Skip to main content

Table 1 Baseline demographic characteristics of the sealant and control groups

From: The anticaries effects of pit and fissure sealant in the first permanent molars of school-age children from Guangzhou: a population-based cohort study

Variable

Sealant group

Control group

P value

N = 4822(%)

N = 4396(%)

Sex

 Female

2515(52.2)

2434(55.4)

> 0.05

 Male

2307(47.8)

1962(44.6)

> 0.05

District area

 Urban

4107(85.2)

3608(82.1)

> 0.05

 Rural

715(14.8)

788(17.9)

> 0.05

Total

4822

4396