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Table 4 Multivariate analysis of dmft and caries experience

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 experience
  IRR 95% CI P OR 95% CI P
Fluoridation status       
Fluoridated 1.00#    1.00#   
Pre-fluoridated 1.38 1.14-1.67 <0.01 1.62 1.31-2.01 <0.01
Non-fluoridated 1.53 1.23-1.89 <0.01 1.86 1.46-2.37 <0.01
Indigenous status       
Non-Aboriginal 1.00#    1.00#   
Aboriginal 1.45 1.03-2.03 0.03 1.94 1.31-2.88 <0.01
Cardholder status       
Non-cardholder 1.00#    1.00#   
Cardholder 1.69 1.43-2.00 <0.01 1.86 1.54-2.25 <0.01
Mother’s country of birth      
English speaking 1.00#    1.00#   
Non-English speaking 1.41 1.02-1.93 0.04 1.13 0.79-1.62 0.51
Gender       
Male 1.00#    1.00#   
Female 0.91 0.77-1.07 0.25 0.89 0.74-1.07 0.20
Age       
5 1.00#    1.00#   
6 0.99 0.83-1.19 0.95 0.99 0.82-1.20 0.92
7 1.26 0.72-2.21 0.42 1.65 0.86-3.17 0.13
  1. #referent, IRR – incidence rate ratio; OR – odds ratio.