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Table 5 Severe erosive tooth wear according to variables studied

From: Erosive tooth wear among non-institutionalised older adults in Hong Kong: a cross-sectional study

Variable (n)

BEWE = 3 (n, %)

p value

Gender

  

 Male (100)

 Female (333)

65 (65.0%)

181 (54.4%)

0.066

Frequency of performing tooth brushing

  

  1 or less (55)

  2 (343)

 ≥ 3 (35)

37 (67.3%)

184 (53.6%)

25 (71.4%)

0.032

Type of mechanical oral hygiene practice

  

1. Toothbrush

  

 Yes (428)

 No (5)

243 (56.8%)

3 (60.0%)

1.000

2. Interdental brush

  

 Yes (69)

 No (364)

35 (50.7%)

211 (58.0%)

0.290

3. Toothpick

  

 Yes (158)

 No (275)

92 (58.2%)

154 (56.0%)

0.687

Tooth condition

  

 < 20 teeth (254)

 ≥ 20 teeth (179)

151 (59.4%)

95 (53.1%)

0.201

Untreated dental caries

  

 Yes (234)

 No (199)

149 (63.7%)

97 (48.7%)

0.002

Fixed prostheses

  

 Yes (168)

 No (265)

101 (60.1%)

145 (54.7%)

0.275

Removable prostheses

  

 Yes (116)

 No (317)

66 (56.9%)

180 (56.8%)

1.000

Dental visit experience

  

 more than 3 years ago (171)

 1–3 years ago (122)

 Less than one year (140)

103 (60.2%)

62 (50.8%)

81 (57.9%)

0.264

Age

 

0.019

VPI

 

0.455