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    Daytime fatigue as a predictor for subsequent retirement among older New Zealand workers
    (Elsevier Inc on behalf of National Sleep Foundation, 2021-12) Myllyntausta S; Gibson R; Salo P; Allen J; Gander P; Alpass F; Stephens C
    Objectives There is limited information on the role of fatigue on retirement, either independently or in association with poor sleep. The aim of this study was to examine the prospective association between daytime fatigue, measured as feeling tired or feeling worn out, independently and in relation to dissatisfaction with sleep, and subsequent retirement among 960 older workers in New Zealand. Methods Data from 2 consecutive surveys (2008 and 2010) of the New Zealand Health, Work, and Retirement Longitudinal Study were used. Poisson regression was used to investigate whether feeling tired and feeling worn out in 2008, along with dissatisfaction with sleep, were associated with self-reported retirement either due to health reasons or other reasons by 2010. Results The risk for retirement due to health reasons during a 2-year follow-up was 1.80-fold (95% confidence interval [CI] 1.16-2.45) among those who felt tired and 1.99-fold (95% CI 1.34-2.64) among those who felt worn out when compared to those not tired or not feeling worn out after adjusting for several sociodemographic, work characteristics and self-rated health. The risk for retirement due to health reasons was even higher when participant experienced both tiredness and feeling worn out. Dissatisfaction with sleep did not predict retirement due to health or other reasons. Conclusions Our results highlight that workers at risk of subsequent retirement due to health reasons may be identified with rather simple questions on tiredness and feeling worn out even among generally healthy older workers.
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    Trajectories of material living standards, physical health and mental health under a universal pension
    (BMJ Publishing Group, 10/03/2020) Allen J; Alpass FM
    Objective Aged pension schemes aim to support material and non- material well- being of older populations. The current work aimed to describe dominant trajectories of material living standards in the decades prior to and following eligibility for an aged pension, and describe associated trajectories of physical and mental health. Methods Longitudinal data on living standards and indices of health Short Form 12 were collected over 2–12 years follow- up from 4811 New Zealand adults aged 55–76. Growth mixture models were used to identify dominant trajectories of living standards with age. Latent growth curve models were used to describe trajectories of physical and mental health associated with each living standards trajectory class. results A group characterised by good living standards with age (81.5%) displayed physical and mental health scores comparable to those of the general adult population. Smaller groups experienced hardship but increasing living standards (11.8%) and hardship and declining living standards (6.8%). While both groups in hardship experienced poor health in the decade prior pension eligibility, mental health improved among those with increasing living standards, while physical and mental health declined among those with declining living standards. Conclusion Under the current policy settings, a majority of older adults in New Zealand maintain a good level of living standards and health in later life. However, significant proportions experience material hardship and poor health in the decade prior to pension eligibility. Alleviation of material hardship may reduce health inequalities in later life.
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    Dataset comprising indices of healthy ageing among older New Zealand adults from the 2016-2018 waves of the Health, Work and Retirement longitudinal survey
    (Elsevier BV, 2020-08) Allen J; Alpass F; Stephens C
    This article describes data utilised in article C. Stephens, J. Allen, N. Keating, A. Szabó, F. Alpass, Neighborhood environments and intrinsic capacity interact to affect health related quality of life of older people in New Zealand, Maturitas 139 (2020) 1-5. Data represent self-report responses to a longitudinal postal survey of health and ageing in Aotearoa New Zealand, conducted as part of the Health, Work and Retirement study. Respondents were derived from a large random sample of older adults drawn from a nationally representative sampling frame. Data were collected in 2016 (n = 4029 respondents) and with follow-up conducted in 2018 (n = 3207 respondents from 2016 wave; 79.6% response rate). The dataset comprises responses from all participants in the 2016 survey wave, including those that did not meet criteria for inclusion in the research article. Additional data on sensory impairments, depression, health behaviours, material resources, survey design and response weights are included to facilitate future research. The data article presents tables charting the longitudinal indicators related to the WHO definition of Healthy Ageing collected in the 2016 and 2018 omnibus surveys and made available in the dataset, as well as indicating those to be assessed in the 2020 survey wave. As work is ongoing to identify key domains and indices of Healthy Ageing, provision of these data with relevant materials, metadata and analyses scripts support current research findings, and enable use of these data in future research.