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. 2017 Dec 19;11:64. doi: 10.1186/s13034-017-0202-3

Table 2.

Logistic regression violent offenses

Model 1 (grandiose-manipulative) Model 2 (callous and unemotional) Model 3 (impulsive-irresponsible)
B SE B Exp (B) B SE B Exp (Β) B SE B Exp (B)
Block 1
 Age 0.11 0.05 1.12* 0.13 0.05 1.13** 0.11 0.05 1.12*
 YPI scale 0.17 0.03 1.18*** 0.24 0.03 1.27*** 0.23 0.03 1.26***
 Gender (boys = 1, girls = 0) 0.86 0.15 2.37*** 0.62 0.15 1.86*** 0.96 0.15 2.62***
 Sample (high-risk = 1, general = 0) 1.41 0.15 4.11*** 1.42 0.15 4.14*** 1.29 0.16 3.63***
Block 2
 Age 0.12 0.05 1.13** 0.13 0.05 1.14** 0.12 0.05 1.13**
 YPI scale 0.23 0.06 1.26*** 0.22 0.06 1.25*** 0.30 0.06 1.35***
 Gender 1.75 0.61 5.78** 0.56 0.71 1.75 2.34 0.76 10.38**
 Sample 2.35 0.58 10.49*** 2.13 0.68 8.42** 2.02 0.76 7.54**
 YPI × gender − 0.06 0.06 0.94 0.03 0.07 1.03 − 0.09 0.06 0.91
 YPI × sample − 0.04 0.05 0.96 − 0.02 0.07 0.98 − 0.02 0.06 0.98
 Gender × sample − 0.80 0.31 0.45** − 0.72 0.32 0.49* − 0.70 0.31 0.50*
Block 3
 Age 0.12 0.05 1.13** 0.13 0.05 1.14** 0.12 0.05 1.13**
 YPI scale 0.19 0.07 1.21** 0.25 0.07 1.29*** 0.29 0.07 1.34***
 Gender 1.33 0.76 3.77 0.97 0.88 2.64 2.23 0.97 9.26*
 Sample 1.57 1.04 4.80 2.91 1.20 18.41* 1.82 1.31 6.15
 YPI × gender − 0.02 0.08 0.98 − 0.01 0.09 0.99 − 0.08 0.08 0.92
 YPI × sample 0.05 0.11 1.05 − 0.10 0.12 0.90 0.00 0.10 1.00
 Gender × sample 0.30 1.25 1.35 − 1.86 1.48 0.16 − 0.41 1.57 0.67
 YPI × gender × sample − 0.11 0.12 0.89 0.11 0.14 1.12 − 0.02 0.12 0.98

B unstandardized regression coefficient, SE B standard error regression coefficient, Exp (Β) expected regression coefficient (odds ratio), YPI Youth Psychopathic Traits Inventory

p < 0.05; ** p < 0.01; *** p < 0.001