 According to a recent British research conducted by the Centre for Family and Household Research, "an increasing proportion of young people are sexually active below the age of consent".Additionally, the UK's first National Survey of Sexual Attitudes and Lifestyles (NATSAL), which collected data up to 1990, found that a high proportion of young people engage in other forms of sexual activity prohibited by the law, including mutual masturbation and oral sex, beginning on average at the age of 14.Waites also observed that "qualitative research reveals a picture of many young people negotiating sexual behaviour in a context of secrecy, constrained by power relationships while lacking confidence, resources and support".