Table 3.
Knowledge and beliefs of the questioned sample of Polish secondary school students based on the time of handwashing which in their opinion is required.
| Time of Handwashing | Males (n = 814) |
Females (n = 1509) |
p ** |
|---|---|---|---|
| Less than 5 s | 3 (0.4%) | 5 (0.3%) | <0.0001 |
| 5–10 s | 31 (3.8%) | 29 (1.9%) | |
| 11–20 s | 97 (11.9%) | 153 (10.1%) | |
| 21–40 s * | 536 (65.8%) | 1120 (74.2%) | |
| More than 40 s * | 82 (10.1%) | 144 (9.5%) | |
| Time does not matter | 37 (4.5%) | 20 (1.3%) | |
| I don’t know | 28 (3.4%) | 38 (2.5%) | |
| Wrong answers | 168 (20.6%) | 207 (13.7%) | <0.0001 |
| Proper answers | 618 (75.9%) | 1264 (83.8%) | |
| I don’t know | 28 (3.4%) | 38 (2.5%) |
* Answer interpreted as proper behavior (proper answers); ** chi2 test.