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Table 1 Cumulative response rate to Japanese dental questionnaire using the TDM
From: Evaluation of the Total Design Method in a survey of Japanese dentists
| 1st Mailing | Follow-up Card | 2nd Mailing | 3rd Mailing | |
|---|---|---|---|---|
| Response rate | 18.0 % | 21.2% | 10.7% | 7.6% |
| (86/478) | (83/392) | (33/309) | (21/276) | |
| Cumulative | 35.4% | 42.3% | 46.7% | |
| response rate | (169/478) | (202/478) | (223/478) |
