Table 2

The prevalence of dental caries, rate of pit and fissure sealant and mean value of DMFT with different districts and genders

GroupNPit and fissure sealant (%)DTMTFTDMFTCaries frequency
X±SDt/FP valueEffect sizePercentage (%)χ2P valueEffect size
AreaUrban1841220.54±1.17*0.010.64±1.42*1.19±1.87*−11.67<0.0010.18745.68*92.36<0.0010.161
Rural189091.62±2.410.010.45±1.242.08±2.7361.37
Age12769190.84±1.55*0.010.48±1.12*1.33±1.900.00151.236.398>0.050.044
131082181.18±2.160.010.46±1.431.64±2.424.295<0.0552.03
14950131.04±1.920.010.64±1.581.69±2.4754.52
15930131.23±2.090.010.61±1.431.85±2.5756.55
GenderMale1859130.90±1.74*0.010.39±1.01*1.29±2.02*−9.12<0.0010.14747.87*49.37<0.0010.118
Female1872181.28±2.170.010.71±1.581.99±2.6559.34
Total3731161.09±1.970.010.55±1.341.64±2.3853.63
  • DMFT, decayed–missing–filled teeth; FT, filled teeth; MT, missing teeth.