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| Characteristics | Summary statisticsa | |
|---|---|---|
| Knowledge score (points) (range) | 16.2 ± 2.1 (6 - 20) | |
| Score groups | ||
| ≤5 | 0 | |
| 6 – 10 | 18 (2.5) | |
| 11 – 15 | 212 (29.1) | |
| ≥16 | 498 (68.4) | |
| Knowledge level | ||
| Poor | 350 (48.1) | |
| Good | 378 (51.9) | |
amean ± SD (min - max) for continuous variables and n (%) for categorical variables.
