BMC Health Services Research

Table 1 Sample sizes of NHSS, 1998 and 2003 (for urban areas)

From: Urban health insurance reform and coverage in China using data from National Health Services Surveys in 1998 and 2003

Year	Cities	Households	Population
1998	28	16584	52287
2003	28	16811	49698

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ISSN: 1472-6963

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