Compared with the control group , boys in the low-poverty voucher group had significantly increased rates of major depression ( @ % vs @ % ; odds ratio ( OR ) , @ -LSB- @ % CI , @-@ @ -RSB- ) , PTSD ( @ % vs @ % ; OR , @ -LSB- @ % CI , @-@ @ -RSB- ) , and conduct disorder ( @ % vs @ % ; OR , @ -LSB- @ % CI , @-@ @ -RSB- ) .