Main analyses consisted of hierarchical multiple regression
equations. Separate hierarchical multiple regressions were run for
each of the outcome measures related to attention problems
(parent and child report) and GPA. In each case, genderwas entered
on the first step, number of children and family income entered on
the second step, depression and anxiety entered on the third step,
CTS psychological aggression and physical assault were entered on
the fourth step, NLE variables (neighborhood, negative adult relationships,
antisocial personality, family attachment and delinquent
peers) were entered on the fifth step, and television and video
game total use and television and video game violence exposure
entered on the final step. Multicollinearity was examined using
tolerance and VIF statistics and found to be acceptable in all cases.
Highest VIF values were 2.1, and lowest tolerance values were .46,
which fall within most recommended acceptable guidelines