Table 2.

Results from ordered logistic regression of willingness to get a COVID-19 vaccine, controlling for demographic variables. The outcome was coded as disagree, neither disagree or agree, and agree. Values are provided as adjusted odds ratios (aOR) with corresponding 95% confidence intervals.

Variable	Level	aOR (95% CI)	p-value
Time Point			0.006
	April	1.00 (ref)
	November	0.78 (0.66 to 0.93)
Age group (vs 18–25 years)			<0.001
	26–40 years	0.87 (0.68 to 1.12)
	41–55 years	0.90 (0.69 to 1.16)
	56–90 years	1.79 (1.37 to 2.35)
Female Gender (vs Male)*		0.77 (0.65 to 0.92)	0.003
Education (vs High school or less)			<0.001
	Certificate I-IV	1.01 (0.83 to 1.23)
	University	1.62 (1.32 to 2.00)
Adequate health literacy (vs inadequate)		1.62 (1.33 to 1.98)	<0.001
Socioeconomic status, IRSAD quintile (vs 5th quintile)			0.002
	1st quintile	0.61 (0.48 to 0.79)
	2nd quintile	0.68 (0.53 to 0.88)
	3rd quintile	0.82 (0.64 to 1.05)
	4th quintile	0.79 (0.62 to 1.00)

^*Gender = “Other / Prefer not to say” was included in the model, however results are not displayed due to likely instability of estimates owing to the small sample size in this group (n = 5).