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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Alzheimers Dement. 2013 May 18;10(1):10.1016/j.jalz.2013.01.011. doi: 10.1016/j.jalz.2013.01.011

Table 3.

Results of multivariate linear mixed effects models

Model 1 Days on Computer/Month Model 2 Daily Mean Use/Month Model 3 COV of Use/Month
Covariate Coefficient p-value Coefficient p-value Coefficient p-value
Age (yrs) −0.422 0.01* −0.015 0.25 0.026 0.03*
Female 0.719 0.69 0.174 0.23 −0.056 0.65
Education (yrs) −0.060 0.84 −0.021 0.35 −0.002 0.94
Novice User −2.858 0.06 −0.549 <0.0001*** 0.206 0.04*
Non-white −4.762 0.06 0.005 0.98 0.373 0.03*
MCI at baseline 0.436 0.78 0.045 0.71 −0.048 0.65
Duration (months) −0.030 0.38 0.0003 0.88 0.0003 0.90
Novice * Duration −0.082 0.08 −0.005 0.057 0.006 0.069
MCI * Duration −0.119 0.01* −0.008 <0.01** 0.010 0.002**
*

p<0.05,

**

p<0.01,

***

p<0.0001

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