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Table 5 Change in score

From: Educational outreach to general practitioners reduces children's asthma symptoms: a cluster randomised controlled trial

  Intervention Mean(SE) Control Mean(SE) Estimated Intervention Effect Mean (95%CI) p-value from GEE model
Pre-intervention mean score 7.71 (0.11) 7.48 (0.09)   
Post-intervention mean score 3.63 (0.26) 4.24 (0.27)   
Pre-post difference 4.08 (0.23) 3.24 (0.30) 0.84 (0.10; 1.58) 0.03
Pre-post difference adjusted for number of physician visits 4.10 (0.18) 3.25(0.27) 0.85 (0.21 ;1.48) 0.01