Author surname, year | Country | Intervention type | Evaluation design | Clinics (n) | Target age group (yrs) | Intervention phase | Intervention group | Control group | Statistical findings reported** | Crude RR (and 95% CI) calculated by reviewer** | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|
 |  |  |  |  |  |  | Patients (n) | % screened | Patients (n) | % screened |  |  |
 |  |  |  |  |  | During | 4190 | 4.2% | 8524 | 2.1% |  |  |
Morgan[21] 2009 | NZ | Incentive | Non-RCT | 49 | 16-24 | Roll out | 5588 | 3.4% | 11333 | 2.1% | NR | 2.0 (1.6-2.5)A |
 |  |  |  |  |  | Before | 2833 | 3.0% | 5529 | 1.7% |  |  |
Anderson[6] 2005 | Denmark | Alternative specimen collection | Non-RCT | 3 | 16-25 | During | 617 | 29.4% | 11204 | 3.8% | p < 0.01B | 7.7 (6.6-9.0)A |
 |  |  |  |  |  | Before | 607 | 3.7% | 12007 | 3.4% |  |  |
Armstrong[14] 2003 | Scotland | Doctor education | Non-RCT | 2 | 15-24 | During | -* | 16^ | -* | 10^ | NR | 1.6C, D |
 |  |  |  |  |  | Before | -* | 4^ | -* | 8^ |  |  |
Bilardi[16] 2009 | Aust | Patient education | Non-RCT | 3 | 16-24 | During | 965 | 3.0% | -* | -* | p = 0.77B | 1.1 (0.7-2.0) |
 |  |  |  |  |  | Before | 732 | 2.7% | -* | -* |  |  |
Tebb[24] 2005 | US | Â | RCT | 10 | 14-18 | During | 990 | 44.9% | 1024 | 15.1% | p < 0.01 | 3.0 (2.5-3.5) |
 |  | Quality improvement program |  |  |  | Before | 76 | 2.6% | 61 | 7.0% |  |  |
Merritt[20] 2007 | Australia | Â | RCT | 6 | 15-24 | Late-intervention | -* | 6.3%# | -* | -* | NR | 1.4C |
 |  |  |  |  |  | Before | -* | 4.5%# | -* | -* |  |  |