Table 3 Sampling information of the studies in the individual hospitals
Hospital | Type of questionnaire | Sampling strategy | Addressed departments | Number of addressed physicians |
|---|---|---|---|---|
Amsterdam | Electronic | Full sample | All departments | 998 |
Copenhagen | Paper-based | Convenience sample | Anesthesia (A) | 207 (A = 20, IM = 102, GS = 85) |
Internal medicine (IM) | ||||
Gastro-surgery (GS) | ||||
Denain | Paper-based | Full sample | All departments | 60 |
Sofia | Paper-based | Full sample | All departments | 53 |