Table 5 Adjusted logistic regression analyses on propensity-matched data in adults and elderly

Chewing problem

 No

1

1

 Yes

1.039 (.833–1.297)

.732

1.083 (.833–1.408)

.552

Speaking problem

 No

1

1

 Yes

1.007 (.719–1.412)

.966

1.346 (.929–1.948)

.116

Use of oral hygiene supplies

 No

1

1

 Yes

.928 (.780–1.104)

.398

1.122 (.861–1.463)

.392

Oral examination in the last 1 year

 No

1

1

 Yes

1.028 (.846–1.249)

.781

.852 (.621–1.169)

.320

Tooth brushing per day

 < 3 times

1

1

 ≥ 3 times

.935 (.794–1.101)

.418

.867 (.681–1.105)

.248

Preventive dental treatment

 No

1

1

 Yes

1.117 (.908–1.375)

.293

.899 (.650–1.244)

.519

Dental hospital use

 No

1

1

 Yes

.993 (.771–1.280)

.960

1.053 (.744–1.490)

.769

Simple dental treatment

 No

1

1

 Yes

1.042 (.805–1.348)

.755

.870 (.574–1.317)

.509

Dental nerve treatment

 No

1

1

 Yes

1.023 (.797–1.313)

.860

.793 (.567–1.109)

.174

Gingival disease treatment

 No

1

1

 Yes

1.073 (.863–1.334)

.524

1.158 (.835–1.604)

.378

Tooth extraction or oral surgery

 No

1

1

 Yes

1.048 (.788–1.395)

.746

1.327 (.924–1.905)

.125

Number of remaining teeth

 < 20

1

1

 ≥ 20

1.116 (.865–1.440)

.396

.927 (.726–1.185)

.546

Permanent dental caries patients

 No

1

1

 Yes

1.058 (.881–1.272)

.543

.837 (.645–1.086)

.180

Prevalence of periodontal disease

 No

1

1

 Yes

1.210 (1.020–1.436)

.028

1.161 (.911–1.480)

.228