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Table 1 Participant Characteristics

From: Socioeconomic status and remaining teeth in Japan: results from the Toyama dementia survey

 

Remaining teeth

P

No (n = 275)

Yes (n = 898)

n

%

n

%

Attribution

Age (years)

65–74

56

20.4

512

57.0

< 0.001

75–84

114

41.5

308

34.3

 

≥85

105

38.2

78

8.7

 

Sex

Male

129

46.9

379

42.2

0.186

Female

146

53.1

519

57.8

 

Educational attainment

Years of education

≤6

48

17.5

30

3.3

< 0.001

7–9

112

40.7

318

35.4

 

≥10

115

41.8

550

61.2

 

Occupation

Type of occupation

White-collar

73

26.5

393

43.8

< 0.001

Blue-collar

137

49.8

295

32.9

 

Both

42

15.3

154

17.1

 

Other

23

8.4

56

6.2

 

Lifestyle

Alcohol consumption habit

Current drinker

63

22.9

329

36.6

< 0.001

Former drinker

42

15.3

65

7.2

 

Nondrinker

170

61.8

504

56.1

 

Smoking habit

Current smoker

33

12.0

79

8.8

0.016

Former smoker

87

31.6

228

25.4

 

Nonsmoker

155

56.4

591

65.8

 

Medical History

Hypertension

Yes

137

49.8

410

45.7

0.240

No

138

50.2

488

54.3

 

Hyperlipidemia

Yes

41

14.9

166

18.5

0.205

No

234

85.1

732

81.5

 

Diabetes

Yes

59

21.5

131

14.6

0.009

No

216

78.5

767

85.4

 

Stroke

Yes

31

11.3

70

7.8

0.085

No

244

88.7

828

92.2

 

Angina pectoris/ cardiovascular disease

Yes

37

13.5

69

7.7

0.005

No

238

86.5

829

92.3

 

Malignant tumor

Yes

31

11.3

101

11.2

1.000

No

244

88.7

797

88.8

 

Osteoporosis

Yes

40

14.5

82

9.1

0.013

No

235

85.5

816

90.9