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Impact of comorbidity on health outcome after a transport-related injury
  1. Stella Samoborec1,
  2. Pamela Simpson1,
  3. Behrooz Hassani-Mahmooei2,
  4. Rasa Ruseckaite1,
  5. Melita Giummarra1,
  6. Darshini Ayton1,
  7. Sue Evans1
  1. 1Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
  2. 2Strategic Intelligence and Insights Unit, Monash University, Clayton, Victoria, Australia
  1. Correspondence to Stella Samoborec, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, VIC 3004, Australia; Stella.samoborec{at}monash.edu

Abstract

Introduction Understanding the impact of comorbidity on health outcomes is important given that comorbidities can affect survival, morbidity, service delivery costs and healthcare utilisation. However, little is known about the types of comorbidities affecting specific health outcomes after minor to moderate road trauma.

Methods This study involved 1574 participants who claimed injury compensation following transport-related injury. Cross sectional data were collected. Health outcomes were assessed using the EQ-5D-3L specific domains and summary score. Twelve self-reported pre-existing chronic conditions were assessed using a multivariate logistic regression, adjusting for demographic and injury characteristics.

Results Out of 1574 participants, only 17 (1%) participants reported no pre-existing comorbidities, 72% reported one, 13% reported two and 14% reported three or more comorbidities. Hypertension (15%), depression (14%) and anxiety (14%) were the most commonly reported comorbidities, followed by arthritis (13%), chronic pain (11%) and asthma (11%). Participants with a history of arthritis (adjusted odds ratio [AOR] 1.90, 95% CI 1.24 to 2.91); chronic back pain (AOR 1.59, 95% CI, 1.04 to 2.43); other chronic pain (AOR 2.73, 95% CI 1.42 to 4.24); depression (AOR 2.55, 95% CI 1.60 to 4.05) and anxiety (AOR 2.08, 95% CI 1.32 to 3.26) were at increased risk of poorer health outcomes, after controlling for age, gender, type of injury and time since injury.

Conclusion This study found that comorbidities such as arthritis, chronic back pain, other chronic pain, depression and anxiety significantly increase the odds of poorer health postinjury, regardless of the time since injury. Regular screening of comorbid conditions may help identify people likely to have poorer outcomes, thereby enabling the implementation of interventions to optimise health despite the presence of comorbidities.

  • injury compensation
  • outcome of injury
  • quality of life
  • comorbidities
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Footnotes

  • Contributors SS and SE conceptualised the study. SS conducted the statistical analysis. PS and BHM provided assistance and advice on data analysis. SS drafted the manuscript. DA, RR, PS, SE and BHM reviewed and revised the manuscript. MG provided critical revision of the manuscript.

  • Funding SS, Monash ID 26381494, has received Capital Markets Cooperative Research Centre living allowance scholarship for conducting this study.

  • Disclaimer The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

  • Competing interests None declared.

  • Patient consent for publication Not required.

  • Ethics approval Monash University Human Research Ethics Committee (MUHREC Project Number Approval 2016 1044 760) approved the study.

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

  • Data sharing statement Data are available on reasonable request.

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