Journal Articles
Permanent URI for this collectionhttps://mro.massey.ac.nz/handle/10179/7915
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Item How should we manage fatigue in on-call workers? A review of guidance materials and a systematic review of the evidence-base(Elsevier Ltd, 2025-02) Bumpstead H; Kovac K; Ferguson SA; Vincent GE; Bachmann A; Signal L; Aisbett B; Thomas MJW; Sprajcer M; Vitiello MOn-call work is known to contribute to disrupted sleep, fatigue, and an increased risk of incidentor injury. This review aimed to a) identify current on-call management strategies that are suggested or required by regulatory bodies, and b) determine if there is empirical evidence to support these strategies in managing the fatigue of on-call workers. A grey literature search produced 65 relevant guidance materials. A systematic inductive thematic process identified consistent strategies included in these materials: 1) regularity/predictability of shifts, 2) fatigue management policy, 3) prescriptive rule sets, 4) fitness for work assessment, 5) on-the-day control measures, 6) risk assessment, 7) training and education, and 8) call management. Subsequently, a systematic review identified 17 original studies on the effectiveness of fatigue management strategies in on-call workers. Very little research has been done on fatigue management strategies for on-call workers outside of some prescriptive hours of work limitations. These limitations generally reduced fatigue, but often had the unintended consequence of increasing workload, which may inadvertently increase overall risk. Training, education, and call management (e.g., protected naps during on-call periods) also had some supporting evidence. The current gap in evidence emphasises the critical need for research on tailored on-call fatigue management strategies.Item Sleep as a social and cultural practice in Aotearoa: a scoping review(Taylor and Francis Group, 2024-09-22) Ross I; Signal L; Tassell-Matamua N; Meadows R; Gibson RTraditionally, sleep science is grounded in biology, physiology, and medicine. But socio-cultural considerations provide a crucial lens into sleep health. Exploring the sociology of sleep in Aotearoa New Zealand (AoNZ) could broaden our understandings and better represent sleep-related practices among our diverse communities. This scoping review represents the pre-existing literature concerning sleep as a social or cultural practice in AoNZ. The initial search (via Discover and Scopus) search yielded 2,442 results. Of these results, 113 manuscripts were characterised of interest, but only 20 were directly related and included in the review. This literature was presented in relation to Meadows’ (2005) modes of ‘sleep embodiment’ including sleep practice norms, the pragmatics of sleep and social roles, individual experiences and feelings related to sleep, and the visceral need for sleep. The findings highlight the progress of sleep literature in AoNZ. This covers diverse sleep practices, perspectives and experiences of sleep and sleeping, as well as the broader socio-cultural factors and unique AoNZ context that influence sleep. However, gaps in the field of local sleep research are also identified. Findings lay the foundation for further research in AoNZ to explore sleep-related discourses and practices that will ultimately broaden existing perspectives.Item "It's Just [Complicated] Sleep": Discourses of Sleep and Aging in the Media.(Oxford University Press, 2023-12) Breheny M; Ross I; Ladyman C; Signal L; Dew K; Gibson RThe media are influential in shaping beliefs and attitudes on aging and health-related behaviors. Sleep is increasingly recognized as a key pillar for healthy aging. However, the role of media representations of sleep is yet to be assessed with regard to discourses of aging. Texts from New Zealand's main free online news source were collated using key words "sleep" together with "aging," "older," "elderly," or "dementia" between 2018 and 2021. Contents of 38 articles were interpreted using critical discourse analysis. Discursive constructions described an inevitable decline of sleep with aging, including impacts of both physiological decline and life stage transitions; sleep's role as both a remedy and risk for ill health and disease; and the simplification of solutions for self-managing sleep juxtaposed alongside recognition of its complexity. The audience of these complex messages is left in the invidious position of both pursuing sleep practices to prevent age-related decline, whilst also being told that sleep degradation is inevitable. This research demonstrates the complexity of media messaging and the fraught options it offers: good sleep as both a reasonable achievement to strive for and as impossibly idealistic. Findings mirror two predominant health identities available to older people, as responsible for resisting aging or as falling into inevitable decline. This reveals additional expectations around appropriate time use and behaviors with aging. More nuanced messaging that goes beyond sleep as a resource for health and waking productivity is recommended. Acknowledging the complexity of sleep, aging, and society could be the starting point of such adaptation.Item Social Jetlag and Cardiometabolic Risk in Preadolescent Children(Frontiers Media SA, 2021-10-07) Castro N; Diana J; Blackwell J; Faulkner J; Lark S; Skidmore P; Hamlin M; Signal L; Williams MA; Stoner L; Barseghian AObjective: Childhood cardiometabolic disease risk (CMD) has been associated with short sleep duration. Its relationship with other aspects of sleep should also be considered, including social jetlag (SJL) which represents the difference between a person's social rhythms and circadian clock. This study investigated whether childhood CMD risk is associated with sleep duration, sleep disturbances, and SJL. Study Design: The observational study included 332 children aged 8-10 years (48.5% female). The three independent variables were sleep duration, sleep disturbances, and SJL. SJL was calculated as the variation in hours between the midpoint of sleep during free (weekend) days and work/school days. Eleven cardiometabolic biomarkers were measured, including central blood pressure, lipids, glycated hemoglobin, arterial wave reflection, and glucose. Underlying CMD risk factors were identified using factor analysis. Results: Four underlying CMD risk factors were identified using factor analysis: blood pressure, cholesterol, vascular health, and carbohydrate metabolism. Neither sleep disturbances nor sleep duration were significantly associated with any of the four CMD factors following adjustments to potential confounders. However, SJL was significantly linked to vascular health (p = 0.027) and cholesterol (p = 0.025). Conclusion: These findings suggest that SJL may be a significant and measurable public health target for offsetting negative CMD trajectories in children. Further studies are required to determine biological plausibility.Item Food, nutrition and cancer: perspectives and experiences of New Zealand cancer survivors(New Zealand Medical Association, 2021-11-12) Peniamina R; Davies C; Moata'ane L; Signal L; Tavite H; Te Morenga L; McLean RAIM: This research sought to understand and describe cancer survivors' perspectives and post-diagnosis experiences of food and nutrition, with a particular focus on barriers to healthy eating, health equity, and Māori and Pacific perspectives. METHOD: Data were collected using semi-structured interviews with cancer survivors from three different ethnic groups (Māori, Pacific Peoples, and New Zealand European). Thematic analysis was undertaken to identify both similar and contrasting experiences and perspectives in relation to topics of interest. Data analysis also sought to identify any trends indicating differences between ethnic groups. RESULTS: Limited awareness of the role nutrition has in cancer recovery or prevention, combined with little or no access to nutrition advice/support, meant that healthy dietary change was not a focus for some cancer survivors in this study, whereas others invested considerable time and money accessing nutrition information and support outside of cancer care services. Financial limitations (eg, cost of healthy food and low income) and lack of practical support were also important barriers to post-diagnosis healthy eating. CONCLUSION: There is a need for more widely available cancer-specific nutrition advice and support in New Zealand. Interventions to address financial barriers and increase access to cancer-related nutrition advice and support have the potential to improve cancer outcomes and reduce inequities in cancer outcomes.