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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: J Youth Adolesc. 2014 Sep 14;44(2):507–517. doi: 10.1007/s10964-014-0184-x

Table 1.

Descriptive information on and correlations among study variables

1 2 3 4 5 6 7 8 9 10 11 12 13 14
1.Victimiz
ation a (W1)
-- .44*** .34*** .20*** .21** .15** .28*** .20*** .19*** .02 .09 .09 .10 .02
2.
Witnessing
a (W1)
-- .29** .25*** .30*** .22*** .40*** .30*** .34*** .07 −.08 .13* .06 .27***
3.Social
constraints
(W1)
-- .27*** .26*** .27*** .16** .12* .12* .03 .04 −.02 .07 .13*
4.Social
constraints
(W2)
-- .32*** .33** .24*** .20*** .09 .01 −.02 .01 .03 .09
5.Intrusive thoughts (W2) -- .51*** .20*** .27*** .10 −.04 −.11* .05 .03 .01
6.Intrusvie
thoughts(
W3)
-- .19*** .22*** .06 −.12 −.07 .01 .02 .03
7.Sleep
problems
(Composit
e W1-W3)
-- .64*** .24*** .10* −.21*** .09 .12* −.06
8.Sleep
problems
(W4)
-- .18*** .10 −.24*** .07 .07 −.08
9.Life
events
(W1)
-- .18*** −.10 .06 .05 .14**
10.Age -- .03 .03 .06 −.03
11.Sex -- −.01 .03 .04
12. Family
Structure
-- .03 .01
13.Conditi
on
-- .02
14.School ---

M 8.79 12.9
9
7.20 7.44 3.63 2.75 21.4
5
20.8
5
3.56 12.4
5
48.9
%
37.6
%
50% 78.7
%
SD 1.24 1.60 3.26 3.36 4.84 4.33 6.32 7.28 1.90 0.59

Note. W1 = Wave 1, fall of 7th grade; W2 = Wave 2, spring of 7th grade; Wave 4 = Wave 4, spring of 8th grade. Family structure was coded 0 = two-parent home, 1 = single-parent home. Sex was coded 0 = female, 1 = male. Condition was coded 0 = control, 1 = experimental. School was coded 0 = Richmond, 1 = Philadelphia.

a

Log transformed. Ns range from 277 to 362 due to missing data.

*

p < .05;

**

p < .01;

***

p < .001.