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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: Drug Alcohol Depend. 2015 Mar 2;150:54–62. doi: 10.1016/j.drugalcdep.2015.02.013

Table 5.

Risk of Substance Use and Conduct Problems Among Three Strata of Risk, Based on Youth Risk Index Low and High Thresholds

Odds Ratio per Risk Group Increment
Chronic Stress Sample
 Lifetime SU concurrent 3.27 (2.5–4.3)
 Lifetime SU by 1 year later 2.47 (1.9–3.3)
 SU initiated during subsequent year 1.59 (1.1–2.3)
 Lifetime conduct problems concurrent 4.87 (3.5–6.8)
 Lifetime conduct problems by 1 year later 2.44 (1.8–3.3)
 Conduct problems initiated during subsequent year 1.63 (1.0–2.5)
Psychometric Sample
 Lifetime SU concurrent 2.76 (2.0–3.8)
 Lifetime conduct problems concurrent 6.07 (4.1–9.0)
Well-Child Sample
 Lifetime SU concurrent 2.55 (1.1–5.8)
 Lifetime conduct problems concurrent 3.69 (1.6–8.6)

Note: All results p<.001, tested using χ2. Parenthetical values present 95% confidence intervals (an odds ratio meets p<.05 if the CI fails to cross 1.0).