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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: Environ Res. 2012 Sep 29;120:71–75. doi: 10.1016/j.envres.2012.09.003

Table 1.

Demographic description in 1980 of Yucheng subjects and neighborhood referents.

Types Status of January 1, 1980
Yucheng subjects (N=1,803) Neighborhood referents (N=5,170)
Age
 0–19 792 (44%) 2,173 (42%)
 20–39 603 (33%) 1,828 (35%)
 40–59 343 (19%) 980 (19%)
 60+ 65 (4%) 189 (4%)
Gender
 Male 830 (46%) 2,369 (46%)
 Female 973 (54%) 2,801 (54%)
Person-year 48,751 141,774
Deceased 295 757

N: Number