Notes on the data: Health risk factors

Estimated population, aged 18 years and over, with adequate fruit intake, 2014-15

 

Policy context:   A balanced diet, including sufficient fruit and vegetables, reduces a person's risk of developing conditions such as heart disease and diabetes. The National Health and Medical Research Council's (NHMRC) 2013 Australian Dietary Guidelines recommend a minimum number of serves of fruit and vegetables each day, depending on a person's age and sex, to ensure good nutrition and health. The data described here are modelled estimates of fruit consumption only, as the number of survey respondents meeting the recommended guideline for consumption of vegetables was too small to allow modelling [1].

In 2014-15, 49.8% of Australians aged 18 years and over met the guidelines for recommended daily serves of fruit (two or more serves), with women were more likely to meet the guidelines than men, at 55.4% and 44.0%, respectively [1].

Reference

  1. Australian Bureau of Statistics (ABS). Daily intake of fruit and vegetables, National Health Survey: First Results, 2014-15. Available from: http://www.abs.gov.au/ausstats/abs@.nsf/mf/4364.0.55.001; last accessed 04/12/2016
 

Notes:  In the absence of data from administrative data sets, estimates are provided for selected health risk factors from the 2014–15 National Health Survey (NHS), conducted by the Australian Bureau of Statistics (ABS).

Estimates at the Population Health Area (PHA) are modelled estimates produced by the ABS, as described below (estimates at the Local Government Area (LGA) and Primary Health Network (PHN) level were derived from PHA estimates).

Users of these modelled estimates should note that they do not represent data collected in administrative or other data sets. As such, they should be used with caution, and treated as indicative of the likely social dimensions present in an area with these demographic and socioeconomic characteristics.

The numbers are estimates for an area, not measured events as are, for example, death statistics. As such, they should be viewed as a tool that, when used in conjunction with local area knowledge and taking into consideration the prediction reliability, can provide useful information that can assist with decision making for small geographic regions. Of particular note is that the true value of the published estimates is also likely to vary within a range of values as shown by the upper and lower limits published in the data (xls) and viewable in the bar chart in the single map atlases.

What the modelled estimates do achieve, however, is to summarise the various demographic, socioeconomic and administrative information available for an area in a way that indicates the expected level of each health indicator for an area with those characteristics. In the absence of accurate, localised information about the health indicator, such predictions can usefully contribute to policy and program development, service planning and other decision-making processes that require an indication of the geographic distribution of the health indicator.

The survey response rate of around 85% provides a high level of coverage across the population; however, the response rate among some groups is lower than among other groups, e.g., those living in the most disadvantaged areas have a lower response rate than those living in less disadvantaged areas. Although the sample includes the majority of people living in households in private dwellings, it excludes those living in the most remote areas of Australia; whereas these areas comprise less than 3% of the total population, Aboriginal people comprise up to one third of the population in these areas. This and other limitations of the method mean that estimates have not been published for PHAs with populations under 1,000, or with a high proportion of their population in:

  1. non-private dwellings (hospitals, gaols, nursing homes - and also excludes members of the armed forces);
  2. in very remote or in discrete Aboriginal communities, as determined by the ABS; and
  3. where the relative root mean square errors (RRMSEs) on the estimates was 1 or more (estimate replaced with ≠)

Notes:

  1. Estimates with RRMSEs from 0.25 and to 0.50 have been marked (~) to indicate that they should be used with caution; and those greater than 0.50 but less than 1 are marked (~~) to indicate that the estimate is considered too unreliable for general use.
  2. For the Primary Health Network (PHN) data, differences between the PHN totals and the sum of LGAs within PHNs result from the use of different concordances.

Indicator detail

Adequate fruit intake meeting the 2013 National Health and Medical Research Council (NHMRC) Australian Dietary Guidelines. The minimum number of serves recommended in the 2013 NHMRC Australian Dietary Guidelines is two or more serves for people aged 18 years and over. More information about these guidelines is in the ABS publication National Health Survey: First Results, 2014-15 (Cat. no. 4364.0.55.001) in the Glossary.

 

Numerator:  Estimated population aged 18 years and over who had an adequate fruit intake

 

Denominator:  Total population aged 18 years and over

 

Detail of analysis:  Indirectly age-standardised rate per 100 persons (aged 18 years and over); and/or indirectly age-standardised ratio, based on the Australian standard

 

Source:  Compiled by PHIDU based on modelled estimates from the 2014-15 National Health Survey, ABS (unpublished).

 

© PHIDU This content is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Australia licence.