Determination of disability and its influence on healthy life expectancy of Chinese elderly population
(2.School of Nursing, Weifang Medical University, Weifang, Shandong, China 261053)
(3.College of Population, Resources and Environment, Shandong Normal University, Jinan, Shandong, China 250000)
【Abstract】The disability level of the elderly population has an important influence on the estimation of healthy life expectancy. There are great differences in the disability level of the elderly population from different data sources. This paper is based on the life table calculated from the 1% population sample data adjusted by the model life table, based on data sources of 2010 census, the 1% sample survey in 2015, 2015 CHARLS and 2014 CLHLS. We study the influence of age-specific disability rate on healthy life expectancy and the reason of different disability situations. The results show that the disability rate of the elderly significantly affects healthy life expectancy and gender and age patterns. No matter whether it is the subjective or objective evaluation index of disability, the disability rates of elderly people from different data sources are quite different. The reasons for the bias of disability rate in CHARLS data may be caused by systematic errors in the course of investigation. The questionnaire interview design in the non-sample scale of CLHLS and CHARLS may also be an important factor to determine the degree of disability. Therefore, on the theoretical and practical level, it is an important problem to be solved urgently to explore the difference of disability level and its causes of the elderly population, especially for the oldest old, and to reach a consensus further.
【Keywords】 disability rate; healthy life expectancy; model life table; self-care ability;
 Elderly Chinese (中国老年), (21): 60–60 (2016).
 Gu, D. Chinese Journal of Population Science (中国人口科学), (3): 81–86 (2005).
 Hu, G. & Xie, X. Chinese Journal of Social Medicine (中国社会医学杂志), 29(3): 149–151 (2012).
 Zhang, W. & Wei, M. Population Research (人口研究), 39(3): 34–47 (2015).
 Momtaz YA, Hamid TA, Ibrahim R. Unmet Needs among Disabled Elderly Malaysians. Soc Sci Med, 2012, 75(5):859–863.
 Martelli CM, Nascimento NE, Suaya JA, et al. Quality of Life among Adults with Confirmed Dengue in Brazil. American Journal of Tropical Medicine & Hygiene, 2011, 85(4): 732–738.
 Pei, X. Long-Term Care for the Aged: An Introduction (老年长期照护导论). Beijing: Social Sciences Academic Press, (2010).
 Cui, Y., Li, X. et al. Journal of Nursing Science (护理学杂志), 32(11): 70–73 (2017).
 Yin, D. 老年人日常生活自理能力的多层次研究. Beijing: China Renmin University Press, (2008).
 Salomon J A, Wang H, Freeman M K, et al. Healthy Life Expectancy for 187 Countries, 1990–2010: A Systematic Analysis for the Global Burden Disease Study 2010. Lancet, 2012, 380(9859): 2144–2162.
 Austad S N. Why Women Live Longer than Men: Sex Differences in Longevity. Gender Medicine, 2006, 3(4): 341–342.
 Wang, D., Zhu, J. & Chen, Z. Northwest Population Journal (西北人口), (4): 13–17 (2014).
 Yang, F., Hao, X., Bo, T. et al. Health Economics Research (卫生经济研究), (11): 7–10 (2016).
 Zhai, Z., Chen, J. & Li, L. Population Research (人口研究), 41(4): 60–71 (2017).