Available Data

Growing Up in New Zealand is this country’s largest longitudinal study of child development. 

We visit our 6,000 participants and their families every three or four years and plan to do so until the study children are at least 21-years of age.

We gather information across six inter-connected domains:

  • Health and wellbeing
  • Psychosocial and cognitive development
  • Education
  • Family/whānau
  • Culture and identity
  • Societal context and neighbourhood environment

We have collected information from the cohort families – mothers, fathers and children at the numerous milestones.

In the table below you will find details of the following:

  • Our data collection waves (DCW) 
  • The methodology used at each DCW
  • The questionnaires used at each DCW
  • The Data Dictionaries for each DCW
  • Data Release User Guides.

You can also find all Data Dictionaries in one searchable file here

You might also like to view the research projects currently underway or completed using Growing Up in New Zealand data and the completed study reports here. You can find out more about accessing Growing Up in New Zealand data here

Data Collection Wave (DCW) Methodology DCW questionnaires Data Dictionaries User Guides
Antenatal Data Sets (DCW0)
  • Face-to-face interview with the pregnant mother. 
  • Face-to-face interview with the pregnant woman's partner.
 

Child aged 6 weeks

  • Phone call to collect age-appropriate developmental information
   
Child aged 9 months
  • Face-to-face interview with mother. 
  • Face-to-face interview with partner
 
Child aged 16 months
  • Phone call to collect age-appropriate developmental information
   
Child aged 23 months
  • Phone call to collect age-appropriate developmental information
   
Two-year data sets (DCW2)
  • 2-year face-to-face interview with child’s mother
  • 2-year direct observations of child 
  • 2-year developmental and anthropometric assessments of the child
Pre-school data sets (DCW3-5)
  • 31-month phone call
  • 45-month phone call
  • 54-month face-to-face interview with child’s mother
  • 54-month direct observations of the child
  • 54-month developmental and anthropometric assessments of the child
Transition to school data sets (DCW6)
  • 72-month online questionnaire
Eight-year data sets (DCW8)
  • 8 year face-to-face interview with the child
  • 8 year face-to-face interview with the mother
  • 8 year direct observations of the child
  • 8 year developmental and anthropometric assessments of the child