Table 1 Controlled studies on interventions aimed at improving chlamydia screening in primary care.
From: Interventions for increasing chlamydia screening in primary care: a review
Study | Setting | Intervention (duration of follow-up for testing rates) | Design | Target population | Outcomes in the intervention group | Outcomes in the control group | P value for difference |
|---|---|---|---|---|---|---|---|
Verhoeven et al.10 | 36 GPs in Antwerp, Belgium | Educational package (video and text) on communication skills for sexual history taking (15 weeks) | Cluster randomized | Females patients aged <35 years | 18 GPs. Median no. of females appropriately tested per GP = 6 | 18 GPs. Median no. of females appropriately tested per GP = 3 | 0.035 |
Shafer et al.12 | 10 Pediatric clinics in North Carolina | Multifaceted, system-level changes to clinical practice to overcome barriers to chlamydia screening (18 months) | Randomized | Female patients aged 14–18 years | 5 clinics. 478/1017 (47%) of eligible girls screened | 5 clinics. 203/1194 (17%) of eligible girls screened | <0.001 |
Armstrong et al.13 | 2 primary health centres in Scotland | Introduction of a health advisor to increase awareness and to provide training on chlamydia screening guidelines (6 months) | Non-randomized | Males and female patients aged 15–24 years | 1 health centre. No. of chlamydia tests*: Pre-intervention: 152 Post-intervention: 335 | 1 health centre. No. of chlamydia tests*: Pre-intervention: 336 Post-intervention: 374 | 0.001 |
Allison et al.14 | 191 primary care physician offices in the US | Internet based continuous medical education on chlamydia screening (2 years) | Randomized | Female patients aged 16–26 years | 95 offices. Screening rates: Pre-intervention: 16.2% During intervention: 13.3% Post-intervention: 15.5% | 96 offices. Screening rates: Pre-intervention: 18.9% During intervention: 13.0% Post-intervention: 12.4% | 0.044† |