Table 3.

Multinomial regression of predictors of response to the question “Would you take a COVID-19 vaccine (approved for use in the UK) if offered?” in students in years 8–13, with the reference group as those who described themselves as opting-in to getting a vaccine (n = 15099¹).

		Undecided (N = 1688)			Opt-out (N = 4874)
Variablereference category	Category	OR	95%CI	p-value5	OR	95%CI	p-value5
Age, years		0.80	0.78-0.83	<0.001	0.80	0.77-0.84	<0.001
Gender, male	Female	0.86	0.8-0.94	<0.001	1.05	0.93-1.19	0.405
	Other/Prefer not to answer	0.62	0.52-0.74	0<.001	0.60	0.45-0.79	<0.001
UK Born,both parents born in the UK	Neither parent born in UK	1.22	1.12-1.32	<0.001	0.96	0.85-1.08	0.461
	Would rather not say	2.30	1.79-2.96	<0.001	2.13	1.53-2.98	<0.001
Deprivation quintile, 5th quantile (least deprived)	Quintile 4	1.28	1.12-1.48	0.001	1.19	0.95-1.5	0.130
	Quintile 3	1.48	1.29-1.7	<0.001	1.58	1.28-1.95	<0.001
	Quintile 2	2.11	1.89-2.35	<0.001	2.71	2.3-3.18	<0.001
	Quintile 1	1.60	1.44-1.77	<0.001	2.06	1.77-2.4	<0.001
Accommodation, parents’ home is owned	Don't know	2.15	1.94-2.39	<0.001	2.14	1.85-2.48	<0.001
	Home is rented	1.53	1.39-1.69	<0.001	1.84	1.61-2.11	<0.001
Covid status,No not had Covid	Possibly had COVID	1.00	0.91-1.1	0.977	1.11	0.97-1.27	0.137
	Probably had COVID	1.00	0.87-1.14	0.947	1.55	1.3-1.85	<0.001
	Yes had COVID (confirmed by test)	1.10	0.95-1.27	0.202	1.40	1.15-1.7	0.001
Smoking,never smoked	Sometimes or often	1.56	1.3-1.87	<0.001	1.71	1.34-2.17	<0.001
Exercise,more than 1 h per week	1 hour or less	1.31	1.16-1.48	<0.001	1.15	0.96-1.37	0.120
Time on social media,less than 4 h a day	4 hours or more	1.49	1.36-1.63	<0.001	1.51	1.33-1.72	<0.001
Feelings about school community2		1.10	1.07-1.14	<0.001	1.16	1.11-1.2	<0.001
Been bullied in the last year,never or once or twice	Bullied sometimes or often	1.07	0.91-1.26	0.387	1.28	1.03-1.6	0.027
Loneliness, never or sometimes lonely	Often lonely	1.08	0.96-1.21	0.223	0.96	0.81-1.14	0.626
RCADS score3		0.85	0.8-0.9	<0.001	0.81	0.74-0.88	<0.001
B-CAP score4		1.02	0.96-1.08	0.558	1.08	1-1.18	0.058
(Intercept)		3.94	2.56-6.05	<0.001	0.88	0.46-1.69	0.709

¹Imputed sample data

²Scored 1 to 7 on a likert scale, with 1 being strongly agree and 7 being strongly disagree

³RCADS = Revised Children's Anxiety and Depression Scale, total score higher scores are more severe

⁴B-CAP = The Bird Checklist of Adolescent Paranoia

⁵p-values < 0.05 are in bold