Examples of questionnaires and supporting documentation used in the National Survey of Sexual Attitudes and Lifestyles in 1990, by St. Mary's Hospital Medical School, University College London Medical School and Social and Community Planning Research, funded by the Wellcome Trust. Long questionnaire, short questionnaire, P.1110 booklets for men and women, project instructions, helplines info sheet, ARF extension sheet, address record form, letter, letter to parent or guardian, booklet of cards, general information leaflet