Table 1.

Overall knowledge scores pre- and post-COVID-19 intervention by selected variables; final year high school students, Poland, 2020 (n = 518).

Variable	n	Pre-Intervention	SD	Post-Intervention	SD	p
Total	518	9.13	2.28	11.43	2.18	<0.0001
Gender
Males	342	8.74	2.69	11.31	2.64	<0.0001
Females	176	9.33	2.01	11.49	1.90	<0.0001
Division
Life science	376	8.87	2.41	11.20	2.38	<0.0001
Other	142	9.82	1.69	12.06	1.35	<0.0001
School Location by Number of Inhabitants
<250,000	376	9.47	2.04	11.74	1.88	<0.0001
≥250,000	142	8.22	2.62	10.62	2.67	<0.0001