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Table 3 Linear mixed effects output for longitudinal data

From: Subjective cognitive decline is a better marker for future cognitive decline in females than in males

 

Global cognition

Episodic memory

Semantic memory

Perceptual speed

Visuospatial abilities

Working memory

Age at baseline

β =  − 0.26

β =  − 0.25

β =  − 0.23

β =  − 0.32

β =  − 0.09

β =  − 0.06

SE = 0.01

SE = 0.01

SE = 0.01

SE = 0.01

SE = 0.01

SE = 0.01

t =  − 19.58

t =  − 19.31

t =  − 16.96

t =  − 22.48

t =  − 6.78

t =  − 4.08

p < .001

p < .001

p < .001

p < .001

p < .001

p < .001

Education

β = 0.34

β = 0.24

β = 0.24

β = 0.29

β = 0.29

β = 0.31

SE = 0.01

SE = 0.01

SE = 0.01

SE = 0.01

SE = 0.01

SE = 0.01

t = 25.40

t = 17.98

t = 17.26

t = 20.43

t = 21.32

t = 21.52

p < .001

p < .001

p < .001

p < .001

p < .001

p < .001

SCD classification

β =  − 0.24

β =  − 0.27

β =  − 0.23

β =  − 0.17

β =  − 0.09

β =  − 0.06

SE = 0.04

SE = 0.03

SE = 0.04

SE = 0.04

SE = 0.03

SE = 0.04

t =  − 6.71

t =  − 7.88

t =  − 6.43

t =  − 4.48

t =  − 2.28

t =  − 1.61

p < .001

p < .001

p < .001

p < .001

p = .022

p = .11

Male sex

β =  − 0.18

β =  − 0.26

β =  − 0.12

β =  − 0.24

β = 0.32

β =  − 0.05

SE = 0.04

SE = 0.04

SE = 0.04

SE = 0.04

SE = 0.04

SE = 0.04

t =  − 4.69

t =  − 7.09

t =  − 3.05

t =  − 5.88

t = 8.33

t =  − 1.18

p < .001

p < .001

p = .002

p < .001

p < .001

p = .24

TimeFromBaseline

β =  − 0.19

β =  − 0.12

β =  − 0.20

β =  − 0.28

β =  − 0.08

β =  − 0.10

SE < 0.01

SE < 0.01

SE < 0.01

SE < 0.01

SE < 0.01

SE < 0.01

t =  − 35.14

t =  − 19.02

t =  − 34.50

t =  − 53.54

t =  − 11.60

t =  − 17.43

p < .001

p < .001

p < .001

p < .001

p < .001

p < .001

Male sex: SCD classification

β = 0.09

β = 0.14

β = 0.06

β = 0.01

β = 0.15

β =  − 0.02

SE = 0.07

SE = 0.07

SE = 0.07

SE = 0.07

SE = 0.08

SE = 0.08

t = 1.27

t = 1.96

t = 0.75

t = 0.17

t = 2.10

t =  − 0.22

p = .20

p = .05

p = .45

p = .86

p = .036

p = .83

SCD: TimeFromBaseline (females)

β =  − 0.14

β =  − 0.15

β =  − 0.13

β =  − 0.07

β =  − 0.09

β =  − 0.08

SE = 0.01

SE = 0.01

SE = 0.01

SE = 0.01

SE = 0.01

SE = 0.01

t =  − 12.85

t =  − 11.88

t =  − 11.49

t =  − 7.07

t =  − 7.02

t =  − 7.20

p < .001

p < .001

p < .001

p < .001

p < .001

p < .001

Male sex: TimeFromBaseline

β =  − 0.02

β < 0.01

β =  − 0.02

β <  − 0.01

β =  − 0.01

β =  − 0.04

SE < 0.01

SE < 0.01

SE = 0.01

SE < 0.01

SE = 0.01

SE = 0.01

t =  − 1.73

t = 0.25

t =  − 1.78

t =  − 0.37

t =  − 1.02

t =  − 3.72

p = .08

p = .80

p = .07

p = .71

p = .30

p < .001

MaleSex: SCD classification: TimeFromBaseline

β = 0.10

β = 0.09

β = 0.07

β = 0.06

β = 0.10

β = 0.06

SE = 0.02

SE = 0.02

SE = 0.02

SE = 0.02

SE = 0.03

SE = 0.02

t = 4.65

t = 3.56

t = 3.22

t = 2.96

t = 4.00

t = 2.84

p < .001

p < .001

p = .001

p = .003

p < .001

p = .004

Contrasts

SCD classification: TimeFromBaseline (males)

β =  − 0.04

β =  − 0.06

β =  − 0.06

β =  − 0.01

β < 0.01

β =  − 0.02

SE = 0.02

SE = 0.02

SE = 0.02

SE = 0.02

SE = 0.02

SE = 0.02

t =  − 2.25

t =  − 2.97

t =  − 3.12

t =  − 0.87

t = 0.4

t =  − 1.00

p = .024

p = .003

p = .001

p = .38

p = .68

p = .32

  1. Bolded values are results that remained significant after FDR correction. The additional contrast was completed to examine the difference in rate of change for male SCD + vs. male SCD −