Table 3 Factors associated with oral frailty according to the OFI-8

Marriage

married

1

1

widowed/unmarried

1.53 (0.73, 3.22)

0.26

1.78 (0.81, 3.90)

0.15

Employment status

employed

1

1

retired

1.29 (0.54, 3.05)

0.57

1.30 (0.54, 3.14)

0.56

others

2.06 (0.63, 6.74)

0.23

2.11 (0.63, 7.10)

0.23

Source of income

pension

1

1

child support or others

0.5 (0.24, 1.04)

0.06

0.52 (0.24, 1.11)

0.09

government subsidy

0.87 (0.46, 1.63)

0.66

0.87 (0.45, 1.69)

0.68

Alcohol drinking

no

1

1

yes

0.65 (0.34, 1.24)

0.19

0.52 (0.26, 1.05)

0.07

Passive smoking

no

1

1

yes

1.79 (0.94, 3.43)

0.08

2.04 (1.03, 4.03)

0.04

Sedentary time

<5 h/d

1

1

5 ~ 8 h/d

0.58 (0.32, 1.03)

0.06

0.54 (0.30, 0.98)

0.044

≥ 8 h/d

0.47 (0.14, 1.56)

0.22

0.44 (0.13, 1.50)

0.19

Frailty

robustness

1

1

pre-frailty

1.37 (0.78, 2.40)

0.27

1.41 (0.80, 2.48)

0.24

frailty

2.23 (0.95, 5.26)

0.07

2.09 (0.88, 4.95)

0.10

Hypertension

no

1

1

yes

1.36 (0.81, 2.29)

0.24

1.41 (0.83, 2.40)

0.20

Coronary heart disease

no

1

1

yes

2.14 (0.73, 6.27)

0.16

2.08 (0.71, 6.10)

0.18