Table 5 Difference in the percentage of “Know” on the recognition level of the 20 technical terms regarding radiation among residents of the six prefectures
Miyagi (n = 172) | Fukushima (n = 173) | Tokyo (n = 171) | Aichi (n = 173) | Hiroshima (n = 171) | Nagasaki (n = 170) | Total (n = 1030) | ||
|---|---|---|---|---|---|---|---|---|
Term | Know (%) | Know (%) | Know (%) | Know (%) | Know (%) | Know (%) | Know (%) | Test |
Radioactive substance | 94.8 | 95.4 | 89.5 | 85.0 | 86.0 | 84.7 | 89.2 | ** |
Sievert | 94.2 | 95.4 | 87.1 | 84.4 | 83.6 | 84.1 | 88.2 | ** |
Internal radiation exposure | 91.3 | 96.0 | 87.1 | 80.3 | 83.0 | 82.4 | 86.7 | ** |
Radioactive cesium | 90.7 | 95.4 | 85.4 | 82.7 | 80.1 | 82.9 | 86.2 | ** |
WHO (World Health Organization) | 84.3 | 87.3 | 88.9 | 86.1 | 81.9 | 85.9 | 85.7 | n.s. |
X-ray | 86.0 | 89.0 | 81.9 | 82.7 | 80.1 | 86.5 | 84.4 | n.s. |
Becquerel | 91.3 | 94.8 | 80.1 | 77.5 | 76.6 | 80.0 | 83.4 | ** |
External radiation exposure | 84.3 | 93.6 | 81.3 | 71.7 | 76.0 | 77.6 | 80.8 | ** |
IAEA (International Atomic Energy Agency) | 70.9 | 83.8 | 77.2 | 65.3 | 63.7 | 64.7 | 71.0 | ** |
Radioactive strontium | 64.0 | 85.0 | 63.2 | 49.7 | 54.4 | 52.4 | 61.5 | ** |
Natural background radiation | 59.9 | 80.9 | 61.4 | 47.4 | 55.0 | 55.3 | 60.0 | ** |
Half-life | 59.3 | 86.7 | 60.8 | 51.4 | 50.9 | 42.4 | 58.6 | ** |
β-ray | 54.7 | 67.6 | 54.4 | 42.8 | 48.5 | 51.2 | 53.2 | ** |
Low-dose radiation exposure | 53.5 | 78.6 | 52.0 | 35.8 | 50.3 | 46.5 | 52.8 | ** |
Neutron ray | 44.2 | 64.7 | 51.5 | 48.0 | 47.4 | 49.4 | 50.9 | ** |
α-ray | 49.4 | 60.1 | 48.0 | 39.9 | 44.4 | 44.7 | 47.8 | ** |
γ-ray | 43.6 | 58.4 | 50.9 | 41.6 | 39.8 | 41.8 | 46.0 | ** |
Acute radiation exposure | 44.2 | 60.1 | 48.0 | 32.9 | 43.3 | 42.4 | 45.1 | ** |
ICRP (International Commission on Radiological Protection) | 21.5 | 41.6 | 25.7 | 17.3 | 24.0 | 22.9 | 25.5 | ** |
The law concerning the prevention from radiation hazards due to radioisotopes and others of Japan | 16.9 | 27.2 | 18.7 | 13.9 | 19.3 | 20.0 | 19.3 | n.s. |