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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: J Consult Clin Psychol. 2014 Mar 24;82(4):659–669. doi: 10.1037/a0036376

Table 4.

Predicting BMI Change from Zero to 18 Months

b SE t p
Constant −0.138 0.101 −1.370 0.172
Gender 0.007 0.024 0.294 0.769
Race −0.016 0.017 −0.922 0.358
Treatment Group 0.007 0.023 0.028 0.977
Baseline RR 0.067 0.183 0.365 0.715
RRΔ 4.857 1.991 2.439 0.016
Baseline BMI −0.006 0.003 −2.288 0.023
RRΔ X Baseline BMI 0.667 0.414 1.610 0.109
RRΔ X Baseline RR −49.460 23.590 −2.097 0.037

Note. RR = reinforcement ratio