Neonatal Mortality and Temperature in Two Northern Swedish Rural Parishes, 1860–1899—The Significance of Ethnicity and Gender

Karlsson, Lena; Lundevaller, Erling Häggström; Schumann, Barbara

doi:10.3390/ijerph17041216

Cited by 6 publications

(13 citation statements)

References 40 publications

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“…According to previous findings regarding the effect of temperature on neonatal health in sub-Arctic areas (Karlsson et al, 2020;Schumann et al, 2019), we expected a strong impact of low temperatures, especially among more resource-poor groups (farmers and workers) that would diminish over time. A declining effect was not clearly discernible in any social group due to the low vulnerability observed in the first decades of the twentieth century.…”

Section: Discussionmentioning

confidence: 81%

“…From previous research regarding infant and neonatal mortality in historical populations, we know that season of birth affects the risk of mortality (Breschi & Livi-Bacci, 1997;Hare et al, 1981;Karlsson et al, 2019b;McEniry, 2011). In general, winter-born infants have higher neonatal mortality risk compared to summer-born infants (Dalla-Zuanna & Rosina, 2011;Healy, 2003;Karlsson et al, 2020), but an opposite pattern has also been found (Breschi & Livi-Bacci, 1997). For example, in Poland and Russia during the nineteenth century, the highest neonatal mortality was seen among summer-born infants, a pattern that might be associated with a higher workload among mothers during harvest seasons (Breschi & Livi-Bacci, 1997).…”

Section: Seasonality Temperature and Neonatal Mortalitymentioning

confidence: 95%

“…The association between ambient temperature and early infant mortality has been seen in both contemporary and historical populations with risk increasing both due to heat and to cold (Basu & Ostro, 2008;Karlsson et al, 2020;Scalone & Samoggia,…”

Section: Introductionmentioning

confidence: 99%

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Socioeconomic disparities in climate vulnerability: neonatal mortality in northern Sweden, 1880–1950

et al. 2021

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The aim of this study was to analyse the association between season of birth, temperature and neonatal mortality according to socioeconomic status in northern Sweden from 1880 to 1950. The source material for this study comprised digitised parish records combined with local weather data. The association between temperature, seasonality, socioeconomic status and neonatal mortality was modelled using survival analysis. We can summarise our findings according to three time periods. During the first period (1880–1899), temperature and seasonality had the greatest association with high neonatal mortality, and the socioeconomic differences in vulnerability were small. The second period (1900–1929) was associated with a decline in seasonal and temperature-related vulnerabilities among all socioeconomic groups. For the last period (1930–1950), a new regime evolved with rapidly declining neonatal mortality rates involving class-specific temperature vulnerabilities, and there was a particular effect of high temperature among workers. We conclude that the effect of season of birth on neonatal mortality was declining for all socioeconomic groups (1880–1950), whereas weather vulnerability was pronounced either when the socioeconomic disparities in neonatal mortality were large (1880–1899) or during transformations from high to low neonatal rates in the course of industrialisation and urbanisation.

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Section: Discussionmentioning

confidence: 81%

Section: Seasonality Temperature and Neonatal Mortalitymentioning

confidence: 95%

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Socioeconomic disparities in climate vulnerability: neonatal mortality in northern Sweden, 1880–1950

et al. 2021

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“…The studies cover a limited range of geographical locations and climate zones, with most studies from North America and Asia; only five studies were from low- and middle-income countries (LMICs) [ 19 , 28 , 29 , 30 , 31 ]. Most studies are conducted in urban populations, with five from rural areas, one of which was a combined urban-rural study [ 28 , 31 , 32 , 33 , 34 ]. Nine studies assessed the impact of temperature on all-cause infant mortality and five further studies assessed sudden infant death syndrome (SIDS) ( Table 2 ).…”

Section: Resultsmentioning

confidence: 99%

The Effect of High and Low Ambient Temperature on Infant Health: A Systematic Review

Lakhoo

Blake

Chersich

et al. 2022

IJERPH

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Children, and particularly infants, have physiological, anatomic, and social factors that increase vulnerability to temperature extremes. We performed a systematic review to explore the association between acute adverse infant outcomes (children 0–1 years) and exposure to high and low ambient temperatures. MEDLINE (Pubmed), Embase, CINAHL Plus, and Global Health were searched alongside the reference lists of key papers. We included published journal papers in English that assessed adverse infant outcomes related to short-term weather-related temperature exposure. Twenty-six studies met our inclusion criteria. Outcomes assessed included: infant mortality (n = 9), sudden infant death syndrome (n = 5), hospital visits or admissions (n = 5), infectious disease outcomes (n = 5), and neonatal conditions such as jaundice (n = 2). Higher temperatures were associated with increased risk of acute infant mortality, hospital admissions, and hand, foot, and mouth disease. Several studies identified low temperature impacts on infant mortality and episodes of respiratory disease. Findings on temperature risks for sudden infant death syndrome were inconsistent. Only five studies were conducted in low- or middle-income countries, and evidence on subpopulations and temperature-sensitive infectious diseases was limited. Public health measures are required to reduce the impacts of heat and cold on infant health.

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“…The studies of health and mortality among the Sámi relate to a topic that is becoming increasingly important: that of climate and health. Barbara Schumann and others have studied the role of climatic factors for morbidity and mortality in Sweden since the 18th century, using DDB data, looking for factors modifying the impact of climate on health (Karlsson, Häggström Lundevaller, & Schumann, 2020;Oudin Åström, Edvinsson, Hondula, Rocklöv, & Schumann, 2016;Oudin Åström, Forsberg, Edvinsson, & Rocklöv, 2013;Rocklöv, Edvinsson, Arnqvist, Sjöstedt de Luna, & Schumann, 2014;.…”

Section: Disease and Health Risksmentioning

confidence: 99%

A Database for the Future

Edvinsson¹,

Engberg²

2020

hlcs

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The Demographic Data Base (DDB) at the Centre for Demographic and Ageing Research (CEDAR) at Umeå University has since the 1970s been building longitudinal population databases and disseminating data for research. The databases were built to serve as national research infrastructures, useful for addressing an indefinite number of research questions within a broad range of scientific fields, and open to all academic researchers who wanted to use the data. A countless number of customised datasets have been prepared and distributed to researchers in Sweden and abroad and to date, the research has resulted in more than a thousand published scientific reports, books, and articles within a broad range of academic fields. While there has long been a clear predominance of research within the humanities and social sciences, it has always been used for research in other fields as well, for example medicine. In this article, we first give a brief presentation of the DDB and its history, characteristics, and development from the 1970s to the present. It includes an overview of the research based on the DDB databases, with a focus on the databases POPUM and POPLINK with individual-level data. A number of major traits of the research from 1973 to now have been outlined, showing the breadth of the research and highlighting some major contributions, with a focus on work that would have been very difficult to perform without data from the DDB.

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Neonatal Mortality and Temperature in Two Northern Swedish Rural Parishes, 1860–1899—The Significance of Ethnicity and Gender

Cited by 6 publications

References 40 publications

Socioeconomic disparities in climate vulnerability: neonatal mortality in northern Sweden, 1880–1950

Socioeconomic disparities in climate vulnerability: neonatal mortality in northern Sweden, 1880–1950

The Effect of High and Low Ambient Temperature on Infant Health: A Systematic Review

A Database for the Future

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