Table 2

SFF process evaluation example15: experimental group

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)1009090%100%0.90
2. S1 baseline form (O1A)100100100%100%1.00
3. S1 baseline cotinine (O1B)100100100%100%1.00
4. Experimental group (X1)100100100%100%1.00
5. Experimental group (X2)1009595%100%0.95
6. Experimental group (X3)1009595%100%0.95
7. Follow up O2A 1008080%100%0.80
8. Follow up O2B 1008080%100%0.80
9. Follow up O3A 1007070%100%0.70
10. Follow up O3B 1007070%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.