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Background Beginning in 1978, China implemented economic reforms to transform the economy to a free-market system. We compared the effect of the reforms on the growth of children in urban and rural areas.
Methods Using data from five large cross-sectional surveys conducted between 1975 and 1992, we examined the trends in height for age of children two to five years of age in urban and rural areas. Mean height for age was expressed as the height in centimeters adjusted to a reference value of 99.1 cm for a 42-month-old boy.
Results Height increased before and during the economic reforms. In 1975, the average height of children in periurban rural areas was about 3.5 cm less than that of children in urban areas. Between 1975 and 1985, the average height of children in periurban rural areas increased by 2.0 cm, as compared with 1.3 cm in urban children. Between 1987 and 1992, the average height of both urban and rural children increased, but the net increase for rural children was only one fifth that for urban children (0.5 vs. 2.5 cm). In a 1990 survey of seven provinces, the rural mean height was 92.5 cm, as compared with the urban mean of 96.9 cm and the reference value of 99.1 cm; 38 percent of rural children had moderate stunting of growth and 15 percent had severe stunting, as compared with 10 percent and 3 percent of urban children, respectively. Differences in height between rural and urban children were greater in provinces in which the average height of children was lower.
Conclusions Despite an overall improvement in child growth during the economic reforms in China, the improvement has not been equitable, as judged by increased differences in height between rural and urban children and increased disparities within rural areas.
Source Information
From the Institute of Nutrition and Food Hygiene, Chinese Academy of Preventive Medicine, Beijing, China (T.S., Y.C.); and the Division of Nutritional Sciences, Cornell University, Ithaca, N.Y. (J.-P.H.).
Address reprint requests to Dr. Habicht at Savage Hall, Cornell University, Ithaca, NY 14850.
Related Letters:
Economic Reforms and Child Health in China
Cheng T. O., Chun-ming C., Parker R. L., Peven D. R., Shen T., Habicht J.-P., Chang Y., Hsiao W. C.L., Liu Y.
Extract |
Full Text
N Engl J Med 1997;
336:228-229, Jan 16, 1997.
Correspondence
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