China Health and Retirement Longitudinal Study Pilot Resurvey 2012
General Info
The China Health and Retirement Longitudinal Study (CHARLS) collects comprehensive data on the elderly, their spouses, and their households. The study utilizes a multistage, stratified, random sampling method, and it uses household and individual questionnaires. With consent from participants, surveyors collected physical measurements of height, weight, waist circumference, leg and arm length, grip strength and lung capacity. Blood pressure measurements and blood tests were also collected. This pilot resurvey (also called the Wave 2 pilot) was conducted in the summer of 2012 and re-interviewed the particpants from the 2008 pilot survey. The 2012 sample included 2,385 participants at least 45 years old from the provinces of Zhejiang and Gansu.