In a study of casually dating adults, zero women reported that their partner consumed pornography daily or every other day. But in reality, 43% of casually dating men in the study reported this level of heavy porn consumption.
(Carroll, Busby, Willoughby, & Brown, 2017)
Carroll, J. S., Busby, D. M., Willoughby, B. J., & Brown, C. C. (2017). The porn gap: Differences in men's and women's pornography patterns in couple relationships. 16(2), 146-163. doi:10.1080/15332691.2016.1238796