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Costs of conducting cohort follow-up
| Cost category | Cost Thai baht* | % of total cost |
|---|---|---|
| Printing | 1,657,000 | 19.2 |
| Postage | 1,793,000 | 20.8 |
| Tape measures (included in mail-out package | 1,220,000 | 14.1 |
| Gifts/prizes | 1,894,000 | 21.9 |
| Data input and barcode scanning | 1,546,000 | 17.9 |
| Phone contact with cohort | 529,000 | 6.1 |
| Total | 8,639,000 | 100 |
* US$1 = 35 Thai baht
