Table 3 Wilcoxon signed rank test... | Emerald Publishing

Table 3

Wilcoxon signed rank test showing the comparison of pre-and post-pandemic food safety knowledge

FSK	Pre-pandemic		Post-pandemic
	Mean ± SD	Percentage^a	Mean ± SD	Percentage^a	Z	p
Personal hygiene	0.59 ± 0.772	10.1	1.57 ± 0.829	36.4	−16.7	<0.001***
Cross contamination	1.67 ± 1.160	46.9	1.78 ± 1.333	48.5	−1.81	0.07
Safe storage	1.23 ± 1.287	38.6	1.24 ± 1.283	39.2	−0.19	0.84
Foodborne disease	3.26 ± 1.830	35	3.26 ± 1.766	35.6	−0.06	0.94
Temperature control	0.82 ± 1.268	24.9	0.82 ± 1.260	25	−0.36	0.71
Overall knowledge	7.59 ± 4.129	28.8	8.68 ± 4.975	38.2	−5.47	<0.001***

FSK	Pre-pandemic		Post-pandemic
	Mean ± SD	Percentage^a	Mean ± SD	Percentage^a	Z	p
Personal hygiene	0.59 ± 0.772	10.1	1.57 ± 0.829	36.4	−16.7	<0.001***
Cross contamination	1.67 ± 1.160	46.9	1.78 ± 1.333	48.5	−1.81	0.07
Safe storage	1.23 ± 1.287	38.6	1.24 ± 1.283	39.2	−0.19	0.84
Foodborne disease	3.26 ± 1.830	35	3.26 ± 1.766	35.6	−0.06	0.94
Temperature control	0.82 ± 1.268	24.9	0.82 ± 1.260	25	−0.36	0.71
Overall knowledge	7.59 ± 4.129	28.8	8.68 ± 4.975	38.2	−5.47	<0.001***

Note(s): p < 0.001***, a = Shows “Good” level of knowledge and FSK – Food safety knowledge

Source(s): Authors’ own work