The CCFNI is a 46-item, 4-point Likert-type questionnaire with 45 specific items and 1 general item for respondents to list a need of their choosing not included on the questionnaire. It measures the needs of family members following the critical illness of a family member.
The PTI is a questionnaire that measures the effect of chronic illness on a parent's ability to perform child care and other parenting tasks for their infants, children, and adolescents.