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Table 1 Descriptive characteristics and proportions of Brazilians adults and elders and age-standardised prevalence of levels of tooth loss in Brazilian National Health Survey 2019 (n = 88,531)

From: Last dental visit and severity of tooth loss: a machine learning approach

Individual variables

n = 65,803

%

Presence of Functional dentition**

 

n = 22,728

%

Severe tooth loss **

% (95% CI)

   

% (95% CI)

Individual variables

Adults (Prevalence = 89,5%)

 

Elders (Prevalence = 65,5%)

Racial Groups

       

Whites

22,508

41.3

91.4 (90.8; 92.0)

 

9901

50.5

60.1 (57.3; 62.9)

NonWhites*

43,295

58.7

88.0 (87.5; 88.5)

 

12,827

49.5

70.3 (68.2; 72.2)

Sex

       

Female

34,334

52.2

87.8 (87.2; 88.4)

 

12,535

56.7

69.4 (67.3; 71.4)

Male

31,469

47.8

91.4 (90.9; 91.9)

 

10,193

43.3

59.4 (57.1; 61.5)

Per capita Income

       

< 1 minimum wage

38,046

53.8

85.4 (84.8; 85.9)

 

10,250

41.7

75.2 (73.5; 76.8)

≥ 1 minimum wage

27,738

46.2

93.3 (92.8; 93.7)

 

12,475

58.2

57.9 (55.3;60.3)

Schooling

       

< 8 years

25,689

34.9

83.8 (83.2; 84.4)

 

16,414

70.1

71.2 (69.1; 73.2)

≥ 8 years

40,114

65.1

95.0 (94.7; 95.2)

 

6314

29.9

38.9 (36.0; 41.9)

Smoke

       

yes/in the past

21,162

32.3

86.5 (85.9; 87.1)

 

11,117

50.3

65.8 (63.4; 67.3)

never

44,641

67.7

91.5 (91.0; 92.0)

 

11,611

49.7

65.4 (63.2; 68.3)

Dentist visit last 24 months

       

yes

45,081

71.1

91.9 (91.5; 92.4)

 

9942

47.4

44.8 (42.0; 47.6)

no

20,722

28.9

85.0 (84.3; 85.6)

 

12,786

52.6

77.2 (75.5; 78.7)

Age Groups

18–34

24,115

40.8

99.4 (99.2; 99.5)

60–69

24,247

56.3

38.4 (36.9; 39.9)

35–44

18,033

25.8

95.3 (94.8; 95.8)

70–79

13,209

30.1

59.0 (57.0; 61.0)

45–59

23,655

33.4

74.4 (73.4; 75.4)

80 +

6098

13.6

78.5 (74.9; 81.7)

  1. * Browns/Blacks/Indigenous/Asian
  2. ** Age-standardized