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Table 1 Increase of dental caries prevalence and percentage reduction of caries-free individuals between 2006 and 2010

From: Increase in dental caries and change in the socioeconomic profile of families in a child cohort of the primary health care in Northeast Brazil

Total

n

Year 2006

Age: 18–36 months

Year 2010

Age: 5–7 years

Differences

P-valuec

FCR(%)

dmftb = 0

dmft ≥ 1

p1 a%

(95% CI)

dmft = 0

dmft ≥ 1

p2 a%

(95% CI)

n2- n1

(p2- p1)%

(95% CI)

469

330

139

29.6%

(25.4–33.8)

146

323

68.9%

(64.7–73.1)

184

39.2%

(34.8–43.6)

p < 0.001c

12.4% per year

  1. ap1, p2,: caries prevalence
  2. bCaries index, dmft (decayed, missing and filled teeth) index
  3. cThe significance (p ≤ 0.05) of the dmft scores ((p2- p1) as measured by McNemar’s test
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BMC Oral Health

ISSN: 1472-6831

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