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. 2013 Dec 9;1:60. doi: 10.3389/fpubh.2013.00060

Table 21.

Attention, ADHD, and academic performance means by firesetting group.

Firesetting
t df
Yes No
Academic performance 3.09 (0.66) 3.26 (0.48) 2.50* 1048
Attention problems-youth 7.68 (3.58) 5.01 (3.24) −5.84*** 1154
Attention problems-parent 6.43 (4.63) 3.78 (3.67 −4.11*** 55.17
ADHD symptoms-youth 6.34 (3.17) 4.51 (2.82) −4.58*** 1154
ADHD symptoms-parent 4.66 (3.62) 3.12 (3.00) −3.05** 55.38

Standard deviations appear in parentheses below means.

*p ≤ 0.05; **p ≤ 0.01; ***p ≤ 0.001.