How Joe Ludwig voted compared to someone who believes that the federal government should introduce plain packaging for tobacco products

Division Joe Ludwig Supporters vote

10th Nov 2011 – Senate Trade Marks Amendment (Tobacco Plain Packaging) Bill 2011 - Second Reading - Read a second time

absent Yes (strong)

How "never voted on" is worked out

Normally a person's votes count towards a score which is used to work out a simple phrase to summarise their position on a policy. However in this case Joe Ludwig was absent during all divisions for this policy. So, it's impossible to say anything concrete other than that they have "never voted" on this policy.