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首页> 外文期刊>The journals of gerontology.Series A. Biological sciences and medical sciences >Poverty and biological risk: the earlier 'aging' of the poor.
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Poverty and biological risk: the earlier 'aging' of the poor.

机译：贫困与生物风险：穷人较早的“衰老”。

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BACKGROUND: We examined age differences in levels of biological risk factors in the U.S. population by poverty status. It is not clear how socioeconomic status differentials in biological risk change with age because of mortality. METHODS: We used two nationally representative samples (National Health and Nutrition Examination Survey [NHANES] III, 1988-1994, and NHANES, 1999-2004) with data for more than 12,000 people aged 20 and older in each data set to examine biological risk for persons in families with incomes below and close to poverty level and those with higher income. We examined how mortality and life expectancy in the earlier sample are related to poverty status and biological risk. We examined life table survivorship to clarify how mortality differentially removes those who are poor and those with high biological risk from the population. RESULTS: Differences in biological risk by poverty status are larger before old age and become insignificant at older ages. Life expectancy at age 20 differs markedly by biological risk and poverty status. CONCLUSIONS: Population differentials in health at older ages result from a lifetime of differences. Socioeconomic differences in health in old age disappear because of health and mortality differentials at earlier ages. Poorer people "age" earlier and this affects the age pattern of social differentials.
机译：背景：我们按照贫困状况研究了美国人口中生物风险因素水平的年龄差异。目前尚不清楚由于死亡率，生物学风险的社会经济地位差异如何随年龄变化。方法：我们使用了两个具有国家代表性的样本（国家健康和营养检查调查[NHANES] III，1988-1994年，以及NHANES，1999-2004年），每个数据集中有超过12,000名20岁以上的人的数据用于检查生物风险适用于收入低于和接近贫困线的家庭以及收入较高的家庭。我们研究了早期样本中的死亡率和预期寿命与贫困状况和生物风险之间的关系。我们检查了生命表生存率，以阐明死亡率如何从人群中差异性地去除贫困者和高生物风险者。结果：贫困状况导致的生物风险差异在老年之前就更大，在老年时变得微不足道。 20岁时的预期寿命因生物风险和贫困状况而显着不同。结论：老年人健康状况的差异是由一生的差异造成的。由于较早年龄的健康和死亡率差异，老年健康的社会经济差异消失了。较贫穷的人“年龄”更早，这影响了社会差异的年龄模式。

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