This survey is the second to access the impact of the "John Kirwan" National Depression Initiative (NDI) Campaign.
- A total of 1,006 interviews were completed nationally with the NDI priority audience of males aged 16 to 44 years and females aged 16 to 64 years, including 300 Maori.
- Data collection was between 6 and 29 May, 2008
- The weighted response rate was 79%