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Table 2 Information on oral and dental health of children

From: The effects of socioeconomic status, oral and dental health practices, and nutritional status on dental health in 12-year-old school children

Information Low socioeconomic status Moderate socioeconomic status High socioeconomic status Total p
n % n % n % n %
Status brushing teeth
 Brushes 82 92.1 100 99.0 62 96.9 244 96.1 5.573a
 Not brushes 7 7.9 1 1.0 2 3.1 10 3.9 0.049*
The frequency of tooth brushing
 1 time per day 22 24.7 37 36.6 28 43.8 87 34.3 21.932a
0.010*
 2 times a day 29 32.6 24 23.8 21 32.8 74 29.1
 3 times per day 4 4.5 2 2.0 4 6.3 10 3.9
 Several times a week 5 5.6 11 10.9 2 3.1 18 7.1
 Sometimes 22 24.7 26 25.7 7 10.9 55 21.7
 Never 7 7.9 1 1.0 2 3.1 10 3.9
The frequency of brush replacement
 Quarterly 21 23.6 10 9.9 28 43.8 59 23.2 49.286b
p< 0.01**
 Once in 6 months 19 21.3 30 29.7 24 37.5 73 28.8
 Once a year 34 38.2 54 53.5 9 14.0 99 39.0
 Once in 2 years 8 9.0 6 5.9 1 1.6 15 5.9
Never 7 7.9 1 1.0 2 3.1 8 3.1
The age of see the dentist for the first time (years)
 1–5 years old 16 18.0 20 19.7 25 39.1 61 24.0 16.930b
0.010*
 6–10 years old 40 44.9 55 54.5 30 46.9 125 49.2
 11–12 years old 16 18.0 11 10.9 5 7.8 32 12.6
 Never 17 19.1 15 14.9 4 6.2 36 14.2
The frequency of see the dentist (n= 218)
 When complaints 64 88.9 77 89.5 42 70.0 183 83.9 17.783b
0.001**
 1–2 times per year 8 11.1 9 10.5 18 30.0 35 16.1
Previously oral health education
 Have training 18 20.2 19 18.8 42 65.6 79 31.1 47.629b
p< 0.01**
 Have not training 71 79.8 82 81.2 22 34.4 175 68.9
Harmful oral health habits
 Have not 48 53.9 65 64.4 42 65.6 155 61.0 2.923b
0.232
 Have 41 46.1 36 35.6 22 34.4 99 39.0
Total 89 100.0 101 100.0 64 100.0 254 100
If there are harmful oral habits (n= 41)c
 Lip biting 29 70.7 20 55.5 22 100.0 62 62.6  
 Nail biting 15 36.6 20 55.5 15 68.2 50 50.5
 Cheek biting 7 17.1 5 13.9 1 4.5 13 13.1
  1. aFisher’s exact test
  2. bChi-square test
  3. cMultiple answers were given
  4. *p < 0.05 **p<0.01