Table 2. Characteristics of the thyroid dose received before age 15 years.
| Characteristic | Thyroid cancer cases (229) (%) | Controls (373) (%) |
|---|---|---|
| Year of exposure | ||
| 1966 | 15 | 10 |
| 1967 | 2 | 2 |
| 1968 | 6 | 7 |
| 1969 | 0 | 0 |
| 1970 | 3 | 4 |
| 1971 | 8 | 7 |
| 1972 | 1 | 1 |
| 1973 | 7 | 7 |
| 1974 | 58 | 62 |
| Island or archipelago of residence | ||
| Tahiti and Moorea | 69 | 84 |
| Other Société islands | 11 | 7 |
| Australes | 2 | 1 |
| Marquises | 3 | 3 |
| Tuamotu-Gambier | 15 | 5 |
| Source | ||
| Leafy vegetables | 74 | 71 |
| Milk | 11 | 14 |
| Inhalation | 6 | 4 |
| Cistern rain water | 3 | 5 |
| Other foodstuffs | 1 | 2 |
| External irradiation | 5 | 4 |
| Radionuclides | ||
| 131I | 75 | 78 |
| 132I, 133I, 135I, 132Te | 18 | 16 |
| 137Cs | 2 | 2 |
| External irradiation | 5 | 4 |