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| Investigation on the State of Health (1993-1997)in Ambient Residents of Daya Bay Nuclear Power Plant in the Early Days |
| YANG Yu-hua, LIANG Mian-ying, ZOU Jian-ming, et al |
| Guangdong Prevention and Treatment Center for Occupational Diseases, Guangzhou 510300, China |
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Abstract Objective To survey the data for the state of health in the ambient residents of Daya Bay Nuclear Power Plant, and provide the background data to evaluate the state of health affected by fallout of nuclear power plant.Methods The datas were collected by a radiation epidemiology.The investigation was carried out in the area within 20 km of radius from Daya Bay Nuclear Power Plant, and the subjects who had lived there for three years or longer before January 1, 1993 and covered by the Household Registry were recruited to a cohort.Results The mortality rate of overall cancer (per 100 000 PYr) was 88.57 (the standard mortality rate was 79.77), the mortality rate of leukemia (per 100 000 PYr) was 3.24 (the standard mortality rate was 2.94), the palpation rate of the goiter in 7~14 years old was 8.34% (9.69% in B ultrasonic), the morbidity rate of newborn's defect (per 100 00 P) was 82.33.The mortality of all cancers or leukemia was similar to the result from other areas of Guangdong province or nation wide of China.The rate of the goiter in 7~14 years old was lower than the standard of the nation.The morbidity rate of newborn baby'defe ct was lower than that of the 30 provinces in China or the other areas of Shenzhen.Conclusion No unfavourable influences on the local residents in the early days of the power plant.
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Received: 22 November 2004
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