  In accordance with the AGN Unified Model, observed polarization can be
related to the orientation of the line of sight with respect to the torus. AGN
X-ray emission arises from the central region and carries the imprints of the
obscuring material. We aim to test a unified scheme based on optical
polarization using X-ray absorption. Using the XMM-Newton data of 19, optically
polarized Seyfert 1 sources, we developed a systematic analysis by fitting a
baseline model to test the presence of X-ray neutral or ionized (warm)
absorption. We find that 100\% of the polar-polarized sources show the presence
of absorption, with 70\% favoring the presence of a warm absorber. In contrast,
the equatorial-polarized sources show a fraction of absorbed spectra of 75\%,
with only 50\% consistent with the presence of a warm absorber.
