| The compound household type subdivision scheme is a difficult and fundamental problem in household research of sociology. Household size is usually used to classify household type in demography, while the internal household structure is used to classify household type in sociology. Being lack of population big data, none has yet put forward a classification model based on population big data all around the world, and there isn’t any corresponding case study based on population big data. The compound household is one of the important forms of family structure. The classification of the composite family still needs to be refined.The compound household is a kind of household which contains more than two couples in any generation. The main factors that influence the subdivision of the compound household are the household generations, the marriage couples of the first generation, whether there exist septal-generation households, marriage couples state (whether or not incomplete or outflow). Based on the above factors, a complete subdivision scheme of compound household is put forward. Compound household is classified into 40 IV class types. According to the definition of 4 kinds of influencing factors, the definition of the type of compound family type is got, and the constraint conditions of the compound household is got. Through the legend of different types of family members and annotations,40 kinds of IV type compound household structure is combined. The compound household type identification model can be built using 3 household parameters and 6 generation parameters. Taking time data in May 30,2014 from the full population database of Hebei Province which is removed wrong data, as an example, the household type identification and statistical research are carried out. The research shows that, the proportion of compound household in the whole household types is 2.44%, it is higher than the result of the 4th and 5th national population census. The household size of compound household is 7.38 persons per household in Hebei Province, which is lower than before. A high proportion of compound household is found in Hufu Plain. The proportion of compound household with three generations is the main part of compound household in Hebei, whose proportion in compound household in Hebei is 60.88%, and it shows the similar distribution feature with compound household in Hebei. The proportion of the I type compound household is 63.31%. The proportion of the incomplete compound household is 45.73%. The proportion of left-behind compound household in compound household is lower than that of left-behind lineal household in lineal househole, but higher than that of left-behind nuclear household in nuclear household. The proportion of not-septal-generation compound household is 97.63%, the proportion of septal-generation compound household is very low. Whether it is necessary to classify compound household into septal-generation and not-septal-generation compound household is worthy of further discussion. The left-behind compound households in Hebei Province mainly distribute in Shijiazhuang, Xingtai and Handan etc. The proportion of incomplete compound household in Dingzhou is higher than other districts in Hebei Province.The research shows that the method of using computer to construct the model of compound family classification and recognition is based on the data of the full population database and its relation model. It can be used to study the compound and classification of the compound family in a specific area, which lays the foundation of the model for the study of the distribution law of the composite family and the characteristics of the compound family. It can provide reference for the study of household consumption, constitute special family welfare policy, and also provide a classification basis for economic, demographic and other census work. |
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