Demographic data. In the conduit group, 26 out of 32 (81%) families answered the questionnaire. In 19 of these families, both parents answered. A total of 45 completed questionnaires were returned from parents of children who had undergone a conduit implantation, 20 from fathers and 25 from mothers, in the VSD group, 32 out of 40 (80%) families answered the questionnaire. In 24 of these families, both parents answered. A total of 56 completed questionnaires were returned from parents with children who had undergone a VSD operation, 25 from fathers and 31 from mothers. The children were between 0-9 years of age, with 41 children between 0-3, 36 children between 4-6 years, and 24 children between 7-9 years.