Patient clinical procedures (P) | Eligible patients (a) | Exposed patients (b) | Exposure rate (b/a) (c) | Performance standard (d) | Implementation index (c/d) (e) |
1. Smokers recruited (S1) | 100 | 90 | 90% | 100% | 0.90 |
2. S1 baseline form (O1A) | 100 | 100 | 100% | 100% | 1.00 |
3. S1 baseline cotinine (O1B) | 100 | 100 | 100% | 100% | 1.00 |
4. Experimental group (X1) | 100 | 100 | 100% | 100% | 1.00 |
5. Experimental group (X2) | 100 | 95 | 95% | 100% | 0.95 |
6. Experimental group (X3) | 100 | 95 | 95% | 100% | 0.95 |
7. Follow up O2A | 100 | 80 | 80% | 100% | 0.80 |
8. Follow up O2B | 100 | 80 | 80% | 100% | 0.80 |
9. Follow up O3A | 100 | 70 | 70% | 100% | 0.70 |
10. Follow up O3B | 100 | 70 | 70% | 100% | 0.70 |
Program implementation index = Σe/Pn = (0.90 + 1.00 + 1.00 + 1.00 + 0.95 + 0.95 + 0.80 + 0.80 + 0.70 + 0.70) ÷ 10 = 0.88
X, experimental group—intervention component; O, patient observation—smoking status; P, procedure.