Table 3.

Main demographics, vaccine literacy (VL) scores and attitudes toward vaccinations in the total populations and in participants aged < 65 years. Findings from the June 2020 and January 2021 surveys and level of significance.

Variable		June 2020 n = 885 (<65 yrs n = 803)	January 2021 n = 160 (<65 yrs n = 158)	p (*)
Sex (F %)		50%	62%	=0.006
Age classes	18–30 yrs	206 (23%)	89 (56%)	<0.001
	31–50 yrs	327 (37%)	36 (23%)
	51–65 yrs	270 (31%)	33 (20%)
	>65 yrs	82 (9%)	2 (1%)
Educational degree (§)	Secondary	356 (40%)	51 (32%)	n.s.
	Tertiary	478 (54%)	102 (64%)
	Others	21 (6%)	7 (4%)
Residence area	Northern	260 (30%)	42 (26%)	n.s.
	Central	455 (53%)	103 (65%)
	Southern	140 (17%)	14 (9%)
Functional VL mean score (SD) [95% CI]		2.92 (0.70) [2.87–2.97]	2.99 (0.63) [2.89–3.08]	n.s.
Functional VL mean score Participants < 65 yrs of age (SD) [95% CI]		2.92 (0.70) [2.87–2.97]	2.99 (0.63) [2.89–3.08]	n.s.
Interactive-critical VL mean score (SD) [95% CI]		3.27 (0.54) [3.23–3.30]	3.38 (0.46) [3.23–3.30]	=0.021
Interactive-critical VL mean score Participants < 65 yrs (SD) [95% CI]		3.28 (0.53) [3.25–3.32]	3.38 (0.46) [3.30–3.45]	n.s.
Willing receiving COVID-19 vaccine		816 (92%)	145 (91%)	n.s.
Willing receiving COVID-19 vaccine Participants < 65 yrs		743 (93%)	143 (91%)	n.s.
Planning/receiving seasonal flu vaccine		588 (66%)	95 (59%)	n.s.
Planning/receiving seasonal flu vaccine Participants < 65 yrs		516 (64%)	93 (59%)	n.s.
Planning receiving other vaccines		649 (73%)	104 (65%)	n.s.
Planning receiving other vaccines Participants < 65 yrs		590 (73%)	102 (65%)	n.s.

(*) = Mann–Whitney for independent samples, margin of error 5%; CI = confidence interval; n.s. = not statistically significant). (§) = Tertiary education = college, university, master; secondary education = high schools, professional schools; others = primary, lower secondary schools.