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Table 2 Mean (± se) data for experimental group after 1 year and the internal non-concurrent control group (grade 2 at baseline examination)

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) Internal non-concurrent control group (Group C2) Difference between groups (p-value)
  n = 168 n = 133  
Mean age 7.56 (0.04) 7.47 (0.04) Student-t NS
% of boys 50.6% (3.9) 46.6% (4.3) Chi-square NS
Mean number of siblings 3.12 (0.16) 3.07 (0.16) Student-t NS
Prevalence of TV ownership 70.4% (3.5) 76.7% (3.7) Chi-square NS
Mean BMI 14.88 (0.13) 14.86 (0.12) Student-t NS
Prevalence of children categorized as below normal BMI 27.8% (3.5) 22.6% (3.6) Chi-square NS
Prevalence of children with moderate to heavy STH infection 10.7% (2.4) 12.4% (2.9%) Chi-square NS
Mean DMFS of permanent first molars 1.54 (0.18) 1.53 (0.20) Student-t NS
Mean PUFA of permanent first molars 0.137 (0.03) 0.188 (0.05) Student-t NS