Table 1.
Demographic characteristics of study participants. Values are mean (SD) unless stated otherwise
| Characteristic | Diabetic subjects (n=361) | Controls (n=1114) |
|---|---|---|
| Age (years) | 14.9 (2.0) | 14.8 (1.9) |
| Body mass index* | 22.7 (3.8) | 20.6 (3.3) |
| No (%) with socioeconomic status†: | ||
| I (⩾Cn$15 000) | 5 (1) | 7 (1) |
| II (⩾Cn$25 000) | 47 (13) | 81 (8) |
| III (⩾Cn$35 000) | 114 (33) | 290 (30) |
| IV (⩾Cn$50 000) | 148 (42) | 416 (43) |
| V (⩾Cn$75 000) | 34 (10) | 140 (14) |
| VI (⩾Cn$100 000) | 4 (1) | 36 (4) |
| Age at onset of diabetes (years) | 8.1 (3.6) | — |
| Duration of diabetes (years) | 6.7 (3.6) | — |
| Haemoglobin A1c (%) | 8.8 (1.7) | — |
*
P<0.001 for the comparison between diabetes and control subjects.
†
Socioeconomic status was based on Statistics Canada income tax and postal code data for the 970 control subjects and 352 diabetic subjects who returned demographic forms; P=0.01 for χ2 analysis between diabetic and control subjects. £1=Cn$2.24