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Table 2 Partial, Unstandardized (B) Coefficients (Dollar Values) Obtained from Three-Step Multiple Linear Regression Models of the Changes in Predicted Annual Medical Expenditures at the One-Year Annual Follow-Up among the ACTIVE Participants (Weighted N = 1,804) in the Analytic Sample.

From: The ACTIVE cognitive training trial and predicted medical expenditures

Treatment Group Change in Expenditures at the First Annual Follow-up Change in Expenditures at the First Annual Follow-up Change in Expenditures at the First Annual Follow-up
  Step One Step Two Step Three
Memory 54.70 80.66 69.29
Reasoning 107.35 121.23 121.22
Speed of Processing -222.55* -215.49* -243.99*
  1. Notes: The analytic sample was restricted to ACTIVE participants successfully re-interviewed at the fifth annual follow-up, with propensity score weighting used to adjust for potential attrition bias, in order to avoid compositional incomparability to our prior report [19]. Step one includes the three treatment group variables. Step two includes the three treatment group variables, and age, race, education, MMSE, ADLs, IADLs, EPT scores, and medical conditions. Step three includes the three treatment group variables, age, race, education, MMSE, ADLs, IADLs, EPT scores, and medical conditions, as well as the baseline PCS and MCS scores. The control group is the omitted or reference category.
  2. * = p < .05