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Table 2 Oral hygiene habits association with BMI of the participants

From: Relationship of BMI with the diet, physical activity and oral hygiene practices amongst the dental students

Variable

Underweight

Healthy

Overweight

Obese

P value

Tooth brushing

Once daily

16 (57.1%)

28(26.4%)

30(19.5%)

42(43.8%)

 < 0.001**

Twice daily

10 (35.7%)

74(69.8%)

122(79.2%)

46(47.9%)

Thrice daily

2 (7.1%)

4 (3.8%)

2(1.3%)

8(8.3%)

Interdental cleaning aids

Miswak

0

6 (5.7%)

28(18.2%)

8(8.3%)

0.004*

Floss

8(28.6%)

32(30.2%)

40(26%)

28(29.2%)

Mouthwash

12(42.9%)

58(54.7%)

60(39%)

48(50%)

Brushing techniques

Horizontal

14(50%)

26(24.5%)

22(14.3%)

40(41.7%)

 < 0.001**

Modified Bass

0

0

12(7.8%)

6(6.3%)

Modified Stillman

0

4(3.8%)

0

0

Scrub

10(35.7%)

52(49.1%)

80(51.9%)

42(43.8%)

vertical

4(14.3%)

24(22.6%)

40(26%)

8(8.3%)

Type of toothbrush

Manual

24 (85.7%)

96 (90.6%)

148 (96.1%)

82 (85.4%)

0.022

Powered

4 (14.3%)

10(9.4%)

6 (3.9%)

14 (14.6%)

Type of toothpaste

Desensitizing

2(7.1%)

0

4 (2.6%)

2(2.1%)

0.038

Fluoridated

22(78.6%)

76(71.7%)

108(70.1%)

68(70.8%)

Non fluoridated

2(7.1%)

0 (0)

4(2.6%)

0

Don’t know

2(7.1%)

28(26.4%)

36(23.4%)

26(27.1%)

Texture of toothbrush bristle

Extra soft

0

2 (1.9%)

2(1.3%)

10(10.4%)

 < 0.001**

Soft

12(42.9%)

70(66%)

56 (36.4%)

32(33.3%)

Medium

16(57.1%)

30 (28.3%)

96(62.3%)

52(54.2%)

Hard

0

4 (3.8%)

0

2(2.1%)

Frequency of mouthwash

After every meal

0

2(1.9%)

2(1.3%)

8(8.3%)

0.004*

None

10(35.7%)

44(41.5%)

70(45.5%)

46(47.9%)

Once a day

14(50%)

32(30.2%)

54(35.1%)

34(35.4%)

Twice a day

4(14.3%)

28(26.4%)

28(18.2%)

8(8.3%)

Frequency of visit to dentist

Every 3 months

2(7.1%)

4 (3.8%)

2(1.3%)

8(8.3%)

 < 0.001**

After 6 months

0

10(9.4%)

4(2.6%)

2(2.1%)

More than 6 months

0

0

8(5.2%)

4(4.2%)

None

18(64.3%)

20(18.9%)

42(27.3%)

26(27.1%)

Only when required

8(28.6%)

72(67.9%)

98(63.6%)

56(58.3%)

  1. Chi squared test
  2. *P value less than 0.05 was considered significant
  3. **P value less than 0.01 was considered significant