Sarah Derrett

Sarah Derrett
University of Otago · Department of Preventive & Social Medicine

DipCpN, BA, MPH, PhD

About

236
Publications
77,442
Reads
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33,583
Citations
Citations since 2016
115 Research Items
27962 Citations
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Introduction
Previous positions: 2013-2015 Associate Professor & Director of Health, Disability and Rehabilitation Studies, School of Public Health, Massey University, Palmerston North, New Zealand
Additional affiliations
July 2013 - present
Massey University
Position
  • Director - Health, Disability and Rehabilitation
July 2013 - July 2015
Massey University
Position
  • Director - Health, Disability and Rehabilitation
January 2001 - December 2005
Keele University

Publications

Publications (236)
Article
Aims: To examine if differences exist between injured Māori and non-Māori in accessing and receiving support from the Accident Compensation Corporation (ACC) for treatment and rehabilitation of subsequent injuries. Methods: This cohort study utilised participants' self-reported data from the Prospective Outcomes of Injury Study, and ACC claims d...
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Background Road traffic injuries (RTIs), primarily musculoskeletal in nature, are the leading cause of unintentional injury worldwide, incurring significant individual and societal burden. Investigation of a large representative cohort is needed to validate early identifiable predictors of long-term work incapacity post-RTI. Therefore, up until two...
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Purpose Early intervention vocational rehabilitation (EIVR) can improve return to work (RTW) outcomes for people with spinal cord injury (SCI). However, mechanisms explaining how and why EIVR works are not well understood. This study aims to develop a conceptual framework describing key mechanisms of EIVR intervention effect following SCI. Methods...
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Objective: A prospective cohort study to investigate how injury and early post-injury psychosocial factors influence health outcomes 12 months after road traffic injury. Methods: Residents of New South Wales, Australia, with road traffic injury in the period 2013-16 were recruited. Explanatory factors were evaluated for outcomes over 12 months u...
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Purpose Māori, the Indigenous population of New Zealand (NZ), are at higher risk of problems with health-related quality of life (HRQoL) 12 months following injury. This paper examines pre-injury sociodemographic and health characteristics and injury-related factors, including healthcare access, and their association with HRQoL outcomes 12 months a...
Article
BACKGROUND: Early intervention vocational rehabilitation (EIVR) is used to optimize return to work (RTW) outcomes for people following spinal cord injury (SCI). However, theoretical clarity is required about how EIVR works, for whom and under what circumstances. OBJECTIVE: To develop a theoretical understanding of how people respond to EIVR followi...
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Aims: This paper aims to: describe steps to establish the Southern Health system's Community Health Council (CHC) and its associated advisors; discuss support for the CHC, advisors and staff; and reflect on engagement activities, what has worked well, and opportunities for development. Method: Prompts for establishing the CHC came from the Healt...
Article
Objectives The EuroQol Group is developing a new EQ-5D-Y-5L version with 5 severity levels for each of the 5 dimensions. The 5 severity levels describe different health severities and there is a potential for severity level inversion. This article aims to report the process of cross-cultural adaptation of the beta EQ-5D-Y-5L into Chichewa (Malawi)...
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Objective To identify factors associated with better or poorer self-reported health status in New Zealand military Veterans. Design A cross-sectional survey. Participants The participants of interest were the 3874 currently serving Veterans who had been deployed to a conflict zone, but all Veterans were eligible to participate. Study variables T...
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Background Disability is prevalent in individuals with kidney failure and can contribute to significantly reduced quality of life and survival. In older individuals with kidney failure, disability can be caused by a combination of factors, including issues directly related to their kidney disease and/or treatment, including weakness, low energy, an...
Article
Introduction Indigenous populations experience greater injury burdens than non-indigenous groups. This paper investigated, for injured Māori (New Zealand's indigenous population): 1) participation in paid and unpaid work 12 months after injury, 2) whether subsequent injuries are predictive of reduced participation, and 3) if particular characterist...
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Introduction: Injury accounts for 10% of the global burden of disease. While the literature is scarce, research investigating injury among Indigenous populations has found incidence and prevalence rates are higher, compared with non-Indigenous populations. New Zealand is no exception; Māori have higher rates of injury and disability compared with...
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This study thematically analyses free text responses from telephone interviews with 141 participants from the Prospective Outcomes of Injury Study (POIS-10/POIS-10 Māori) to explore their “lived experiences” of the COVID-19 Alert Level 4 lockdown in Aotearoa/New Zealand (NZ). Interviews occurred in March-April 2020, at which time, NZ underwent some...
