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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: Addict Disord Their Treat. 2015 Sep;14(3):124–130. doi: 10.1097/ADT.0000000000000060

Table 1.

Parameter estimates in model formulations

Model Formulation AIC Marginal
R2
1 1.6952 + 0.08861 * AUC 229.5 0.66
2 0.3428 + 0.01043 * time-to-peak TAC + 0.04309 * AUC + 0.6347 * Sex 197.1 0.77
3 0.6990 + 0.006317 * time-to-peak TAC + 0.09735 * AUC – 0.00097 * AUC2 + 0.08492 * AUC * Sex – 0.00223 * AUC2 * Sex 194.0 0.82

Note. Beta-weighted parameter estimates found in Model Formulations tested by SAS PROC MIXED with Akaike Information Criterion (AIC) and R2 associated with each of three models.