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. Author manuscript; available in PMC: 2023 Jun 1.
Published in final edited form as: Child Youth Serv Rev. 2022 Apr 6;137:106494. doi: 10.1016/j.childyouth.2022.106494

Table 3.

Multiple Linear Regression Analyses of Past-Year (12-months Post-Baseline) Illicit Substance Use Regressed on Adolescent Pregnancy and Pregnancy Outcomes between Baseline and 12-months Post-Baseline (n = 145).

Model 1
Model 2
Model 3
B 95% CI for B P B 95% CI for B P B 95% CI for B P
Number of Pregnancies 0.09 −0.07–0.25 0.25 – – – – – –
Number of Miscarriages – – – 0.15 −0.06–0.36 0.15 – – –
Number of Abortions – – – – – – −0.22 −0.81–0.36 0.45
Group Condition 0.10 −0.26–0.46 0.59 0.10 −0.26–0.47 0.57 0.09 −0.27–0.46 0.62
Baseline Illicit Substance Use 0.37 0.22–0.52 <0.001 0.37 0.22–0.51 <0.001 0.37 0.23–0.52 <0.001
Baseline Depression −0.01 −0.03–0.00 0.08 −0.01 −0.03–0.00 0.06 −0.01 −0.03–0.00 0.09
Baseline Age −0.09 −0.25–0.06 0.25 −0.09 −0.25–0.06 0.24 −0.08 −0.24–0.08 0.32
Adjusted R2 0.14 0.14 0.14

Note. B = unstandardized regression coefficient; Group Condition is coded 0 = GC, treatment as usual; 1 – TFCO, Treatment Foster Care Oregon; Statistically significant values in boldface.