Characteristics of the sample population.
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Types I, II and III villages have 250 houses respectively. The percentages in each case were calculated relative to the total population in each type of village. For the snakebite prevalence the percentages indicate the % of the male, female and total population in each village type who suffered snakebites and who died due to snakebite. This data was obtained from the 30 sampling villages.
创建时间：
2015-12-02