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Background Research examining psychological distress in people who have experienced an injury has focused on those with serious injuries or specific injury types, and has not involved long-term follow up. The aims of this investigation were to describe the prevalence of, and factors contributing to, psychological distress in a cohort of people with...
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Purpose Little is currently known about how early intervention vocational rehabilitation (EIVR) works for people with newly acquired neurological conditions such as traumatic brain injury, acquired brain injury and spinal cord injury. This study aims, from a realist framework, to identify relevant literature and develop an initial programme theory...
Article
Objective: Post-traumatic stress disorder following injuries unrelated to mass casualty events has received little research attention in New Zealand. Internationally, most studies investigating predictors of post-injury post-traumatic stress disorder focus on hospitalised patients although most survivors are not hospitalised. We compared the preva...
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Introduction: Many individuals who experience an injury go on to have subsequent injuries. This study examined the views of health professionals about potential opportunities to prevent subsequent injuries. Methods: Semi-structured individual interviews were held with a range of health professionals involved in treating injuries. Interviews examine...
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Introduction Patient-Public Engagement (PPE) is central to most community and public health interventions. There are reports on PPE’s impact on improving health and health systems. Yet, PPE initiatives are infrequent in Sub-Saharan Africa (SSA). A key step to enhancing engagement is identifying facilitators and barriers of PPE. Evidence synthesis o...
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Background Actively involving patients and communities in health decisions can improve both peoples’ health and the health system. One key strategy is Patient-Public Engagement (PPE). This scoping review aims to identify and describe PPE research in Sub-Saharan Africa; systematically map research to theories of PPE; and identify knowledge gaps to i...
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BACKGROUND: Early vocational rehabilitation following spinal cord injury (SCI) improves return to work (RTW) outcomes, but there is limited information about who benefits from such interventions, why and in what contexts. OBJECTIVE: We aimed to describe demographic and clinical characteristics and RTW outcomes of adults with SCI who received early...
Preprint
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Objective To identify factors associated with better or poorer self-reported health status in New Zealand Military Veterans. Design: An online cross-sectional survey. Participants The total number of eligible Veterans is unknown, but a total of 1,817 Veterans responded, including 1009 serving personnel providing a 26% response rate from that group....
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Introduction Measures of health-related quality-of-life (HRQoL) are increasingly important for evaluating healthcare interventions and treatments, understanding the burden of disease, identifying health inequities, allocating health resources and for use in epidemiological studies. Although many HRQoL measures developed for use in adult populations...
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Background Patient involvement in dialysis decision-making is crucial, yet little is known about patient-reported outcomes over time on dialysis. Objective To examine health-related outcomes over 24 and 36 months in an older cohort of dialysis patients. Design The “Dialysis outcomes in those aged ≥65 years study” is a prospective longitudinal coh...
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Objectives To derive New Zealand (NZ) population norms for the EQ-5D-5L and to examine the association between participants’ sociodemographic characteristics and their health-related quality of life. Methods Data from the 2018 NZ EQ-5D-5L valuation study (n = 2468) were used. Each participant’s 5-digit profile was converted to a single utility val...
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Injury-related disability burden extends well beyond two years post-injury, especially for Māori (Indigenous) New Zealanders. Māori also experience greater difficulty accessing health services. This prospective cohort study extension uses mixed-methods and aims to understand and identify factors contributing to long-term experiences and outcomes (p...
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Injury is a leading cause of disability and is costly. This prospective cohort study extension aims to improve disability, health, and wellbeing outcomes for injured New Zealanders, including for Māori. We will identify predictors and modifiable risk factors of long-term outcomes (positive and negative), and develop an Injury Early Care Tool (INJEC...
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Introduction Return to work after spinal cord injury (SCI) is linked to well-being and better physical and mental health outcomes. In New Zealand, work rates after SCI are lower than the general population. Vocational rehabilitation is one method of supporting return to work. Although the best model has not been determined, there is evidence suppor...
Article
Introduction ; This paper identifies predictors of subsequent injury (SI) in a cohort of injured Māori. Interventions to reduce SI among indigenous populations would help overcome the disproportionate burden of subsequent injury experienced, thereby reducing inequities in injury outcomes and the overall burden of injury. Methods ; Interview data f...
