Age-specific prevalence of health, subhealth and disease among 1473 Chinese adults. The 1473 Chinese Han adult participants were recruited from the urban area of Changsha City in the Central Region of China from September 2009 to August 2011, aged 20–91 and both genders. Data were presented as percentage (SE).
Li et al. BMC Public Health 2013 13:446 doi:10.1186/1471-2458-13-446