Dysphagia and masticatory performance as a mediator of the xerostomia to quality of life relation in the older population

Table 2 Hierarchical linear regression analysis of GOHAI scores associated with physical function, dental status, oral hygiene and oral function

	Model 1	Model 2	Model 3	Model 4
	β (95 % CI)	β (95 % CI)	β (95 % CI)	β (95 % CI)
Frailty
Pre-frailty vs. robust	-2.23 (-3.27, -1.19)	-2.13 (-3.16, -1.10)	-2.08 (-3.18, -0.98)	-1.38 (-2.46, -0.29)
Frailty vs. robust	-2.90 (-6.47, 0.67)	-2.84 (-6.38, 0.70)	-3.17 (-6.89, 0.55)	-2.83 (-6.44, 0.79)
Sarcopenia	-3.88 (-5.92, -1.84)	-3.82 (-5.84, -1.79)	-3.42 (-5.66, -1.17)	-2.59 (-4.78, -0.40)
Removable denture (yes)	-	0.29 (-0.85, 1.43)	0.25 (-0.90, 1.40)	0.52 (-0.68, 1.72)
Functional teeth (<20 teeth)		-2.21 (-3.40, -1.03)	-2.39 (-3.65, -1.14)	-1.87 (-3.26, -0.49)
PI			0.20 (-0.65, 1.05)	0.18 (-0.65, 1.02)
Tongue coating			0.06 (-0.07, 0.20)	0.04 (-0.10, 0.17)
Xerostomia				-3.93 (-5.36, -2.50)
Dysphagia				-2.78 (-4.08, -1.48)
Occlusal condition
B vs. A				-0.74 (-1.83, 0.34)
C vs. A				0.92 (-1.32, 3.16)
Masticatory
Moderate vs. good				-0.70 (-1.64, 0.25)
Poor vs. good				-1.06 (-2.42, 0.03)

PI Plaque index
Model 1: This model included demographic factors, frailty and sarcopenia.
Model 2: This model included demographic factors, frailty, sarcopenia, removable denture and functional teeth.
Model 3: This model included demographic factors, frailty, sarcopenia, removable denture, functional teeth, plaque index and tongue coating.
Model 4: This model included demographic factors, frailty, sarcopenia, removable denture, functional teeth, plaque index, tongue coating, xerostomia, dysphagia, occlusal condition and masticatory performance.

ISSN: 1471-2318