Table 1 Mean (± se) baseline data, 1-year data, and incremental data for experimental group and the external concurrent control group
Indicators | Experimental group 1 | External concurrent control group (C1) | Difference between increments (p-value) | ||||
|---|---|---|---|---|---|---|---|
| Â | n=168 | n=173 | Â | ||||
| Â | Baseline | 1-year | increment | Baseline | 1-year | increment | Â |
Mean BMI | 14.70 (0.11) | 14.88 (0.13) | 0.18 (0.06) | 14.65 (0.11) | 14.62 (0.11) | −0.03 (0.05) | Student-t p<0.01 |
Prevalence of below normal BMI | 29.2% (3.5) | 27.8% (3.5) | −1.4% | 31.8% (3.5) | 37.6% (3.7) | 5.8% | Chi-square NS |
Prevalence of moderate to heavy STH infection | 17.2% (2.9) | 10.7% (2.4) | −6.5% | 32.0% (3.5) | 17.3% (2.9) | −14.7 | Chi-square p<0.001 |
Mean DMFS in permanent first molars | 0.82 (0.12) | 1.54 (0.17) | 0.72 (0.10) | 1.12 (0.16) | 1.99 (0.24) | 0.87 (0.14) | Student-t NS |
Mean PUFA in permanent first molars | 0.060 (0.02) | 0.137 (0.03) | 0.077 (0.02) | 0.087 (0.03) | 0.220 (0.05) | 0.133 (0.03) | Student-t NS P = 0.068 |