Table 2.
Incidence (% (n)) of Major Diabetes Complications in Type 1 Diabetes by Baseline (Age 28) SES Categories.
| Income | Education | Occupation | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Na | Median FUT (yrs) | Lowest Income | Middle Income | Highest Income | < College Grad | College Grad | Non-professional | Professional | |
| N | 59 | 199 | 59 | 199 | 118 | 176 | 141 | ||
| End-stage renal disease | 314 | 10.7 | 11.9 (7) | 11.2 (22) | 3.4 (2)* | 13.1 (26) | 4.3 (5)*** | 12.1 (21) | 7.1 (10) |
| Coronary artery disease | 304 | 12.3 | 21.1 (12) | 20.5 (39) | 12.1 (7) | 24.2 (47) | 10.0 (11)*** | 20.9 (36) | 16.7 (22) |
| Lower extremity arterial disease | 295 | 11.2 | 18.9 (10) | 18.3 (34) | 5.4 (3)**† | 17.9 (33) | 12.6 (14) | 17.1 (28) | 14.5 (19) |
| Autonomic neuropathy | 236 | 8.7 | 46.3 (19) | 33.1 (49) | 23.4 (11)**† | 37.9 (55) | 26.4 (24)* | 39.5 (51) | 26.2 (28)** |
| Proliferative retinopathy | 226 | 8.5 | 42.9 (18) | 37.5 (54) | 30.0 (12) | 37.0 (54) | 37.5 (30) | 39.8 (51) | 33.7 (33) |
Abbreviation: FUT, follow-up time
*
p ≤ 0.10;
**
p ≤ 0.05;
***
p ≤ 0.01 based on χ2 analysis
†
p ≤ 0.05 for trend across income groups
a
Numbers for each complication do not total 317 due to exclusion of individuals with prevalent complication at their Age 28 study cycle