Distribution of sociodemographic characteristics of the population with diabetes by eye examination status
| Characteristics | Eye examination during 2-year poststudy enrollment period | ||
| Yes (n=712) | No (n=780) | P value | |
| Mean age (SD) | 50.13 (0.95) | 48.35 (10.66) | 0.0008 |
| Female sex, n (%) | 534 (68) | 421 (59) | 0.0002 |
| Non-Hispanic black, n (%) | 710 (91) | 653 (92) | 0.6368 |
| Chronic Disability Payment System score, n (%) | 0.005 | ||
| First tertile (healthiest) | 252 (32) | 245 (34) | |
| Second tertile | 289 (37) | 209 (29) | |
| Third tertile (sickest) | 239 (31) | 258 (36) | |
| DCSI score (SD) | 2.51 (2.37) | 2.34 (2.35) | 0.1816 |
| History of eye disease, n (%) | 448 (57) | 230 (32) | <0.0001 |
| History of diabetic eye disease treatment, n (%) | 28 (4) | 8 (1) | 0.0019 |
DCSI, Diabetes Complications Severity Index; SD, Standard Deviation.