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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Neurotoxicology. 2010 May 31;31(5):439–447. doi: 10.1016/j.neuro.2010.05.010

Table 1.

Means and standard deviations of Primary 6 and Secondary 3 Test Scores

Variable All n=643 Female n= 326 Male n= 317
Primary 6 Mean SD Mean SD Mean SD
English 54.44 20.04 58.82 18.05 49.52 21.02
French 53.96 14.83 56.45 13.65 51.11 15.63
Kreol 56.74 18.63 61.50 16.24 51.53 19.68
Mathematics 40.99 20.37 43.24 18.98 38.55 21.55
Science 49.13 19.05 51.41 17.45 46.65 20.39
Social Studies 59.02 22.07 61.60 20.04 56.19 23.81
Secondary 3
English 52.53 17.48 55.70 16.58 48.75 17.80
French 51.30 16.87 55.90 15.18 46.14 17.21
Geography 24.73 18.61 27.16 18.36 22.09 18.55
History 32.09 17.39 34.73 17.18 29.21 17.20
Mathematics 23.99 17.17 25.27 16.46 22.49 17.90
Science 41.04 19.72 43.04 19.03 38.69 20.28