The dataset used in this analysis includes information from the 4,240 dyadic pairs of adult children and their elderly parents, interviewed in the CLHLS 2002 wave.
These findings are fully consistent with those of a recent study (based on the CLHLS data) which reported that, as compared to having son(s), having daughter(s) is significantly more beneficial at older ages in China in terms of maintaining higher cognitive capacity and reducing mortality risk, and daughter-advantages are stronger among the oldest-old than the young-old and in rural areas than in urban areas (Zeng et al.
Based on the 2008-2009 CLHLS data, rural elderly receive 91 percent (p<0.
To ensure accurate age reporting among the sampled oldest-old interviewees, the CLHLS selected 22 provinces where Han Chinese are the majority and the other 9 provinces were excluded because minority ethnic groups whose age reporting is not accurate are the majority of the population.
Dupre (2008), "Assessment of Reliability of Mortality and Morbidity in the 1998-2002 CLHLS Waves," in Y.
Gu (2008), "Reliability of Age Reporting among the Chinese Oldest-old in the CLHLS Datasets," in Y.