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Table 2 Oral health indicators, dmft, caries free percent and significant caries index

From: The Dental Health of primary school children living in fluoridated, pre-fluoridated and non-fluoridated communities in New South Wales, Australia

Variables dmft Caries free SiC
  Mean 95% CI % 95% CI Mean 95% CI
Fluoridation status       
Fluoridated 1.40# 1.22-1.58 62.6# 59.2-65.9 4.42 4.04-4.81
Pre- fluoridated 2.02** 1.80-2.23 50.8** 47.3-54.3 5.85 5.47-6.22
Non-fluoridated 2.09** 1.84-2.35 48.6** 44.3-52.9 5.97 5.58-6.37
Indigenous status       
Non-Aboriginal 1.70# 1.57-1.83 56.8# 54.6-59.1 5.17 4.92-5.41
Aboriginal 2.80** 2.16-3.44 37.5** 28.8-46.2 7.25 6.14-8.36
Cardholder status       
Non-cardholder 1.42# 1.28-1.56 61.0# 58.3-63.7 4.43 4.15-4.71
Cardholder 2.35** 2.13-2.57 45.7** 42.4-49.0 6.56 6.20-6.91
Mother’s country of birth      
English speaking 1.76# 1.63-1.89 55.1# 52.9-57.3 5.27 5.03-5.51
Non-English speaking 2.37 NS 1.85-2.89 50.3 NS 42.3-58.4 6.67 6.01-7.31
Gender       
Male 1.86# 1.69-2.03 53.9# 50.9-56.9 5.47 5.16-5.78
Female 1.74 NS 1.56-1.91 55.8 NS 52.8-58.7 5.25 4.92-5.59
Age       
5 1.74# 1.54-1.94 55.6# 52.2-59.0 5.23 4.83-5.63
6 1.82 NS 1.66-1.97 54.8 NS 52.0-57.5 5.41 5.12-5.69
7 2.41 NS 1.44-3.38 40.9 NS 26.4-55.4 6.50 5.04-7.96
Total 1.80 1.68-1.92 54.8 52.7-56.9 5.37 5.14-5.60
  1. #referent, *p < 0.05; **p < 0.01; NS - not significant.