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Table 3 Associations between endorsement of SCD-plus features and SCD-I domains with CSF-Aß-42 level

From: Which features of subjective cognitive decline are related to amyloid pathology? Findings from the DELCODE study

N = 205 CSF-Aß-42 level (pg/ml) p a
  M (SD) F \( {\eta}_p^2 \)
SCD-plus features
 Decline in memory Yes n = 129 720 − 316 7.65** .036 .006
No n = 76 849 − 293    
 Onset of SCD within the last 5 years Yes n = 120 722 − 312 6.07* .029 .015
No n = 85 833 − 306    
 Particular concerns/worries Yes n = 113 727 − 309 3.68 .018 .056
No n = 92 819 − 313    
 The feeling of worse performance than others Yes n = 35 695 − 308 2.488 .012 .116
No n = 170 783 − 313    
 Confirmation by an informant Yes n = 81 695 − 315 4.19* .032 .017
No n = 124 816 − 304    
SCD-I domains
 Decline in memory Yes n = 129 720 − 316 7.65** .036 .006
No n = 76 849 − 293    
 Decline in language Yes n = 127 727 − 312 5.18* .025 .024
No n = 78 835 − 306    
 Decline in attention Yes n = 62 738 − 349 .751 .004 .387
No n = 143 781 − 297    
 Decline in planning Yes n = 26 704 − 326 1.049 .005 .307
No n = 179 777 − 312    
 Decline in other Yes n = 48 716 − 302 1.65 .008 .201
No n = 156 780 − 313    
  1. M mean, SD standard deviation
  2. *p < .05
  3. **p < .01
  4. ***p < .001
  5. aAdjusted for age for the SCD-I domains and for age and education for the SCD-plus features, \( {\eta}_p^2 \) > .01 = small effect; \( {\eta}_p^2 \) > .06 = average effect; \( {\eta}_p^2 \) > .14 = large effect (according to Cohen 1988)