Table 4

Changes in children's SDQ scores

Change in SDQ scoresExperimental childrenControl childrenDifference
Total difficultiesMean −2.64Mean 1.88t test −2.67
SD 7.26SD 4.30(95% CI −7.93 to −1.11)
p=0.011
% improved on conduct scores42%32%Fisher's test 0.19
Risk estimate 1.3
(95% CI 0.62 to 2.73)
% improved on hyperactivity scores44%28%Fisher's test 0.37
Risk estimate 1.57
(CI 0.73 to 3.34)
% improved on emotional scores56%44%Fisher's test 0.28
Risk estimate 1.27
(CI 0.72 to 2.23)
% improved on peer relationships scores44%20%Fisher's test 0.13
Risk estimate 2.2
(CI 0.89 to 5.41)