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Table 4 The frequency of consumption of drinks and foods, and special drinking habits in relation to the prevalence of dental erosion

From: The prevalence of dental erosion and associated risk factors in 12-13-year-old school children in Southern China

Variables

Total No. of children

Dental erosion

 
  

No. of children

%

P

Frequency of carbonated drinks*

    

   < once a week

936

243

26.0

0.046

   ≥once a week

563

173

30.7

 

Frequency of sport drinks

    

   < once a week

1089

305

28.0

0.719

   ≥once a week

410

111

27.1

 

Frequency of lemon tea

    

   < once a week

1102

310

28.1

0.585

   ≥once a week

397

106

26.7

 

Frequency of succade

    

   < once a week

1160

314

27.1

0.275

   ≥once a week

339

102

30.1

 

Frequency of fruits

    

   < once a week

180

52

28.9

0.716

   ≥once a week

1319

364

27.6

 

Frequency of fruit juices

    

   < once a week

940

253

26.9

0.348

   ≥once a week

559

163

29.2

 

Frequency of chewing gum

    

   < once a week

817

233

28.5

0.468

   ≥once a week

682

183

26.8

 

Amount of acidic drinks intake

    

   < 250 ml/week

408

103

25.2

0.406

   250-1000 ml/week

962

275

28.5

 

   > 1000 ml/week

129

38

29.4

 

Drinking with straw or not

    

   Drinking with straw

475

138

29.2

0.444

   Drinking without straw

1024

278

27.1

 

Method of drinking

    

   Sucking or holding drinks in mouth

328

81

24.7

0.162

   Drinking straight away

1171

335

28.6

 

Frequency of drinks taken at night

    

   Once or more monthly

82

26

31.7

0.418

   Never/occasionally

1417

390

27.5

 
  1. *P < 0.05, Chi-square test