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Table 5 Summary of Bivariate Correlations and Separate Multiple Hierarchical Regression Analyses Predicting Depression and Global Cognition at Follow-up (N = 97)

From: Motivational processes in mild cognitive impairment and Alzheimer’s disease: results from the Motivational Reserve in Alzheimer’s (MoReA) study

  Global cognitiona at FU Depression at FU
  r β p r β p
Epidemiological variables       
Age −.50*** .06 .34 .18* .15 .18
Sex (1 = male, 2 = female) −.04 −.03 .67 −.08 .05 .68
Education (years) .03 −.12 .04* .08 .08 .46
Cognition-related occupational score .15 −.02 .74 −.01 .03 .84
Clinical/cognitive variables at baseline       
Global cognition .88*** .91 <.001*** −.14 .05 .70
Depression .13 .12 .05* .35*** .15 .20
Activities (self-report) .33*** .04 .53 −.12 −.01 .91
Perceived Social support .06 −.02 .67 −.24** −.16 .11
Instrumental ADLs −.09 .06 .37 .35*** .23 .07
Motivational variables at baseline       
Motivation-related occupational score .09 −.04 .55 .06 .08 .56
Delay of Gratification .14 −.03 .52 −.16* −.05 .59
Motivation Scenario Test .21* .11 .05* −.12 .19 .08
Self-reported motivational processes −.03 −.06 .33 −.34*** −.24 .03*
Informant-reported motivational processes .34*** .05 .38 −.43*** −.25 .02*
Corrected R2   .78    .26  
F and p   24.53 <.001   3.36 <.001
  1. Note: FU Follow-up after one year
  2. *p < .05
  3. **p < .01
  4. ***p < .001
  5. aGlobal cognition: composite measures for all tests in all cognitive domains (through converting the component tests to z scores by using the baseline mean and SD of all study participants and averaging the z scores