A solid majority of readers surveyed by The Australian Financial Review still back NSW Premier Gladys Berejiklian two weeks on from revelations she had a secret years-long relationship with disgraced former politician Daryl Maguire.

Ms Berejiklian has resisted calls to resign for not disclosing her relationship with Mr Maguire – who is being investigated over dealings with property developers while an MP – despite wire taps showing he talked to her about his business on the phone.