Table 2.
Incremental cost analysis- components, data sources, and collection methods.
| Cost component | Unit | Data source | Method of estimation |
|---|---|---|---|
| ASHA time: Contact 1 (≤72 h) | Minutes per case | ASHA self-report (end of study) | Time × imputed hourly rate |
| ASHA time: Day 7 call | Minutes per case | ASHA self-report | As above |
| ASHA time: Visit 2 (Day 14) | Minutes per case | ASHA self-report | As above |
| ASHA time: Visit 3 (Day 21) | Minutes per case | ASHA self-report | As above |
| ASHA time: Contact at 42 days | Minutes per case | ASHA self-report | As above |
| ASHA transport cost | INR per case | ASHA self-report | Direct expenditure |
| Printed materials/IEC | INR per case | Programme records | Procurement records |
| ASHA training (amortised) | INR per case | District records | Total training cost ÷ 3 yrs ÷ annual cases |
| CHO supervision time | INR per case | CHO self-report | Time×CHO salary rate |
| Routine care cost (control arm) | INR per case | Control block CHO records | Existing per-woman postnatal expenditure |