| Age range | Tetanus Antibody Titer* | Total | Diphtheria Antibody Titer** | Total | ||||||
| <0.1 | 0.1 - 0.5 | 0.5 - 5 | >5 | <0.1 | 0.1 - 1 | 1 - 2 | >2 | |||
| 40 - 60 | 33 39.3% | 25 29.8% | 26 31.0% | 0 | 84 | 34 40.5% | 48 57.1% | 2 2.4% | 0 | 84 |
| >60 | 50 53.8% | 17 18.3% | 26 28.0% | 0 | 93 | 40 43.0% | 45 48.4% | 8 8.6% | 0 | 93 |
| Total | 83 46.9% | 42 23.7% | 52 29.4% | 0 | 177 | 74 41.8% | 93 52.5% | 10 5.6% | 0 | 177 |