More than half (56.2 percent) of adult New Zealanders have low health literacy skills (Ministry of Health 2010). Groups with poor health literacy include older people, Māori, people in Pacific and other ethnic minority groups, and people on low incomes. Māori have poorer health literacy than non-Māori regardless of age, gender, income, employment status, education level or location. There is a strong relationship between a person’s health literacy and their health status (Ministry of Health 2012). Although there is little research that specifically investigates the health literacy of children, there is evidence that low literacy amongst parents or caregivers is related to worse health outcomes for children (DeWalt and Hink 2009). One longitudinal study about literacy and asthma self-management skills showed that