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Table 2 Response rates of the participants in the WHZH cohort

From: The Wuhan-Zhuhai (WHZH) cohort study of environmental air particulate matter and the pathogenesis of cardiopulmonary diseases: study design, methods and baseline characteristics of the cohort

 

Cohort

Wuhan

Zhuhai

Invited

5622

3698

1924

Completed

4812

3053

1759

Response rate

85.6%

82.6%

91.4%

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BMC Public Health

ISSN: 1471-2458

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