Table 1.
Demographic characteristics for SEARCH (N=9,725) and YDR (N=2,331) youth by diabetes type, incident years 2006–2012
| Variables | Type 1 diabetes |
p-value | Type 2 diabetes |
p-value | ||
|---|---|---|---|---|---|---|
| SEARCH |
YDR |
SEARCH |
YDR |
|||
| 2006–2012 n=7,546 | 2006–2012 n=2,104 | 2006–2012 n=2,179 | 2006–2012 n=227 | |||
| Age at diagnosis (yrs), mean (SD) | 10.0 (4.5) | 10.5 (4.9) | <0.001 | 14.7 (2.8) | 16.1 (2.8) | <0.001 |
| Age at diagnosis (yrs), n (%) | <0.001 | <0.001 | ||||
| 0–4 | 1203 (15.9) | 330 (15.7) | 5 (0.2) | 0 | ||
| 5–9 | 2436 (32.3) | 646 (30.7) | 105 (4.8) | 10 (4.4) | ||
| 10–14 | 2733 (36.2) | 688 (32.7) | 986 (45.3) | 58 (25.6) | ||
| 15–19 | 1174 (15.6) | 440 (20.9) | 1083 (49.7) | 159 (70.0) | ||
| Gender, n (%) | <0.001 | <0.001 | ||||
| Female | 3526 (46.7) | 990 (47.1) | 1369 (62.8) | 111 (48.9) | ||
| Male | 4020 (53.3) | 1114 (52.9) | 810 (37.2) | 116 (51.1) | ||
| Race, n (%) | ||||||
| White | 5496 (72.8) | 489 (22.4) | ||||
| Asian Indian | 26 (0.3) | 2104 (100.0) | 4 (0.2) | 227 (100.0) | ||
| Black or African American | 808 (10.7) | 790 (36.3) | ||||
| Other Asian | 92 (1.2) | 83 (3.8) | ||||
| American Indian or Alaska Native | 54 (0.7) | 167 (7.7) | ||||
| Native Hawaiian or Other Pacific Islander | 11 (0.1) | 19 (0.9) | ||||
| Multiple Race | 343 (4.5) | 62 (2.8) | ||||
| Unknown | 716 (9.5) | 565 (25.9) | ||||
| Socioeconomic status, n (%) | <0.001 | <0.001 | ||||
| High | 4047 (53.6) | 1279 (60.8) | 515 (23.6) | 201 (88.5) | ||
| Low | 1770 (23.5) | 825 (39.2) | 802 (36.8) | 26 (11.5) | ||
| Missing | 1729 (22.9) | 0 (0.0) | 862 (39.6) | 0 (0.0) | ||