Severe COVID anxiety among adults in the United Kingdom: cohort study and nested feasibility trial

BMC Psychiatry

Table 4 Multivariable associations with changes in CAS from baseline to 6 months

Factor	Category	Coefficient (95% CI)	p-value
Age ^(b)	-	-0.4 (-0.7, -0.1)	0.02
Lives with vulnerable	No	0	0.04
person	Yes	-1.1 (-2.2, -0.1)
CAS baseline	-	0.6 (0.4, 0.8)	< 0.001
GAD-7 baseline	Linear term	1.0 (0.1, 1.8)	0.007
GAD-7 baseline	Squared term	-0.04 (-0.07, -0.01)
sHAI baseline ^(a)	-	-0.7 (-1.1, -0.3)	0.001
GAD-7 reduction^c	-	0.2 (0.1, 0.3)	0.002
sHAI reduction ^(a)c	-	0.6 (0.1, 1.0)	0.02
PHQ-9 reduction ^(a)c	Linear term	0.1 (-0.5, 0.7)	0.01
PHQ-9 reduction ^(a)c	Squared term	0.3 (0.1, 0.5)

(^a) Regression coefficients reported for a 5-unit increase in variable
(^b) Regression coefficients reported for a 10-year increase in age
(^c) Reduction in these scores refers to the change in scores on these measures from baseline to the 6-month follow-up interview

ISSN: 1471-244X