Characteristics of the survey respondents and non-respondents. *: mean (SD)
| Characteristic | N (%) respondents | N (%) Non-respondents | p Value (X2) |
| Gender | |||
| Male | 44 (15%) | 65 (17%) | |
| Female | 255 (85%) | 325 (83%) | 0.48 |
| Age | 47.7 (10.7)* | 49.0 (9.44)* | 0.06 |
| Specialty | |||
| Paediatrics | 203 (68%) | 205 (53%) | |
| Other | 96 (32%) | 185 (47%) | <0.01 |
| Clinical settings | |||
| Primary care | 169 (57%) | 224 (57%) | |
| Secondary care | 67 (22%) | 94 (24%) | |
| Tertiary care | 36 (12%) | 42 (11%) | |
| Private practice only | 27 (9%) | 32 (8%) | 0.92 |
| Clinical experience (years) | |||
| 1–5 | 29 (10%) | 25 (6%) | |
| 6–10 | 31 (10%) | 33 (9%) | |
| 11–15 | 30 (10%) | 54 (14%) | |
| >15 | 209 (70%) | 278 (71%) | 0.17 |