β Random effects
estimates
After robust
standard errors
95% CI p 95% CI p
Time
(per month)
23 studies
39 time points
-1.6 -3.4 0.7 0.06 -4.8 1.6 0.08
Age
(per year)
23 studies
39 time points
1.5 -0.4 3.3 0.12 -0.6 3.6 0.13
Dementia
%
16 studies
26 time points
0.2 -0.1 0.6 0.19 -0.4 0.8 0.23