Characteristics of the 88 included HIA case studies
| Characteristic | Number | % | |
|---|---|---|---|
| Year undertaken | 1996–1998 | 8 | 9 |
| 1999–2001 | 40 | 45 | |
| 2002–2004 | 27 | 31 | |
| unclear | 13 | 15 | |
| Geographical setting | Europe | 85 | 97 |
| Asia | 2 | 2 | |
| Africa | 1 | 1 | |
| Spatial scale | Local | 63 | 72 |
| Regional | 20 | 23 | |
| National | 4 | 4 | |
| Supranational | 1 | 1 | |
| Sector of intervention | Transport | 16 | 18 |
| Housing | 12 | 14 | |
| Regeneration | 11 | 13 | |
| Healthcare | 11 | 13 | |
| Environment | 7 | 8 | |
| Leisure | 7 | 8 | |
| Industry | 5 | 6 | |
| Crime | 4 | 4 | |
| Land use | 4 | 4 | |
| Agriculture | 2 | 2 | |
| Other | 9 | 10 | |
| Type of intervention | Policy | 24 | 27 |
| Programme | 20 | 23 | |
| Project | 44 | 50 | |
| What type of decision was the HIA trying to influence? | Adoption of PPP | 16 | 18 |
| Modification of PPP | 58 | 66 | |
| Monitoring of PPP | 3 | 3 | |
| Modification and monitoring of PPP | 3 | 3 | |
| Unknown | 8 | 9 | |
| Who conducted the HIA? | Service organisations | 34 | 39 |
| Consultants | 10 | 11 | |
| Academic unit | 5 | 6 | |
| Service/academic | 19 | 22 | |
| Service/consultants | 2 | 2 | |
| Service/community | 4 | 4 | |
| Unknown | 14 | 16 | |
| Timing of the HIA | Prospective | 59 | 67 |
| Concurrent | 11 | 13 | |
| Retrospective | 8 | 9 | |
| Unknown | 10 | 11 | |
| Type of HIA | Rapid | 45 | 51 |
| Intermediate | 1 | 1 | |
| Comprehensive | 8 | 9 | |
| Unclear | 34 | 39 | |
| Was the published literature considered in the impact appraisal? | Yes | 14 | 16 |
| No | 23 | 26 | |
| Unclear | 51 | 58 | |
| Was there community participation in the assessment? | Community members | 37 | 42 |
| Community reps. | 11 | 13 | |
| None | 27 | 31 | |
| Unknown | 12 | 14 |