Comparison of research ethics boards included in this study with those excluded and non-responders by size of institution (number of students)
| Total no of students in 2004 | Responded to survey | Did not respond to survey or (did not meet inclusion criteria*) |
|---|---|---|
| *Inclusion criteria: members of Canadian Association of Research Ethics Boards belonging to a verifiable English university-based research ethics board. | ||
| <10 000 | 4 | 3 (2) |
| 10 000–19 999 | 6 | 4 (1) |
| 20 000–29 999 | 9 | 3 (1) |
| 30 000–39 999 | 3 | 2 (3) |
| >40 000 | 0 | 2 (1) |
| Not affiliated with university | 0 | 2 (4) |
| Total | 22 | 28 |