Comparing self-rated health and self-assessed change in health in a longitudinal survey: Which is more valid?
Fiona Imlach Gunasekara, Kristie Carter, Tony Blakely
Social Science & Medicine | PERGAMON-ELSEVIER SCIENCE LTD | Published : 2012
This work, and the SoFIE-Health sub-study (reference 08/048), was supported by the Health Research Council of New Zealand, and was initiated as part of a PhD thesis within the Health Inequalities Research Programme, University of Otago. Publication was supported by the University of Otago Research Committee, by means of the University of Otago Postgraduate Publishing Bursary. Access to the data used in this study was provided by Statistics New Zealand in a secure environment designed to give effect to the confidentiality provisions of the Statistics Act, 1975. The results in this study and any errors contained therein are those of the authors, not Statistics New Zealand.