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Table 1 Characteristics of respondents: the Japanese Study of Aging and Retirement (JSTAR), 2009

From: Wealth-related versus income-related inequalities in dental care use under universal public coverage: a panel data analysis of the Japanese Study of Aging and Retirement

   

Number

Percent

Need variables

 

Age

  

52–59 years

588

(22.8)

  

60–64 years

537

(20.8)

  

65–69 years

585

(22.7)

  

≥70 years

871

(33.7)

 

Use of denturesa

  

Yes

1290

(50.0)

  

No

1291

(50.0)

 

Chewing abilitya

  

Very well

1556

(60.3)

  

Fairly well

924

(35.8)

  

Not well

101

(3.9)

Non-need variables

 

Sex

  

Men

1317

(51.0)

  

Women

1264

(49.0)

 

Marital status

  

Married/Common-law

2090

(81.0)

  

Others

491

(19.0)

 

Educational attainment

  

Elementary/Junior high school

908

(35.2)

  

Senior high school

1090

(42.2)

  

>Senior high school

583

(22.6)

 

Work status

  

Working

1349

(52.3)

  

Not working

1232

(47.7)

  1. aData on use of dentures and chewing ability were derived from the first wave of JSTAR, 2007