Table 2.

Associations between frailty and the risk of incident peripheral vertigo.

Frailty status	Cases/person-years	Model 1a	Model 2b			Model 3c
		HR (95% CI)	p value	HR (95% CI)	p value	HR (95% CI)	p value
Non-frailty	1,113/3,383,879	-	-	-	-	-	-
Pre-frailty	1,432/2,819,661	1.46(1.35–1.58)	< 0.001	1.38(1.28–1.5)	< 0.001	1.36(1.26–1.48)	< 0.001
Frailty	257/277,764	2.59(2.26–2.97)	< 0.001	2.18(1.89–2.51)	< 0.001	2.05(1.77–2.37)	< 0.001

^aAdjusted for age, sex; ^bAdjusted for model 1, body mass index and townsend deprivation index; ^cAdjusted for model 2, ethnicity, smoking status, alcohol intake, physical activity and education level.