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Table 5 Association between erosive experience (total BEWE ≥ 1) 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

134 (46)

157 (54)

1

1

1

 

PES

40

9 (23)

31 (77)

2.9 (1.4–6.4)

2.2 (1.0–5.2)

2.2 (0.9–5.1)

Area of residence

Rural

17

4 (24)

13 (76)

1

1

1

 

Urban

314

139 (44)

175 (56)

0.4 (0.1–1.2)

0.4 (0.1–1.4)

0.4 (0.1–1.3)

Sex1

Female

174

78 (45)

96 (55)

1

Not included

Not included

 

Male

157

65 (41)

92 (59)

1.2 (0.7–1.8)

  

Dental biofilm

No visible

247

118 (48)

129 (52)

1

1

1

 

Visible

84

25 (30)

59 (70)

2.2 (1.3–3.7)

1.8 (1.0–3.3)

1.7 (0.9–3.1)

ICDAS 4–6 carious lesions

No

285

132 (46)

153 (54)

1

1

Not included

 

Yes

46

11 (24)

35 (76)

2.7 (1.3–5.6)

1.4 (0.6–3.1)

 

ICDAS 1–6 carious lesions

No

172

90 (52)

82 (48)

1

Not included

1

 

Yes

159

53 (33)

106 (67)

2.2 (1.4–3.4)

 

1.6 (1.0–2.47)

Fluoride toothpaste1

No

61

34 (56)

27 (44)

1

1

1

 

Yes

270

109 (40)

161(60)

1.9 (1.1–3.3)

1.9 (1.0–3.6)

1.9 (1.0–3.7)

Dentist control during the past year 1

No

73

32 (44)

41 (56)

1

Not included

Not included

 

Yes

258

111 (43)

147 (57)

1.0 (0.6–1.7)

  

Acid reflux/repeated vomiting 1

No

295

130 (44)

165 (56)

1

Not included

Not included

 

Yes

36

13 (36)

23 (64)

1.4 (0,7–2.9)

  

Daily acidic beverage

No

270

135 (50)

135 (50)

1

1

1

 

Yes

61

8 (13)

53 (87)

6.6 (3.0–14.5)

4.8 (2.1–10.9)

4.5 (2.0–10.2)

Daily energy/sports drinks1

No

326

142 (44)

184 (56)

1

Not included

Not included

 

Yes

5

1 (20)

4 (80)

3.1 (0.3–27.9)

  

Daily aicidic sweets

No

299

140 (47)

159 (53)

1

1

1

 

Yes

32

3 (9)

29 (91)

8.5 (2.5–28.5)

2.9 (0.8–10.4)

2.9 (0.8–10.5)

Daily acid fresh fruits 1

No

277

124 (45)

153 (55)

1

Not included

Not included

 

Yes

54

19 (35)

35 (65)

1.5 (0.8–2.7)

  

Retained drink in the mouth after drinking

No

298

137 (46)

161 (54)

1

1

1

 

Yes

33

6 (18)

27 (82)

3.8 (1.5–9.6)

2.9 (1.1–7.7)

2.9 (1.1–7.9)

Daily vitamin C

No

298

123 (41)

175 (59)

1

1

1

 

Yes

33

20 (61)

13 (39)

0.5 (0.2–1.0)

0.5 (0.2–1.0)

0.5 (0.2–1.1)