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Table 1 Mean, standard deviation and significance for the variables dental hygiene and disinfection control of dental environment by sex and cross infection group

From: Oral hygiene habits and possible transmission of COVID-19 among cohabitants

Variables

Man

Woman

p

Cross infection

Non cross infection

p

N =145

N = 157

N = 170

N = 132

M (SD)

M (SD)

M (SD)

M (SD)

N (%)

N (%)

N (%)

N (%)

Dental hygiene

Toothbrushing

3.4 (1.3)

3.6 (1.2)

0.304

3.5 (1.3)

3.6 (1.2)

0.541

Flossing

3.0 (1.3)

3.1 (1.3)

0.461

3.0 (1.3)

3.2 (1.3)

0.072

Oral rinse

2.8 (1.3)

3.0 (1.2)

0.107

2.8 (1.3)

3.0 (1.3)

0.323

Tongue-brushing

3.0 (1.2)

3.0 (1.3)

0.847

2.8 (1.2)

3.2 (1.3)

0.029*

Environmental care and disinfection control

Shared toothbrush use

      

Yes

4 (2.8%)

5 (3.2%)

0.828

162 (95.3%)

131 (99.2%)

0.045*

Not

141 (97.2%)

152 (96.8%)

8 (4.7%)

1 (0.8%)

Sharing brush container

      

Yes

99 (68.3%)

95 (60.5%)

0.159

127 (74.7%)

65 (50.8%)

0.000**

Not

46 (31.7%)

62 (39.5%)

43 (25.3%)

67 (49.2%)

Sharing of toothpaste

      

Yes

76 (52.4%)

76 (48.4%)

0.487

99 (58.2%)

53 (40.2%)

0.002**

Not

69 (47.6%)

81 (51.6%)

71 (41.8%)

79 (59.8%)

Brush in vertical position

      

Yes

120 (82.8%)

123 (78.3%)

0.334

143 (84.1%)

100 (75.8%)

0.069

Not

25 (17.2%)

34 (21.7%)

27 (15.9%)

32 (24.2%)

Capped brush

      

Yes

86 (59.3%)

75 (52.2%)

0.216

93 (54.7%)

75 (56.8%)

0.714

Not

59 (40.7%)

82 (47.8%)

77 (45.3%)

57 (43.2%)

Brush disinfection with bleach

      

Yes

6 (4.1%)

20 (12.7%)

0.008**

8 (4.7%)

18 (13.6%)

0.006**

Not

139 (95.9%)

137 (87.3%)

162 (95.3%)

114 (86.4%)

Toilet lid closure

      

Yes

43 (29.7%)

67 (42.7%)

0.019*

42 (24.7%)

68 (51.5%)

0.000**

Not

102 (70.3%)

90 (57.3%)

128 (75.3%)

64 (48.5%)

Brush change after PCR + test

      

Yes

115 (79.3%)

138 (87.9%)

0.043*

136 (80%)

117 (88.6%)

0.043*

Not

30 (20.7%)

19 (12.1%)

34 (20%)

15 (11.4%)