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Socio-economic position at four time points across the life course and all-cause mortality: updated results from the Uppsala Birth Cohort Multigenerational Study
Longitudinal and Life Course Studies ( IF 1.2 ) Pub Date : 2020-01-01 , DOI: 10.1332/175795919x15707903679599
Amy Heshmati 1 , Gita D Mishra 2 , Anna Goodman 3 , Ilona Koupil 1
Affiliation  

Socioeconomic position (SEP) is associated with all-cause mortality across all stages of the life course; however, it is valuable to distinguish at what time periods SEP has the most influence on mortality. Our aim was to investigate whether the effect of SEP on all-cause mortality accumulates over the life course or if some periods of the life course are more important. Our study population were from the Uppsala Birth Cohort Multigenerational Study, born 1915-1929 at Uppsala University Hospital, Sweden. We followed 3,951 men and 3,601 women who had SEP available at birth, during childhood (at age ten), in adulthood (ages 30-45) and in later life (ages (50-65) from 15 September 1980 until emigration, death, or until 31 December 2010. We compared a set of nested Cox proportional regression models, each corresponding to a specific life course model (critical, sensitive and accumulation models), to a fully saturated model, to ascertain which model best describes the relationship between SEP and mortality. Analyses were stratified by gender. For both men and women the effect of SEP across the life course on all-cause mortality is best described by the sensitive period model, whereby being advantaged in later life (ages 50-65 years) provides the largest protective effect. However, the linear accumulation model also provided a good fit of the data for women suggesting that as improvements in SEP at any stage of the life course corresponds to a decrease in all-cause mortality.

中文翻译:

整个生命过程中四个时间点的社会经济地位和全因死亡率:乌普萨拉出生队列多代研究的最新结果

社会经济地位(SEP)与生命过程各个阶段的全因死亡率相关;但是,区分SEP在哪个时间段对死亡率影响最大是很有价值的。我们的目的是调查在整个生命过程中SEP对全因死亡率的影响是否累积,或者生命过程中的某些时期是否更为重要。我们的研究人群来自乌普萨拉出生队列多代研究,该研究于1915-1929年出生于瑞典乌普萨拉大学医院。我们追踪了1980年9月15日出生,儿童期(十岁),成年期(30-45岁)和晚年(50-65岁)有SEP的3,951名男性和3,601名女性,直到移民,死亡,或直到2010年12月31日。我们比较了一组嵌套的Cox比例回归模型,每个模型都对应于特定的生命过程模型(临界模型,敏感模型和累积模型),完全饱和模型,以确定哪个模型最能描述SEP与死亡率之间的关系。分析按性别分层。对于男性和女性,敏感时期模型最好地描述了整个生命过程中SEP对全因死亡率的影响,从而在以后的生活中受益(50-65岁)提供了最大的保护作用。但是,线性累积模型也为妇女提供了很好的数据,表明随着在生活过程的任何阶段SEP的提高,全因死亡率都会降低。分析按性别分层。对于男性和女性,敏感时期模型最好地描述了整个生命过程中SEP对全因死亡率的影响,从而在以后的生活中受益(50-65岁)提供了最大的保护作用。但是,线性累积模型也为妇女提供了很好的数据,表明随着在生活过程的任何阶段SEP的提高,全因死亡率都会降低。分析按性别分层。对于男性和女性,敏感时期模型可以最好地描述整个生命过程中SEP对全因死亡率的影响,从而在以后的生活中受益(50-65岁)提供最大的保护作用。但是,线性累积模型也为妇女提供了很好的数据,表明随着在生活过程的任何阶段SEP的提高,全因死亡率都会降低。
更新日期:2020-01-01
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