Census Key Statistics Table KS21: Households with limiting long-term illness and dependent children. Note: * A dependent child is a person in a household aged 0 -15 (whether or not in a family) or a person aged 16 - 18 who is a full-time student in a family with parent(s). Cells in this table have been randomly adjusted to avoid the release of confidential data. Census day was 29 April 2001.