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Table 2 Total raw score MMQ and z scores of Components I and II (means ± SD) of the study sample and the HUNT3 population (across six age groups)

From: Subjective working memory predicts objective memory in cognitively normal aging: a HUNT study

  Age group
MMQ score 55–64
n = 17
65–69
n = 19
70–74
n = 19
75–79
n = 21
80–84
n = 18
85–89
n = 12
Normally aging adults
 Total 12.7 ± 1.9 14.2 ± 2.5 14.7 ± 1.9 14.2 ± 2.7 15.1 ± 3.6 13.3 ± 2.6
 Component I −0.04 ± 0.91 − 0.10 ± 0.63 0.48 ± 0.57 0.11 ± 0.87 0.26 ± 1.24 −0.1 ± 0.85
 Component II − 0.67 ± 0.61 −0.08 ± 1.04 −0.24 ± 0.71 −0.08 ± 1.12 0.17 ± 0.90 −0.22 ± 0.83
HUNT population
 Total 14.3 ± 3.0 14.8 ± 2.9 14.7 ± 3.0 15.2 ± 3.1 15.3 ± 3.3 15.8 ± 3.9
 Component I 0.12 ± 0.96 0.27 ± 0.92 0.20 ± 0.91 0.30 ± 0.94 0.26 ± 0.95 0.26 ± 1.07
 Component II − 0.04 ± 1.00 0.01 ± 1.04 0.07 ± 1.06 0.20 ± 1.11 0.28 ± 1.16 − 0.52 ± 1.28