Table 2.
Number of systematic reviews retrieved according to exclusive categories of the general area of intervention
| Category of intervention | Number of studies | % |
|---|---|---|
| primary prevention | 112 | 33.5 |
| health promotion & primary prevention | 79 | 23.7 |
| health promotion | 75 | 22.5 |
| screening | 22 | 6.6 |
| health promotion & primary prevention & social support | 14 | 4.2 |
| health promotion & social support | 9 | 2.7 |
| primary prevention & screening | 7 | 2.1 |
| social support | 6 | 1.8 |
| prevention & social support | 5 | 1.5 |
| health promotion & screening | 3 | 0.9 |
| health promotion & primary prevention & screening | 1 | 0.3 |
| all 4 general areas | 1 | 0.3 |
| screening & social support | 0 | 0.0 |
| health promotion & screening & social support | 0 | 0.0 |
| primary prevention & screening & social support | 0 | 0.0 |