Table 1

Unadjusted demographic characteristics of Chinese adults aged ≥ 18 years: the CHNS 1993–2009
1993 1997 2000 2004 2006 2009
(n = 7274) (n = 8368) (n = 9369) (n = 8948) (n = 8786) (n = 9278)
Women (%) 52.0 51.1 51.6 52.1 52.9 52.4
Age (y, Mean ± SD) 42.1 ± 15.6 43.5 ± 15.8 44.9 ± 15.5 48.0 ± 15.3 49.1 ± 15.1 50.6 ± 15.3

Du et al.

Du et al. BMC Public Health 2013 13:327   doi:10.1186/1471-2458-13-327

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