Table 1 Characteristics of Studies Included in the Review (n = 26)
Date of Publication | National Setting | Methodology | |||
|---|---|---|---|---|---|
Date | No. | Country | No. | Methodology | No. |
Before 1980 | 0 | US | 18 | Quantitative only | 13 |
1980-1989 | 2 | UK | 6 | Qualitative only | 1 |
1990-1999 | 7 | Other | 3 | Mixed | 12 |
2000-March 2009 | 17 | Portugal (1) | Â | Â | Â |
| Â | Â | Israel (1) | Â | Â | Â |
| Â | Â | Sweden (1) | Â | Â | Â |