Table 2. Summary of characteristics of articles included in the review.
| Design feature | Studies, n (%) |
|---|---|
| Setting | |
| US | 6 (25%) 13–18 |
| Australia | 4 (17%) 27,28,35,36 |
| UK | 4 (17%) 21,22,24,25 |
| Belgium | 2 (8%) 19,20 |
| Germany | 1 (4%) 23 |
| Iran | 1 (4%) 30 |
| Italy | 1 (4%) 26 |
| New Zealand | 1 (4%) 34 |
| Norway | 1 (4%) 29 |
| Oman | 1 (4%) 32 |
| Romania | 1 (4%) 31 |
| Not specified | 1 (4%) 33 |
| Population | |
| PCPs | 16 (67%) 13,15,17,19,20,22–29,31–33 |
| Patients | 5 (20%) 16,21,30,34,36 |
| PCPs and patients | 3 (13%) 14,18,35 |
| Sample size | |
| 10–20 | 3 (13%) 13,15,20 |
| 21–100 | 7 (29%) 14,21–35,32,35 |
| 101–500 | 7 (29%) 19,25,26,28,30,31,33 |
| >500 | 7 (29%) 16–27,29,34,36,36 |
| Study design | |
| Quantitative | 12 (50%) 14–18,25–31 |
| Qualitative | 8 (33%) 13,19–32,35,32,35 |
| Mixed-methods | 2 (8%) 33,34 |
| Multi-method | 2 (8%) 23,36 |
PCP = primary care physician.