Magento checkout - getting custom attribute value

<?php foreach ($this->getMethods() as $_method): $_code = $_method->getCode();

$cod = 1;

$cartItems = Mage::getSingleton('checkout/session')->getQuote()->getAllItems();

foreach ($cartItems as $item) {

if($cod==1)

{

$cod = Mage::getModel('catalog/product')->load($item->getProduct()->getId())->getCod();

}

}

 ?>