Table 4 The associations between oral health and cognitive impairment (OR (95%CI)).

DT

1

1.20 (1.01, 1.41)

1.16 (0.96, 1.38)

1.32 (1.00, 1.75)

2

1.09 (0.90, 1.31)

1.00 (0.81, 1.23)

1.42 (1.01, 2.04)

MT

1

1.03 (0.88, 1.21)

1.04 (0.87, 1.24)

1.00 (0.73, 1.32)

2

0.96 (0.79, 1.15)

0.96 (0.78, 1.17)

0.99 (0.63, 1.49)

FT

1

0.96 (0.81, 1.13)

0.92 (0.74, 1.11)

1.11 (0.82, 1.41)

2

0.94 (0.75, 1.14)

0.92 (0.71, 1.13)

1.01 (0.66, 1.39)

DMFT

1

1.11 (0.94, 1.31)

1.10 (0.92, 1.31)

1.15 (0.86, 1.54)

2

1.00 (0.82, 1.20)

0.96 (0.78, 1.17)

1.24 (0.83, 1.85)

DFRoot

1

0.99 (0.84, 1.16)

0.97 (0.81, 1.16)

1.00 (0.75, 1.30)

2

0.98 (0.82, 1.17)

0.95 (0.77, 1.15)

1.05 (0.77, 1.43)

CI

1

1.24 (1.04, 1.48)

1.20 (1.00, 1.45)

1.36 (0.98, 1.94)

2

1.22 (1.00, 1.48)

1.21 (0.99, 1.49)

1.31 (0.86, 2.04)

GBI

1

0.97 (0.82, 1.15)

0.98 (0.82, 1.17)

0.92 (0.68, 1.25)

2

1.00 (0.83, 1.21)

0.99 (0.81, 1.21)

0.98 (0.68, 1.41)

PD

1

0.98 (0.83, 1.16)

1.02 (0.86, 1.21)

0.79 (0.53, 1.13)

2

1.04 (0.86, 1.25)

1.07 (0.88, 1.29)

0.97 (0.60, 1.51)

CAL

1

1.06 (0.89, 1.25)

1.09 (0.92, 1.29)

0.87 (0.60, 1.22)

2

1.08 (0.90, 1.29)

1.11 (0.92, 1.33)

0.98 (0.61, 1.51)

Severity of periodontitis

1

0.79 (0.57, 1.10)

0.80 (0.56, 1.14)

0.70 (0.37, 1.30)

2

0.89 (0.61, 1.30)

0.87 (0.58, 1.30)

0.86 (0.40, 1.83)

Restoration of missing teeth

1

1.06 (0.76, 1.47)

1.11 (0.78, 1.57)

0.80 (0.42, 1.50)

2

1.11 (0.76, 1.62)

1.05 (0.70, 1.57)

1.22 (0.56, 2.67)