**Table 4:** Mean reddening of sub-samples with different strengths of the Si II 1526 line detected at the redshift of the DLA system.
		$W_Si {\sc ii}$	<1 Å	$W_Si {\sc ii}$	$\geq$ 1 Å
Color	Sample	n	$\langle E \rangle$	n	$\langle E \rangle$
			[10^-3 mag]		[10^-3 mag]
(r-z)	1	151	$26 \pm 12$	29	$41 \pm 25$
	2	150	$21 \pm 11$	29	$41 \pm 25$
	3	149	$17 \pm 10$	29	$41 \pm 25$
(g-z)	1	142	$51 \pm 14$	29	$114 \pm 40$
	2	141	$46 \pm 13$	29	$114 \pm 40$
	3	140	$42 \pm 13$	29	$114 \pm 40$

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