Recovery trajectories for long-term health-related quality of life following a road traffic crash injury : Results from the UQ SuPPORT study

Journal article


Kenardy, Justin, Heron-Delaney, Michelle, Hendrikz, Joan, Warren, Jacelle, Edmed, Shannon L. and Brown, Erin A.. (2017). Recovery trajectories for long-term health-related quality of life following a road traffic crash injury : Results from the UQ SuPPORT study. Journal of Affective Disorders. 214, pp. 8-14. https://doi.org/10.1016/j.jad.2017.02.031
AuthorsKenardy, Justin, Heron-Delaney, Michelle, Hendrikz, Joan, Warren, Jacelle, Edmed, Shannon L. and Brown, Erin A.
Abstract

Background
Diminished physical and mental health-related quality of life (HRQoL) is a common consequence of road traffic crash (RTC) injury. This study aimed to (a) determine the probable recovery trajectories in physical and mental HRQoL; (b) examine the impact of posttraumatic stress disorder (PTSD) on HRQoL scores within these trajectory groups; and (c) examine the influence of predictor covariates on trajectory group membership.

Methods
336 (63% female, Mage =44.72; SD =14.77) injured RTC survivors completed the SF-36v2 at approximately 6, 12, and 24 months after sustaining a RTC injury. Participants also completed telephone interviews to assess prior history of psychological disorder and current PTSD at each wave.

Results
Three trajectories were identified for SF-36v2 Physical Component Score (PCS): ”gradual recovery” (27.3%);”low but improving” (54.7%); and”severe and chronic” (17.9%). Four trajectories were defined for SF36v2 Mental Component Score (MCS): “unaffected” (19.1%);”severe but improving” (24.1%);”severe and declining” (17.3%); and”low but improving” (39.5%). A PTSD diagnosis significantly reduced SF36v2 component scores only in trajectories associated with poorer outcome. Age was predictive of trajectory group membership for PCS, whereas injury severity was predictive of trajectory group membership for MCS.

Limitations
Use of a compensation seeking sample affects generalizability to the general RTC population.

Conclusions
This study identified a concerning subgroup of individuals who have chronic and/or declining physical and mental HRQoL that can be impacted by a diagnosis of PTSD. The development of interventions with a special focus on associated psychological injury is needed to improve the HRQoL of at-risk individuals following RTC injury.

Keywordsquality of life; road traffic crash; posttraumatic stress disorder
Year2017
JournalJournal of Affective Disorders
Journal citation214, pp. 8-14
PublisherElsevier B.V.
ISSN0165-0327
Digital Object Identifier (DOI)https://doi.org/10.1016/j.jad.2017.02.031
Scopus EID2-s2.0-85014162914
Open accessPublished as green open access
Page range8-14
FunderMotor Accident Insurance Commission (MAIC)
Author's accepted manuscript
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Open
Publisher's version
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All rights reserved
File Access Level
Controlled
Output statusPublished
Publication dates
Online28 Feb 2017
Publication process dates
Accepted28 Feb 2017
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