Table 5 Multinomial logistic regression of OHRQoL

Sex

 Women

1.08 (0.99–1.49)

1.11 (0.40–1.40)

1.08 (0.99–1.18)

1.21 (0.94–1.56)

0.09

0.40

0.12

0.13

 Men^a

Age (in years)

  ≥ 70

1.06 (0.95–1.19)

1.27 (0.86–1.87)

0.99 (0.88–1.13)

1.27 (0.68–1.50)

0.32

0.23

0.94

0.31

 50–69

1.18 (1.09–1.27)

1.68 (1.28–2.20)

1.07 (0.97–1.17)

1.24 (0.93–1.66)

< 0.01

< 0.01

0.22

0.06

  < 50

Evacuation from home

 Yes

1.05 (0.97–1.13)

1.02 (0.81–1.30)

0.85 (0.72–1.00)

0.83 (0.64–1.08)

0.25

0.86

0.06

0.16

 No

Receiving dental treatments before disaster

 Yes

1.98 (1.60–2.46)

2.13 (1.59–2.85)

1.49 (1.15–1.93)

1.44 (1.04–1.99)

< 0.01

< 0.01

< 0.01

0.03

 No

Lost or fractured dentures

 Yes

2.57 (1.83–3.60)

2.32 (1.54–3.50)

1.92 (1.29–2.86)

1.99 (1.27–3.14)

< 0.01

< 0.01

< 0.01

< 0.01

 No

Self-rated systemic health

Poor/very poor

2.05 (1.75–2.39)

6.15 (3.58–10.6)

1.59 (1.30–1.95)

2.46 (1.45–4.17)

< 0.01

< 0.01

< 0.01

< 0.01

 Fair

1.13 (1.09–1.18)

3.03 (1.88–4.87)

1.09 (1.05–3.00)

1.97 (1.29–3.00)

< 0.01

< 0.01

< 0.01

< 0.01

 Good

SPD (K6 ≥ 13)

 Yes

1.97 (1.71–2.27)

2.32 (1.82–2.95)

1.30 (1.09–1.57)

1.28 (0.97–1.68)

< 0.01

< 0.01

< 0.01

0.08

 No

Economic status

 Severe

1.13 (1.03–1.25)

1.17 (0.93–1.46)

1.07 (0.95–1.20)

0.90 (0.88–1.42)

0.01

0.19

0.27

0.37

 Normal

Number of present teeth

 Edentulous

1.04 (0.84–1.28)

1.75 (1.19–2.55)

0.88 (0.69–1.12)

1.03 (0.69–1.54)

0.74

< 0.01

0.28

0.88

 1–19

1.51 (1.32–1.71)

1.91 (1.44–2.53)

1.11 (0.94–1.32)

1.08 (0.80–1.46)

< 0.01

< 0.01

0.22

0.62

 20 or more

Having one or more decayed teeth

 Yes

1.30 (1.14–1.80)

1.54 (1.20–1.97)

1.20 (1.03–1.39)

1.36 (1.04–1.77)

< 0.01

< 0.01

0.03

0.02

 No

CPI code 4

 Yes

1.58 (1.18–2.13)

1.43 (0.97–2.11)

1.29 (0.91–1.83)

1.35 (0.89–2.07)

< 0.01

0.08

0.18

0.16

 No

Having one or more moving teeth at grade 2 or 3

 Yes

2.21 (1.60–3.06)

1.73 (1.14–2.64)

1.09 (0.70–1.70)

0.89 (0.53–1.49)

< 0.01

0.01

0.71

0.66

 No