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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Addict Behav. 2009 Aug 8;35(1):7–13. doi: 10.1016/j.addbeh.2009.07.004

Table 2.

Characteristics of the study sample and unadjusted tests of study variables in relation to substance dependence risk.

Study Variables Overall
(n = 2,510)
SDaGroup
(n = 2,061)
Controls
(n = 449)
P-valueb
Multiple Caregivers 0.004
 Yes 7.50% 8.25% 4.24%
Number of Relocations < 0.0001
 0 24.63% 23.51% 29.57%
 1 21.96% 20.50% 28.44%
 2 18.47% 19.02% 16.03%
 3 + 34.94% 36.97% 25.96%
Violent Crime Exposure < 0.0001
 Yes 19.85% 22.85% 6.70%
Sexual Abuse Exposure < 0.0001
 Yes 14.65% 16.46% 6.71%
Physical Abuse Exposure < 0.0001
 Yes 9.72% 11.49% 2.01%
Number of Types of Violent < 0.0001
Crime/Abuse Exposures
 Mean (s.d.)
0.44 (0.77) 0.50 (0.81) 0.15 (0.42)
Household Substance Use < 0.0001
 Yes 57.42% 62.92% 33.26%
Regular Smokers in the < 0.0001
Household
 Yes 73.74% 78.28% 53.79%
Infrequent Religious 0.71
Involvement 26.02% 26.20% 25.17%
 Yes
Relationship with < 0.0001
Main Caregiver
 Excellent 44.52% 42.92% 51.56%
 Very Good 19.46% 17.94% 26.12%
 Good 20.41% 21.36% 16.29%
 Fair 9.79% 11.01% 4.46%
 Poor 5.81% 6.78% 1.56%
Infrequent Contact with 0.18
Relatives 40.90% 41.55% 38.03%
Index of Lifetime Mood and < 0.0001
Anxiety Disorders
 Mean (s.d.) 0.51 (0.88) 0.59 (0.93) 0.18 (0.49)
a

Substance dependence

b

Wald Type III GEE χ2