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Table 1 Mean (± se) baseline data, 1-year data, and incremental data for experimental group and the external concurrent control group

From: The Fit for School health outcome study - a longitudinal survey to assess health impacts of an integrated school health programme in the Philippines

Indicators Experimental group 1 External concurrent control group (C1) Difference between increments (p-value)
  n=168 n=173  
  Baseline 1-year increment Baseline 1-year increment  
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