.7)   159 (17.9)
 > =40 1273 (6.1) 871 (5.7) 342 (8.2) 24 (7.7)   36 (4.0)
 Unknown 2138 (10.3) 1370 (8.9) 384 (9.2) 39 (12.5)   345 (38.8)
Systolic blood pressure, mm Hg1 127.5 (0.13) 126.3 (0.14) 130.8 (0.31) 143.3 (1.33) < 0.001 126.2 (0.83)
Systolic blood pressure categories, mmHg
 < 120 6186 (29.8) 4868 (31.6) 1066 (25.6) 37 (11.9) < 0.001 215 (24.2)
 120–139 8513 (41.0) 6489 (42.2) 1706 (40.9) 99 (31.8)   219 (24.6)
 140–159 3662 (17.6) 2609 (17.0) 866 (20.8) 86 (27.7)   101 (11.4)
 160–179 952 (4.6) 591 (3.8) 290 (7.0) 49 (15.8)   22 (2.5)
 > = 180 237 (1.1) 106 (0.7) 92 (2.2) 25 (8.0)   14 (1.6)
 Unknown 1220 (5.9) 733 (4.8) 153 (3.7) 15 (4.8)   319 (35.8)
Diastolic blood pressure mm Hga 76.6 (0.08) 76.1 (0.09) 77.8 (0.19) 80.4 (0.74) < 0.001 77.6 (0.5)
Diastolic blood pressure categories
 < 80 11,022 (53.1) 8468 (55.0) 2117 (50.7) 130 (41.8) < 0.001 307 (34.5)
 80–89 6023 (29.0) 4530 (29.4) 1220 (29.2) 91 (29.3)   182 (20.5)
 90–99 2003 (9.6) 1417 (9.2) 480 (11.5) 47 (15.1)   59 (6.6)
 > =100 575 (2.8) 317 (2.1) 203 (4.9) 26 (8.4)   29 (3.3)
 Unknown 1147 (5.5) 664 (4.3) 153 (3.7) 17 (5.5)   313 (35.2)
Blood glucose level, gm/dLb
 F < 100 or NF < 140 15,013 (72.3) 11,596 (75.3) 2795 (67.0) 168 (54.0) < 0.001 307 (34.5)
 F = 100–126 or NF = 140–200 2488 (12.0) 1771 (11.5) 600 (14.4) 46 (14.8) 182 (20.5)
 F > 126 or NF > 200 1138 (5.5) 607 (3.9) 432 (10.4) 68 (21.9)   59 (6.6)
 Unknown 2123 (10.2) 1417 (9.2) 343 (8.2) 29 (9.3)   313 (35.2)
  1. amean (standard error)
  2. bF = fasting, NF = non-fasting