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Table 4 Association between erosive experience (total BEWE ≥ 3) and independent variables. Unadjusted and adjusted logistic regression analyses

From: Dental erosion in French adolescents

Independent variables

number

Erosive experience (Total BEWE ≥ 3)

No n (%)

Yes n (%)

Unadjusted OR (95 %)

Adjusted OR (95 %)

Adjusted OR (95 %)

Socio-economic category

No PES

291

186 (64)

105 (36)

1

1

1

 

PES

40

16 (40)

24 (60)

2.7 (1.4–5.2)

2.2 (1.1–4.7)

2.2 (1.1–4.7)

Area of residence

Rural

17

6 (35)

11 (65)

1

1

1

 

Urban

314

196 (62)

118 (38)

0.3 (0.1–0.9)

0.4 (0.1–1.1)

0.3 (0.1–1.0)

Sex1

Female

174

110 (63)

64 (37)

1

Not included

Not included

 

Male

157

92 (59)

65 (41)

1.2 (0.8–1.9)

  

Dental biofilm

No visible

247

163 (66)

84 (34)

1

1

1

 

Visible

84

39 (46)

45 (55)

2.2 (1.4–3.7)

1.8 (1.1–3.3)

1.8 (1.0–3.1)

ICDAS 4–6 carious lesions

No

285

183 (64)

102 (36)

1

1

Not included

 

Yes

46

19 (41)

27 (59)

2.6 (1.4–4.8)

1.3 (0.6–2.7)

 

ICDAS 1–6 carious lesions

No

172

118 (69)

54 (31)

1

Not included

1

 

Yes

159

84 (53)

75 (47)

2.0 (1.3–3.1)

 

1.4 (0.9–2.4)

Fluoride toothpastec 1

No

61

41 (67)

20 (33)

1

Not included

Not included

 

Yes

270

161 (60)

109 (40)

1.4 (0.8–2.5)

  

Dentist control during the past year 1

No

73

42 (57)

31 (43)

1

Not included

Not included

 

Yes

258

160 (62)

98 (38)

0.8 (0.5–1.4)

  

Acid reflux/repeated vomiting 1

No

295

181 (61)

114 (39)

1

Not included

Not included

 

Yes

36

21 (58)

15 (42)

1.1 (0,6–2.3)

  

Daily acidic beveragea

No

270

184 (68)

86 (32)

1

1

1

 

Yes

61

18 (29)

43 (71)

5.1 (2.8–9.4)

3.8 (2.0–7.3)

3.6 (1.9–7.0)

Daily energy/sports drinksb 1

No

326

200 (61)

126 (39)

1

Not included

Not included

 

Yes

5

2 (40)

3 (60)

2.4 (0.4–14.5)

  

Daily aicidic sweets

No

299

195 (65)

104 (35)

1

1

1

 

Yes

32

7 (22)

25 (78)

6.7 (2.8–16.0)

2.9 (1.1–7.5)

3.0 (1.2–7.6)

Daily acid fresh fruits 1

No

277

172 (62)

105 (38)

1

Not included

Not included

 

Yes

54

31 (57)

23 (43)

1.3 (0.7–2.4)

  

Retained drink in the mouth after drinking

No

298

189 (63)

109 (37)

1

1

1

 

Yes

33

13 (39)

20 (61)

2.7 (1.3–5.6)

1.8 (0.8–4.2)

1.9 (0.8–4.3)

Daily vitamin C

No

298

178 (60)

120 (40)

1

Not included

Not included

 

Yes

33

24 (73)

9 (27)

0.6 (0.3–1.2)

  
  1. All consumers drank acidic beverages during and between meals: 94 % of them were sugared and the most consumed beverages were Cola (89 %)a and Powerade (71 %)b. 1 (9.4 %) or 2 (90.3 %) daily tooth brushingc. ICDAS 4–6 or ICDAS 1–6 carious lesions were included in the adjusted logistic regression analyses. 1p > 0.1