Skip to main content
. 2022 Nov 3;18(1):43–55. doi: 10.1007/s00003-022-01405-w

Table 4.

Knowledge of participants on cross-contamination

Questions n Category Participants (n) Percentage (%)
1. A refrigerator has three shelves; on which shelf do you think ready to eat food should be placed? 1543 At the top shelf with protective cover 700 45.4
On the middle shelf 133 8.6
At designated shelf as long as not next to raw food 619 40.1
It doesn’t matter 91 5.9
2. After buying fresh chicken you should … 1553 Keep it in the bottom of the fridge with the single airtight container 1158 74.6
Keep in the top shelf in an original packaging 192 12.4
Keep in the fridge anywhere 181 11.7
Marinade for few hours to improve taste 22 1.4
3. I use a separate chopping board and knife to prepare raw meat and ready to eat food 1554 Not aware of the need 38 2.4
It doesn’t matter 25 1.6
I rinse them in between 371 23.9
Yes, I have a separate set. 1120 72.1
4. Salmonella contaminates kitchen wall, worktop and cookery can be effectively cleaned with the following. 1534 Antibacterial spray and wipe with a kitchen towel 956 62.3
Detergent and warm water using a kitchen towel 477 31.1
May not clean, Salmonella can be resistant to the antimicrobial agent 89 5.8
Just wipe away with a kitchen towel 12 0.8
5. What is the recommended 1553 0 ℃ 112 7.2
temperature for a refrigerator? 4 ℃ 1266 81.5
12 ℃ 61 3.9
Below 0 ℃ 114 7.3
Total Pass 1194 79.7
Mean score ± standard deviation 3.35 ± 1.14

Passing scores: 3 or more correct answers out of 5 questions

The correct answers are highlighted in bold