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Background There is growing evidence that a range of pre-injury, injury related and post-injury factors influence social and health outcomes across the injury severity spectrum. This paper documents health related outcomes for people with mild, moderate and severe injury after motor vehicle crash (MVC) injuries in New South Wales, Australia. Metho...
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Introduction: The beta EQ-5D-Y-5L is a new patient-reported outcome measure (PROM) for children aged 8-15 years that is currently under development by the EuroQol Group. The EQ-5D-Y-5L is similar to the EQ-5D-Y but has five levels of severity per dimension rather than three. The increased number of levels increases the granularity of the responses...
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Introduction Indigenous people, including Māori in New Zealand, face many inequities in health and the determinants of health. Historically, the analysis and reporting of Indigenous health in the literature has usually taken a western medical view, often with a descriptive and deficit-oriented approach—ignoring the holistic nature of Indigenous hea...
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Objective To explore how adults living with inflammatory bowel disease (IBD) in rural New Zealand manage their condition and engage with healthcare providers. Design Qualitative exploratory design with semi-structured interviews analysed thematically. Setting and participants Interviews were conducted with 18 people living with IBD in the Otago r...
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Research has found health system improvement cannot be achieved without continuously engaging patients, their families and all stakeholders in the design, management and delivery of health care services. Following the Alma Ata declaration on Primary Health Care in 1978, the focus of health system improvement has tended to shift from physician or ho...
Article
Objectives People who have experienced a work-related injury can experience further work injuries over time. This study examines predictors of subsequent work-related injuries over 24 months among a cohort of injured workers. Methods Participants were those recruited to the earlier Prospective Outcomes of Injury Study (POIS) who had a work-related...
Preprint
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Objective To explore how adults living with Inflammatory Bowel Disease (IBD) in rural New Zealand manage their condition and engage with health care providers. Design Qualitative exploratory design with semi-structured interviews analysed thematically. Setting and participants Interviews were conducted with 18 people living with IBD in the Otago re...
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Background: Studies examining the impact of injury on health-related quality of life (HRQL) over time are necessary to understand the short- and long-term consequences of injury for population health. The aim of this systematic review was to provide an evidence update on studies that have measured HRQL over time in general injury populations using...
Article
Integrated care approaches have been recommended to remove barriers to healthcare and improve the physical health outcomes of people living with serious mental illness (SMI) and/or substance use disorders (SUDs). The aim of this systematic scoping review was to describe empirical investigations of interventions designed to integrate physical, menta...
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Background Post-traumatic stress (PTS) is prevalent among military personnel. Knowledge of the risk and protective factors associated with PTS in this population may assist with identifying personnel who would benefit from increased or targeted support. Aims To examine factors associated with PTS among New Zealand military personnel. Methods For...
Article
Background: Community/consumer health councils (CHCs) are a relatively new phenomenon in New Zealand. CHCs are usually established within district health boards (DHBs) to help address gaps in community engagement in the health sector. Little is known about the establishment, structure, roles and functioning of these councils. Aim: To undertake a...
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Background: Patient and public engagement in paediatric health-care decision making is under-researched, and there is a lack of systematically reviewed literature in this area. Objective: To examine the extent, range and nature of published research investigating the engagement of children/youth, families and the public in paediatric service imp...
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Introduction: Interventions to reduce subsequent injuries among already-injured people presenting to healthcare providers may reduce the overall burden of injury. However, in order to develop such interventions it is necessary to understand what predicts subsequent injuries. This knowledge is currently limited for general injury populations. This...
Article
Aims: To investigate the rehabilitation experiences of Māori who were still reporting disability 24 months after an injury resulting in hospitalisation. Methods: Participants had been hospitalised for an Accident Compensation Corporation (New Zealand’s no-fault injury compensation insurer) entitlement claim injury between 2007 and 2009, and were ex...
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The EuroQol Group's health descriptive systems, the EQ-5D-3L and its successor introduced in 2009, the EQ-5D-5L, are widely used worldwide for valuing health-related quality of life for cost-utility analysis and patient-reported health outcome measures. A new online tool for creating personal and social EQ-5D-5L value sets was recently developed an...
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Introduction People with serious mental illness (SMI) and/or substance use disorders (SUDs) have an elevated risk of premature mortality compared with the general population. This has been attributed to higher rates of chronic illness among these individuals, but also to inequities in healthcare access and treatment. Integrated care has the potenti...
Article
Social audit is a mechanism used to hold frontline health service providers accountable. Using the case of the social audit process in Dang District, Nepal, this study explored the role of social audit in facilitating direct accountability between service providers and community. This relationship was summarised by three elements: information/data...
