Conservative Party leader Colin Craig has sparked outrage by saying homosexuality is a choice and gay people are more likely to have been abused as children.
The comments on TV3's The Nation this morning came in a discussion with Labour MP Louisa Wall over her bill to legalise same-sex marriage.
Asked if he thought the bill might encourage homosexuality, Mr Craig replied people chose to be homosexual and factors other than genetics could determine whether someone was gay.
"I think most people recognise that there are other influences such as upbringing, such as events in life," he said.
"For homosexuals, they are statistically far more likely to have suffered child abuses as a child... It certainly can make a difference in someone's choices in life, there's no question about that in my mind."