SURVEY DESIGN AND OPERATION
This chapter provides information about the design and operation of the 2011-12 National Health Survey (NHS) and National Nutrition and Physical Activity Survey (NNPAS) including the following:
- sample design and selection
- data collection
- measures taken to maximise response
- response rates
- coding and edit checks
- weighting, benchmarking and estimation.
This chapter also provides general information on the National Health Measures Survey (NHMS) (referred to as the Biomedical component) and the combined NHS/NNPAS sample file (also known as the Core).