Table 9.
Examination of age group differences in average Pearson correlation for sleep-memory associations by sleep parameter group with the 95% confidence interval
| Young | Old | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sleep Parameter Group | r | LL | UL | k | j | p | r | LL | UL | k | j | p |
| Sleep Continuity | −0.05 | −0.22 | 0.12 | 6 | 20 | .551 | 0.09 | −0.06 | 0.23 | 10 | 43 | .239 |
| Sleep Duration and Initiation | 0.13 | −0.01 | 0.26 | 12 | 29 | .071 | 0.09 | −0.06 | 0.24 | 8 | 16 | .244 |
| Sleep Stages | 0.13 | 0.04 | 0.21 | 26 | 240 | .004 | 0.07 | −0.06 | 0.19 | 7 | 63 | .299 |
| Sleep Architecture | 0.26 | 0.12 | 0.39 | 23 | 154 | <.001 | 0.35 | 0.07 | 0.57 | 7 | 12 | .013 |
NOTE: LL = lower confidence interval; UL = upper confidence interval; k = the number of studies; j = the number of effect sizes.