Indicators | Experimental group (Group 1) | External concurrent control Group (Group C1) | Difference between groups (p-value) |
---|---|---|---|
 | n = 200 | n = 212 |  |
Mean age | 6.47 (0.04) | 6.37 (0.04) | Student–t NS |
% of boys | 52.0% (3.5) | 47.1% (3.4) | Chi-square NS |
Mean number of siblings | 3.34 (0.16) | 3.10 (0.13) | Student–t NS |
Prevalence of TV ownership | 67.5% (3.3) | 70.3% (3.1) | Chi-square NS |
Mean BMI | 14.73 (0.10) | 14.64 (0.09) | Student–t NS |
Prevalence of children categorized as below normal BMI | 28.5% (3.2) | 31.6% (3.2) | Chi-square NS |
Prevalence of children with moderate to heavy STH infection | 17.4% (2.9) | 31.1% (3.2) | Chi-square p = 0.0013 |
Mean DMFS of permanent first molars | 0.80 (0.11) | 1.16 (0.15) | Student–t NS |
Mean PUFA of permanent first molars | 0.065 (0.02) | 0.090 (0.03) | Student–t NS |
Mean dmft primary dentition | 7.74 (0.30) | 8.27 (0.31) | Student–t NS |
Mean pufa primary dentition | 3.14 (0.20) | 3.11 (0.17) | Student–t NS |
Prevalence dmft>0 | 97.0% (1.2) | 97.2% (1.1) | Chi-square NS |
Prevalence DMFT>0 for permanent first molars | 37.0% (3.4) | 42.0% (3.4) | Chi-square NS |