The Liberal candidate for a once-safe Coalition seat says women are not getting pay rises because they are not interested in "money matters and other business-related 'stuff'".

Sachin Joshi, the candidate for the NSW seat of Paterson, said men were more likely to actively seek business skills and responsibilities and boost their pay packets.

Sachin Joshi, the Liberal candidate for Paterson.

A YouGov Galaxy poll of 1065 voters, commissioned by independent lobby group WomenVote and released on Wednesday, showed 71 per cent of those surveyed believe the government should be doing more to address the gender pay gap.

"The main reason for the gender gap lies in the 'active interest (or lack of it) towards business skills/responsibilities'," the Maitland-based GP business coach wrote on LinkedIn in October 2018.