Feasibility of a prospective study of smoking and mortality in Qidong, China.
Qidong is a rural county in eastern China with particularly good facilities for epidemiological research: cigarette use by adult males is widespread (70% now smoke), male lung cancer rates already appear to be rising, the population is stable and well served by a county-wide network of health care facilities, and systematic county-wide registration of all deaths has existed since the mid-1970s, causes currently being assigned according to the 9th International Classification of Diseases.
Chen
J G
JG
Qidong Liver Cancer Institute, Jiangsu, China.
Peto
R
R
Sun
Z T
ZT
Zhu
Y R
YR
D000293:Adolescent; D000328:Adult; D000368:Aged; D002423:Cause of Death; D002648:Child; D002675:Child, Preschool; D002681:China / Q000453:epidemiology; D005260:Female; D006801:Humans; D007223:Infant; D008175:Lung Neoplasms / Q000401:mortality; D008297:Male; D008875:Middle Aged; D009026:Mortality; D015995:Prevalence; D011446:Prospective Studies; D012907:Smoking / Q000009:adverse effects* / Q000453:epidemiology; D013997:Time Factors