Table 3.
Characteristics of EDIC participants compared with nonparticipants
| Characteristic* | Participants | Nonparticipants | P value |
|---|---|---|---|
| n | 1,375 | 50 | — |
| Age (years) | 33.6 ± 7.0 | 31.0 ± 7.7 | 0.0155 |
| Sex (% female) | 48 | 45 | NS |
| Duration of type 1 diabetes (years) | 12.2 ± 4.8 | 11.6 ± 4.4 | NS |
| Treatment group during DCCT (% intensive) | 50 | 30 | 0.0048 |
| HbA1c at closeout of DCCT (%) | |||
| Intensive group | 7.4 ± 1.1 | 8.5 ± 1.6 | 0.0031 |
| Conventional group | 9.1 ± 1.5 | 9.6 ± 1.4 | 0.1123 |
| Debriefed at DCCT study’s end (%) | 99 | 74 | <0.0001 |
| Care transferred to non-DCCT personnel (%) | 48 | 79 | <0.0001 |
Data are means ± SD or %. P values for continuous variables are from Wilcoxon’s rank-sum test; P values for categorical variables are from the contingency-table χ2 test.