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Introduction: New Zealand’s health system is largely government-funded (80%) and low cost (9%GDP). The population (4.7 million) has services planned, purchased and provided via 20 District Health Boards (DHBs). Hospital services are usually accessed via general practitioner practices. Organisationally, general practices are supported by 33 not-for-...
Article
Aim: Māori, the indigenous population of New Zealand, experience a disproportionate burden of injury compared to non-Māori. Injury burden can be exacerbated by subsequent injuries (injuries that occur after, but not necessarily because of, an earlier or 'sentinel' injury). Despite obligations under New Zealand's Treaty of Waitangi, it appears no p...
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Objectives: To compare the prevalence of disability between migrants and non-migrants at three and 24 months post-injury, and to identify key predictors of post-injury disability among migrants. Methods: Disability among 2,850 injured participants, including 677 migrants to New Zealand, was measured prospectively using the World Health Organizat...
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Background Despite an increasing number of older people commencing dialysis the impact of dialysis on their quality of life and survival, remains unclear. The Dialysis Outcomes in those aged over 65 years or older study is an accelerated prospective cohort longitudinal design study, designed to obtain sufficient health related quality of life data,...
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Aims and objectives To explore the perspectives of nursing and physiotherapy academics regarding techniques designed to prevent musculoskeletal pain and injury in nurses. Background High rates of musculoskeletal injuries are evident in nurses, yet there is an absence of research identifying effective interventions to address this problem. Explorin...
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Abstract Background: The quality of life of patients with primary brain tumor in Indonesia is poorly understood. Therefore, this study aimed to investigate the health‐related quality of life of patients admitted to the Neurosurgery Department of Dr. Hasan Sadikin Hospital, Bandung, Indonesia, up to 3 months after discharge. Methods: Baseline dat...
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Background Work-related injuries can have a large impact on employees, employers and wider society. Preventing subsequent work-related injuries from occurring among those who have already had a work-related injury has the potential to reduce the burden of work-related injuries. However, predictors of subsequent work injuries must first be understoo...
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The psychological and physical health and wellbeing of New Zealand contemporary veterans Background For New Zealand veterans, operational service and transition to civilian life are critical life events. Most veterans do well, but a significant minority fare poorly. Adverse outcomes are associated with post-traumatic stress disorder, PTSD, and als...
Article
Aim: Information about Pacific patients' access to renal services is limited. This research aims to describe Samoan patients' access to nephrology services in New Zealand. Methods: Interviews were conducted with six health professionals and four Samoan patients about access to renal services in 2016. Participants were recruited using the snowbal...
Article
Objective: To examine how secondary health conditions (SHCs) that develop early after a spinal cord injury (SCI) are related to disability over time. Design: Prospective cohort study. Setting: Two spinal units in New Zealand (Burwood Spinal Unit and Auckland Spinal Rehabilitation Unit). Participants: Between 2007 and 2009, 91 people participated in...
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Purpose To examine participation in paid work, unpaid work and activities 12 months after a sentinel (initial) injury, and to determine the impact of sustaining a subsequent injury (SI) on these participation outcomes. Methods Participants were recruited to the Prospective Outcomes of Injury Study following an Accident Compensation Corporation (AC...
Article
Aims: To understand colorectal cancer (CRC) symptoms experienced by Aotearoa/New Zealand patients and to describe patient-experienced pathways and factors which may be associated with delayed diagnosis. Methods: Ninety-eight patients diagnosed with CRC, recruited via a national charity, completed a questionnaire. Questions included demographics,...
Article
Objectives To describe: 1) settings, activities and types of injuries for an ‘initial’ (sentinel) injury and subsequent injuries over 24 months, and 2) concordance between sentinel and subsequent injury events. Methods Participants (n = 2856) were recruited to the Prospective Outcomes of Injury Study (POIS) following their sentinel injury event, a...
Article
Objectives: The objectives are to (1) describe disability outcomes at 24 months after injury and (2) identify factors contributing to disability outcomes at 24 months after injury, for Māori and non-Māori who have been hospitalised for injury. Study design: This is a prospective cohort study. Methods: Prospective Outcomes of Injury Study parti...
Article
Background The impact of multiple medication exposure on health outcomes among older patients with end-stage kidney disease (ESKD) is unknown. Objective The objective of this study was to identify the impact of medicine exposure on hospitalisation rates and mortality in a prospective longitudinal observational study of older dialysis patients. Meth...