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Table 2 Inter-correlations among Key Study Variables at Baseline

From: Memory complaints and depressive symptoms over time: a construct-level replication analysis

Variable

1

2

3

4

5

6

HRS

M (SD)

1. Age (cat.)

–

−.075**

−.158**

.055**

.087**

.099**

–

2. Education (cat.)

−.097**

–

.375**

−.122**

−.006

−.149**

–

3. Income (cat.)

−.119**

.211**

–

−.062**

−.009

−.173**

–

4. Memory Self-Rating

.062**

−.126**

−.110**

–

.345**

.176**

2.947 (0.983)

5. Perceived Memory Decline (cat.)

.018

−.007

−.042*

.276**

–

.161**

–

6. Depressive Symptoms

−.014

−.117**

−.084**

.232**

.159**

–

1.405 (1.878)

NHATS

M (SD)

–

–

–

2.455 (0.910)

–

2.760 (1.212)

 
  1. Note. NHATs coefficients are shown below the diagonal; HRS coefficients are shown above the diagonal; means and standard deviations only shown for continuous variables. Cat. = categorical variable. Kendall Tau coefficients used for associations with categorical variables, Pearson used for continuous outcomes **p ≤ .001, *p ≤ .01