Table 5.

The effect of retention interval by group.

Group	Time	Estimate	Z	p	95% CI
DLD	Day vs. month	1.34	6.84	<.0001	.96, 1.72
DLD	Day vs. week	1.04	3.51	.0004	.46, 1.62
DLD	Month vs. week	−0.30	−1.45	0.1472	−.70, .11
TD	Day vs. month	1.34	3.83	.0001	.66, 2.03
TD	day vs. week	−0.17	−0.63	.6270	−53, .88
TD	Month vs. week	−1.17	−3.81	.0001	−1.77, −.57