IJE Advance Access published online on May 28, 2009
International Journal of Epidemiology, doi:10.1093/ije/dyp215
Published by Oxford University Press on behalf of the International Epidemiological Association © The Author 2009; all rights reserved.
Cohort profile: Survey of Families, Income and Employment (SoFIE) and Health Extension (SoFIE-health)
1Health Inequalities Research Program, School of Medicine and Health Sciences, University of Otago, Wellington, New Zealand.
2Statistics New Zealand, Wellington.
Corresponding author. Health Inequalities Research Program, School of Medicine and Health Sciences, University of Otago, Wellington, PO Box 7343, Wellington South, Wellington 6242, New Zealand. E-mail: kristie.carter@otago.ac.nz
Accepted 21 April 2009
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Panel studies in Western countries have transformed and greatly improved understanding of many social, economic and health trends, such as the British Panel Household Survey1,2 and the Whitehall study in the UK,3 and the Household, Income and Labour Dynamics in Australia (HILDA) survey.4 In New Zealand (NZ) there are a number of birth cohort and population-specific longitudinal studies: the Dunedin multidisciplinary health and development study,5 the Christchurch health and development study,6 the Pacific Islands Family Study7 and the Health Work and Retirement longitudinal study.8 However, there was a need for a longitudinal study that covered all age ranges which could provide an understanding of the dynamics of the NZ economy and its interrelationship between the social and economic well-being of individuals, families and households and the factors affecting this well-being.
Statistics New Zealand was granted funding from the Foundation for Research, Science and Technology (Government organization) in 1997 to conduct
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Sampling frame
Sample selection
Sample size
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| Statistics New Zealand Security Statement |
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| Funding |
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