A better way to show a node-based field in a region outside of the node itself
If you aim to keep your footer region's wrappers in page.tpl.php your only option is to:

hide field in node.tpl (tpl file or field display settings)

render the field in page.tpl.php where you want it.
a) use hook_preprocess_page in tepmlate.php to set page=variable = field value (if exists); then print/render that variable in page.tpl.php
b) less elegant and more error prone: render field from page's $node variable


The above is assuming you're using standard drupal's theming system.

THE QUICKEST: Alternatively you can use something like:
https://www.drupal.org/project/fieldblock
to expose your value as a block a,d them place it in whatever region.
this one is compatible with whatever you use; panels DS; stabdrad block stystem; Context....