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Table 3 Prevalence of mild, moderate, and severe periodontitis among different groups of patients visiting HSDM

From: Prevalence of periodontitis and alveolar bone loss in a patient population at Harvard School of Dental Medicine

Percentage (%)

 

N (%)

Mild

SE

Moderate

SE

Severe

SE

MABL* (mm)

SE

Total

1131 (100.0)

55.5

1.4

20.7

1.2

2.8

0.5

1.30

0.006

Age Groups (yrs)

  < 30

247 (21.8)

17.0

2.3

1.2

0.7

0.0

n/a

0.77

0.006

 30–34

108 (9.5)

33.3

4.5

3.7

1.8

0.9

0.9

0.90

0.012

 35–49

305 (27.0)

51.8

2.8

12.7

1.9

1.9

0.8

1.24

0.010

 50–64

300 (26.5)

80.6

2.2

37.3

2.8

4.3

1.1

1.80

0.013

 65+

171 (15.1)

86.5

2.6

44.5

3.8

7.0

1.9

2.04

0.019

Gender

 Male

508 (44.9)

57.0

2.2

24.1

1.9

4.3

0.9

1.34

0.009

 Female

623 (55.1)

54.1

1.9

18.0

1.5

1.6

0.5

1.26

0.008

Race

 White

413 (36.5)

56.1

2.4

20.3

1.9

2.6

0.7

1.30

0.009

 African American

100 (8.8)

53.0

5.0

27.0

4.4

9.0

2.8

1.36

0.028

 Asian

85 (7.5)

62.3

5.2

29.4

4.9

1.1

1.1

1.43

0.020

 Other

250 (22.1)

58.0

3.1

20.0

2.5

1.6

0.7

1.29

0.012

 Unknown

283 (25.0)

48.2

3.2

15.1

2.3

3.0

1.1

1.24

0.013

Median Household Income

 Lower than median

510 (45.1)

55.1

2.2

22.1

1.8

3.9

0.8

1.32

0.009

 Higher than median

621 (54.9)

55.5

1.9

19.4

1.6

1.9

0.5

1.28

0.007

Body Mass Index

 Underweight

27 (2.4)

18.5

7.6

11.1

6.1

0.0

n/a

0.92

0.031

 Normal

413 (36.5)

52.5

2.4

19.1

1.9

2.6

0.8

1.23

0.009

 Overweight

263 (23.2)

60.8

3.0

23.2

2.6

2.2

0.9

1.40

0.013

 Obese

137 (12.1)

59.1

4.2

23.4

3.6

3.6

1.6

1.45

0.021

 Not reported

291 (25.7)

56.0

2.9

20.3

2.3

3.4

1.0

1.30

0.011

Smoking Status

 Never smoker

668 (59.0)

49.5

1.9

15.8

1.4

2.3

0.6

1.19

0.007

 Former smoker

141 (12.4)

70.2

3.8

41.1

4.1

4.2

1.7

1.72

0.021

 Current Smoker

82 (7.2)

58.5

5.4

19.5

4.4

2.4

1.70

1.41

0.023

 Not Reported

240 (21.2)

61.6

3.1

22.5

2.7

3.3

1.1

1.38

0.013

Diabetes

 Yes

60 (5.3)

75.0

5.6

40.0

6.3

6.7

3.2

1.81

0.038

 No

1071 (94.7)

54.2

1.5

19.6

1.2

2.6

0.5

1.28

0.006

CVD

 Yes

132 (11.7)

79.5

3.5

32.6

4.1

3.0

1.5

1.66

0.020

 No

999 (88.3)

52.1

1.5

19.1

1.2

2.8

0.5

1.26

0.006

Hypertension

 Normal

346 (30.6)

46.8

2.6

15.6

1.9

1.4

0.6

1.18

0.009

 Elevated

157 (13.9)

54.1

3.9

21.6

3.2

3.8

1.5

1.35

0.016

 Stage 1

281 (24.9)

59.7

2.9

24.5

2.5

2.1

0.8

1.37

0.012

 Stage 2

125 (11.0)

70.4

4.1

31.2

4.1

8.0

2.4

1.61

0.023

 Not reported

222 (19.6)

55.4

3.3

17.1

2.5

2.2

0.9

1.23

0.013

  1. N = 1131 patients (20,760 sites from 12,965 teeth)
  2. *MABL Mean alveolar bone “level” in millimeter