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Table 1 Subject demographics

From: The association between social deprivation and the prevalence and severity of dental caries and fluorosis in populations with and without water fluoridation

City

Subject numbers

Mean age at exam (SD)

Gender %

Mean IMD* (range)

   

M

F

 

Newcastle

910

12.56 (0.48)

54

46

35.22 (2.77-78.85)

Manchester

873

12.32 (0.64)

57

43

37.04 (1.84-84.02)

Total

1783

12.44 (0.57)

56

44

36.11 (1.84-84.02)

  1. * IMD – Index of Multiple Deprivation. A compound measure of social deprivation reported by geographical area.