New Zealand Mental Health Survey and Health and Lifestyles Survey: Methods report for the combination of three survey datasets

This is a methods report for the combination of three survey datasets. The 2015 and 2016 New Zealand Mental Health Survey (NZMHS) and the 2016 Health and Lifestyles Survey (HLS) datasets were pooled in order to allow researchers to analyse itemsrelated to mental health for small sub-population groups, such as subgroups of Pacific peoples or Māori.