Table 2. Assessment of the level of public knowledge, knowledge gaps, and misconceptions regarding radiation exposure risks.
Public knowledge, knowledge gaps, and misconceptions regarding radiation exposure risks are presented in frequencies (n) and percentages (%).
| Frequency (n = 429) | Percent (out of 100%) | ||
| Have you ever received information about the risks associated with the use of radiological imaging (radiography) for medical examinations? | No | 160 | 37.3% |
| Yes | 269 | 62.7% | |
| From which healthcare professional would you prefer to receive information about the risks associated with ionizing radiation? | Radiologist | 374 | 87.1% |
| Radiographer | 223 | 51.9% | |
| Medical physicist | 112 | 26.1% | |
| General practitioner | 112 | 26.1% | |
| Are you aware of the natural sources of ionizing radiation to which we are all exposed? | No | 290 | 67.6% |
| Yes | 139 | 32.4% | |
| Which of these radiological examinations involve exposure to ionizing radiation? | CT | 187 | 43.5% |
| MRI | 105 | 24.4% | |
| Mammogram | 88 | 20.5% | |
| Ultrasound | 96 | 22.3% | |
| Which imaging test exposes a person to the highest radiation dose? | Chest X-ray | 93 | 21.7% |
| CT of the chest | 158 | 36.8% | |
| Both have equal | 178 | 41.5% | |
| A person emits radiation after which of these tests? | CT with contrast | 22 | 5.1% |
| Contrast USG | 15 | 3.5% | |
| Scintigraphy (nuclear rays) | 97 | 22.6% | |
| All of the above | 47 | 11.0% | |
| Don't know | 233 | 54.3% | |
| None of the above | 15 | 3.5% | |
| For an abdominal CT scan, how does the radiation dose compare between a thinner patient (60 kg) and a larger patient (100 kg)? | Equal | 54 | 12.6% |
| Higher in heavier patients | 84 | 19.6% | |
| Higher in the lighter patient | 32 | 7.5% | |
| I don't know | 259 | 60.4% | |
| How dangerous do you think it is to undergo radiological tests using ionizing radiation? | Not dangerous | 57 | 13.3% |
| Kind of dangerous | 300 | 69.9% | |
| Very dangerous | 72 | 16.8% | |
| For which demographic is it riskier to undergo a radiological test using ionizing radiation? | A child | 229 | 53.4% |
| 25-year-old man | 4 | 0.9% | |
| 25-year-old woman | 16 | 3.7% | |
| Middle-aged adult | 22 | 5.1% | |
| Elderly | 33 | 7.7% | |
| No difference (similar risk) | 125 | 29.1% | |