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Estimating the proportion of overweight soldiers in the Australian Army by combat uniform waist size
  1. Jason Selman1,2,
  2. M Zevenbergen1 and
  3. G Wing3
  1. 13rd Brigade, Australian Army, Townsville, Queensland, Australia
  2. 2School of Public Health, Curtin University Bentley Campus, Perth, Western Australia, Australia
  3. 317th Brigade, Australian Army, Townsville, Queensland, Australia
  1. Correspondence to Jason Selman, 3rd Brigade, Australian Army, Townsville, QLD 4814, Australia; jsselman{at}gmail.com

Abstract

Introduction Recent studies have shown an increasing number of overweight and obese members serving in many armies. Overweight and obesity can be estimated using either body mass index or waist circumference measures. The aim of this research was to estimate the proportion of the Australian Army considered to be overweight and obese by waist circumference using the proxy measure of issued combat uniform waist size.

Method The Australian Army has been progressively replacing combat uniforms with a new uniform design and camouflage pattern since 2016. The total number of issued combat uniforms by size was obtained from the points of issue for the three Australian Army combat brigades from the first issue of the new uniform in January 2016 through to November 2019. The waist size of issued combat pants was collated from each of the three points of issue, adjusted for measured waist size accuracy and sex, and analysed to estimate the proportion of overweight and obese soldiers in the Australian Army.

Results There were a total of 155 735 combat pants issued across the three points of issue. The mean waist size based on combat uniform pant size was found to be 90.4 cm, with an SD of 7.5 cm. Based on these data, approximately 23.3% of the Australian Army population can be estimated to be overweight and an additional 4.5% to be obese.

Conclusions The Australian Army, like many western armies, has a significant proportion of overweight personnel. This can negatively affect operational capability, health and future healthcare costs both within the military and to society after military service has concluded. This is the first study to use a uniform waist size as a proxy to estimate overweight and obesity. This technique has application for the military, emergency services or any other organisation in which uniforms are provided.

  • epidemiology
  • health economics
  • public health
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Footnotes

  • Contributors JS managed the research project, conducted the data and statistical analysis, and was the lead author of the manuscript. MZ was the principal data collector and assisted with data analysis. GW proposed the research method and assisted in editing the manuscript. The corresponding author attests that all listed authors meet authorship criteria and that no others meeting the criteria have been omitted.

  • Funding All authors are full-time employees of the Australian Army.

  • Competing interests None declared.

  • Patient consent for publication Not required.

  • Ethics approval The research is based on completely anonymous logistical data consisting of numbers of issued combat uniforms.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data availability statement All data and computer code are available on reasonable request to the corresponding author.

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