Trajectories of childhood adversity and mortality in early adulthood: a population-based cohort study

丹麦语 医学 人口学 队列 危险系数 生命历程法 队列研究 人口 儿科 幼儿 比例危险模型 置信区间 心理学 环境卫生 发展心理学 社会学 病理 外科 哲学 内科学 语言学
作者
Naja Hulvej Rod,Jessica Bengtsson,Esben Budtz‐Jørgensen,Clara Clipet-Jensen,David Taylor‐Robinson,Anne‐Marie Nybo Andersen,Nadya Dich,Andreas Rieckmann
出处
期刊:The Lancet [Elsevier BV]
卷期号:396 (10249): 489-497 被引量:159
标识
DOI:10.1016/s0140-6736(20)30621-8
摘要

Childhood is a sensitive period with rapid brain development and physiological growth, and adverse events in childhood might interfere with these processes and have long-lasting effects on health. In this study, we aimed to describe trajectories of adverse childhood experiences and relate these to overall and cause-specific mortality in early adult life.For this population-based cohort study, we used unselected annually updated data from Danish nationwide registers covering more than 1 million children born between 1980 and 1998. We distinguished between three different dimensions of childhood adversities: poverty and material deprivation, loss or threat of loss within the family, and aspects of family dynamics such as maternal separation. We used a group-based multi-trajectory clustering model to define the different trajectories of children aged between 0 and 16 years. We assessed the associations between these trajectories and mortality rates between 16 and 34 years of age using a Cox proportional hazards model and an Aalen hazards difference model.Between Jan 1, 1980 and Dec 31, 2015, 2 223 927 children were included in the Danish Life Course cohort. We excluded 1 064 864 children born after 1998, 50 274 children who emigrated before their 16th birthday, and 11 161 children who died before their 16th birthday, resulting in a final sample of 1 097 628 children. We identified five distinct trajectories of childhood adversities. Compared with children with a low adversity trajectory, those who had early-life material deprivation (hazard ratio 1·38, 95% CI 1·27-1·51), persistent deprivation (1·77, 1·62-1·93), or loss or threat of loss (1·80, 1·61-2·00) had a moderately higher risk of premature mortality. A small proportion of children (36 081 [3%]) had multiple adversities within all dimensions and throughout the entire childhood. This group had a 4·54 times higher all-cause mortality risk (95% CI 4·07-5·06) than that of children with a low adversity trajectory, corresponding to 10·30 (95% CI 9·03-11·60) additional deaths per 10 000 person-years. Accidents, suicides, and cancer were the most common causes of death in this high adversity population.Almost half of Danish children in our study experienced some degree of adversity, and this was associated with a moderately higher risk of mortality in adulthood. Among these, a small group of children had multiple adversities across social, health, and family-related dimensions. This group had a markedly higher mortality risk in early adulthood than that of other children, which requires public health attention.None.
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