Table 4.

Estimated HRs for dementia, including interactions (individually) with sex, frailty and antivirals post‐exposure.

Variable	HR (95% CI)	Interaction p‐value
Sex		0.036
Female	0.89 (0.86, 0.93)
Male	0.96 (0.91, 1.01)
Grouped frailty index:		<0.001
Fit	0.97 (0.92, 1.02)
Mild frailty	0.91 (0.86, 0.96)
Moderate frailty	0.88 (0.82, 0.95)
Severe frailty	0.82 (0.73, 0.92)
Antivirals		0.774
No	0.91 (0.87, 0.96)
Yes	0.92 (0.89, 0.95)