Table 12.

Examination of age group differences in the average Pearson correlation for sleep-memory associations by episodic memory task measure with the 95% confidence interval

	Young						Old
Memory Measure	r	LL	UL	k	j	p	r	LL	UL	k	j	p
Recall	0.18	0.06	0.30	23	180	.003	0.12	−0.01	0.25	14	111	.073
Recognition	0.20	0.10	0.29	24	277	<.001	0.24	0.10	0.37	8	48	<.001
Associative	0.24	0.14	0.34	32	292	<.001	0.21	0.09	0.33	14	97	<.001
Non-Associative	0.11	0.01	0.20	16	165	0.02	0.10	−0.03	0.22	7	62	0.13
Associative Recall	0.24	0.07	0.39	17	127	.005	0.17	−0.01	0.34	8	74	0.069
Associative Recognition	0.22	0.09	0.34	15	165	.001	0.31	0.12	0.48	6	23	.002
Non-Associative Recognition	0.16	0.03	0.29	11	112	.02	0.16	−0.03	0.34	2	25	0.11
Verbal	0.16	−0.03	0.34	19	201	<.001	0.01	−0.21	0.23	16	132	<.001
Pictorial	0.18	0.06	0.31	20	226	.004	0.01	−0.21	0.23	3	17	0.91
Spatial	0.11	−0.25	0.45	6	36	.55	−0.11	−0.50	0.32	2	14	0.63
Non-Spatial	0.20	0.12	0.28	40	421	<.001	0.21	0.12	0.29	19	145	<.001
Immediate	0.18	0.08	0.28	12	62	.04	0.02	−0.07	0.10	4	30	.51
Delayed	0.20	0.12	0.28	43	380	<.001	0.18	0.08	0.28	19	128	<.001

NOTE: LL = lower confidence interval; UL = upper confidence interval; k = the number of studies; j = the number of effect sizes.