Table 4 Multiple linear regression analysis of factors associated with ODK according to age

/pa/

Remaining teeth

Posterior teeth

Eichner index

-0.7666

-1.4339

-0.0992

0.0249 *

MP

0.0033

0.0002

0.0063

0.0345 *

0.0052

0.0014

0.009

0.0079 *

TP†

1.4090

0.3373

2.4807

0.0106 *

BF

Occluding area

HG

0.047

0.0156

0.0785

0.0038 *

0.0723

0.0242

0.1204

0.0037 *

Oral dryness

FIA

OHIP-14

-0.0382

-0.0757

-0.0008

0.0453 *

KMMSE

0.0562

0.0090

0.1034

0.0202 *

PHQ-9

-0.5732

-1.0954

-0.0511

0.0318 *

/ta/

Remaining teeth

Posterior teeth

Eichner index

-0.6904

-1.3453

-0.0356

0.0391 *

MP

0.0038

0.0008

0.0067

0.0140 *

0.0047

0.0011

0.0084

0.0118 *

TP†

1.0289

-0.0174

2.0751

0.0538 *

BF

0.0007

0.0002

0.0012

0.0052 *

Occluding area

0.0152

0.0020

0.0283

0.0244 *

0.0199

0.0001

0.0397

0.0491 *

HG

0.0489

0.0124

0.0854

0.0092 *

0.0738

0.0283

0.1194

0.0018 *

Oral dryness

FIA

OHIP-14

-0.0568

-0.0911

-0.0225

0.0015 *

KMMSE

0.0731

0.0292

0.1170

0.0014 *

PHQ-9

-0.6774

-1.2784

-0.0765

0.0276 *

-0.508

-0.9806

-0.0354

0.0355 *

/ka/

Remaining teeth

Posterior teeth

Eichner index

MP

0.0050

0.0012

0.0088

0.0097 *

TP†

1.3736

0.3068

2.4403

0.0123 *

BF

0.0005

0.0001

0.0010

0.0160 *

Occluding area

HG

0.0485

0.0165

0.0805

0.0033 *

0.0974

0.0520

0.1428

< 0.0001 *

Oral dryness

0.1152

0.0031

0.2274

0.0441 *

FIA

OHIP-14

KMMSE

0.8596

0.3369

1.3824

0.0016 *

PHQ-9

-0.5419

-1.0744

-0.0095

0.0461 *