Table 2.
Descriptive statistics and Kruskal-Wallis test of score questionnaire between the level of awareness of radiation knowledge, years of experience and geographic distribution
| Questionnaire score | ||||||||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | Median | IQR | Min–max | n | p value | ||
| How do you consider your knowledge level about ionising radiation related risks | Excellent | 7.6 | 3.4 | 7 | 6–10 | 1–14 | 11 | ns |
| Good | 8.3 | 2.4 | 8 | 7–10 | 2–14 | 199 | ||
| Sufficient | 8.7 | 2.6 | 9 | 7--11 | 1–16 | 478 | ||
| Insufficient | 8.1 | 3.3 | 8 | 6–11 | 1–14 | 77 | ||
| What is your level of experience | Less than 3 years | 9.7 | 2.3 | 10 | 8–11 | 2–16 | 175 | <0.001 |
| 4-10 years | 8.8 | 2.4 | 9 | 7–10 | 1–14 | 180 | ||
| 11-20 years | 8.0 | 2.5 | 8 | 6–9 | 1–14 | 144 | ||
| More than 20 years | 7.9 | 2.7 | 8 | 6--10 | 1–14 | 250 | ||
| Regional division | North | 8.9 | 2.2 | 9 | 8–11 | 5–14 | 150 | ns |
| Centre | 8.2 | 2.5 | 8 | 7–10 | 2–14 | 184 | ||
| South | 8.6 | 2.8 | 9 | 6–11 | 1–14 | 175 | ||
| Islands | 7.8 | 2.6 | 8 | 6–10 | 1–13 | 187 | ||
SD standard deviation, IQR interquartile range, Min-max minimum and maximum values, n number, ns not significant