Table 3.

The association between the incidence of pneumonia within the last one year and the frequency of denture cleaning.

Frequency of denture cleaning	All participants (n = 71,227)	65–74 years (n = 35,349)	≥75 y (n = 35,878)
	Stabilized ATE weighted	Stabilized ATE weighted	Stabilized ATE weighted
	OR (95% CI)	OR (95% CI)	OR (95% CI)
Daily	Ref.	Ref.	Ref.
Non-daily	1.30 (1.01–1.68)	0.98 (0.64–1.50)	1.58 (1.15–2.17)

Note: ATE = average treatment effect, OR = odds ratio, 95%CI = 95% confidence interval, Ref. = reference.