Strategy group | Standard method group | Difference in response (OR with 95%CI) | ||||||
---|---|---|---|---|---|---|---|---|
Invited (n) | Response RS (%) a | Consultations GP (n (%)) b | Invited (n) | Response RS (%) a | Consultations GP (n (%)) b | Stage 1 | Stage 2 | |
1. Postal invitation + Email reminder (b) | 105 | 45% | N/A | 124 | 48% | N/A | 0.89 [0.53–1.50] | N/A |
1. Email invitation + Postal reminder (c) | 117 | 50% | N/A | 124 | 48% | N/A | 1.12 [0.68–1.86] | N/A |
1. Email invitation + Email reminder (d) | 106 | 58% | N/A | 124 | 48% | N/A | 1.49 [0.89–2.51] | N/A |
3. Extended information letter | 337 | 39% | N/A | 337 | 45% | N/A | 0.79 [0.58–1.08] | N/A |
4. Local media attention | 381 | 37% | N/A | 232 | 38% | N/A | 0.93 [0.67–1.31] | N/A |
7. Pop-up reminder GP in computer system | 341 | 37% | 16 (36%) | 338 | 33% | 3 (10%) | 1.22 [0.51–2.93] | 4.63 [1.15–18.67] |
10. E-mail reminder increased risk patients | 124 | N/A | 57 (46%) | 144 | N/A | 52 (36%) | N/A | 1.51 [0.92–2.46] |