Model 1

Model 2

Model 3

Model 4

Odds ratio

95% confidence interval

p value

Odds ratio

95% confidence interval

p value

Odds ratio

95% confidence interval

p value

Odds ratio

95% confidence interval

p value

Low

High

Low

High

Low

High

Low

High

Aging awareness at present †

“I feel satisfied with my life now that I have lived for a long time”

0.513

0.427

0.617

<0.001

0.524

0.431

0.636

<0.001

0.597

0.481

0.742

<0.001

0.601

0.479

0.753

<0.001

Aging awareness in the past †

“I thought that aging would not be bad when I was young”

0.851

0.710

1.021

0.083

0.831

0.689

1.003

0.053

0.842

0.685

1.034

0.101

0.876

0.706

1.086

0.228

“I had a poor image of aging when I was young”

1.362

1.156

1.604

<0.001

1.350

1.141

1.597

<0.001

1.367

1.138

1.643

<0.001

1.377

1.138

1.666

<0.001

Health-related QOL

Physical function

0.996

0.961

1.032

0.821

0.995

0.959

1.033

0.795

SF-8 ‡

Role physical

1.005

0.966

1.045

0.819

0.999

0.958

1.043

0.979

Body pain

1.027

0.994

1.061

0.111

1.020

0.986

1.055

0.249

General health perceptions

0.961

0.915

1.009

0.113

0.970

0.922

1.022

0.255

Vitality

0.997

0.949

1.048

0.914

0.992

0.942

1.046

0.777

Social functioning

0.978

0.948

1.010

0.179

0.981

0.949

1.015

0.266

Role emotional

0.970

0.934

1.007

0.107

0.975

0.936

1.015

0.211

Mental health

0.934

0.895

0.975

0.002

0.932

0.892

0.973

0.002

Social networks

LSNS-6 §

0.942

0.899

0.987

0.012

Support from a child

A child lives near the individual and can come quickly if needed (Yes = 1, No = 0)

0.750

0.425

1.325

0.322

Used care service (use = 1, No use = 0)

Home nursing

0.786

0.312

1.978

0.609

Home care

0.698

0.400

1.220

0.207

Daycare/Day Service

1.026

0.579

1.819

0.929

Attributes

Age

0.990

0.956

1.026

0.589

0.982

0.944

1.022

0.371

0.983

0.942

1.026

0.437

Gender (male = 1, female = 0)

0.974

0.556

1.706

0.925

0.881

0.476

1.631

0.686

1.049

0.544

2.026

0.886

Duration of living alone

1.019

1.001

1.037

0.039

1.019

0.999

1.039

0.057

1.019

0.999

1.040

0.067

Long-term care needs level‖

1.092

0.878

1.360

0.428

1.010

0.789

1.292

0.937

0.997

0.756

1.314

0.982

Economic status¶

0.557

0.377

0.824

0.003

0.668

0.431

1.034

0.070

0.780

0.492

1.235

0.289

χ2

P < 0.001

P < 0.001

P < 0.001

P < 0.001

Predictive accuracy (%)

72.2

70.4

74.9

76.0