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. Author manuscript; available in PMC: 2008 Oct 1.
Published in final edited form as: Econ Educ Rev. 2007 Oct;26(5):604–614. doi: 10.1016/j.econedurev.2006.10.003

Table 2.

Emotional, behavioral, and school performance problems (%)

Type of problem   Maltreatment index      
  0 1 2 3 ?²(3) P
Low GPA 20.5 27.0 32.2 53.0 41.7 0.0001
Problems w/ teachers & peers 24.0 30.8 47.7 28.3 29.8 0.0026
Problems completing HW 29.8 36.9 34.4 50.5 17.2 0.0440
Frequent school absence (8+ days) 26.3 28.7 37.6 45.8 15.1 0.0604
N 1146 453 97 82