Determinants of food-poverty states and the demand for dietary diversity in...

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英文文献：Determinants of food-poverty states and the demand for dietary diversity in Nigeria-尼日利亚粮食贫困国家的决定因素和对饮食多样化的需求
英文文献作者：Ogundari, Kolawole
英文文献摘要：
The study employed multinomial logit and fractional regression models to investigate determinants of food-poverty FP states and the demand for dietary diversity, respectively using 2003/2004 Nigerian Living Standard Survey (NLSS) data. The FP states is derive by combining two food security indicators defined as food expenditure (FOOD_exp) and dietary diversity score (DDS), which yielded four possible scenarios viz. completely food secure, food insecure based on FOOD_exp only, food insecure based on DDS only, and completely food insecure households in the study. The determinants of the household FP states show that odds ratio of households being in state of food insecure relative to completely food secure increased significantly with household size, among households headed by farmers, households that own produced and purchase only food consumed, and households in the rural areas but decrease significantly as income level increases. Also, the determinants of household dietary diversity shows that household income, household size, household with members <40 years old, households headed by farmers and households in rural areas, increased significantly dietary diversity consumed in the study. In contrast, more educated household head and household that only home produced their food are likely to demand for less dietary diversity. The implication of these findings is that households in the different states of food-poverty problem are likely to be affected by different socio-economic characteristics, as demand for dietary diversity also differ across household socio-economic variables in Nigeria. Based on this, the study suggests that the present approach could be useful in targeting different types of food insecurity problem in the developing economies and Nigeria as a whole.

研究采用多项logit和分数回归模型，分别使用2003/2004年尼日利亚生活标准调查(NLSS)数据，调查食品贫困的计划生育国家和饮食多样性需求的决定因素。FP状态是通过结合定义为食品支出(FOOD_exp)和饮食多样性得分(DDS)的两个食品安全指标得出的，得出了四种可能的情况，即完全食品安全、仅基于FOOD_exp的食品不安全、仅基于DDS的食品不安全以及本研究中完全食品不安全的家庭。家庭FP状态的决定因素表明,比值比的家庭在食品不安全状态相对于完全食品安全与家庭规模显著增加,家庭中由农民、家庭只拥有生产和购买食品消费和家庭在农村随着收入水平的增加而明显减少。此外，家庭膳食多样性的决定因素还显示，家庭收入、家庭规模、成员小于40岁的家庭、户主为农民的家庭和农村家庭显著增加了研究中消费的膳食多样性。相比之下，受教育程度较高的户主和只在家生产食物的家庭，对饮食多样性的需求可能较低。这些发现的含义是，在不同的粮食贫困问题国家的家庭可能受到不同的社会经济特征的影响，因为在尼日利亚，不同的家庭社会经济变量对饮食多样性的需求也不同。基于此，研究表明，目前的方法可能有助于针对发展中经济体和整个尼日利亚的不同类型的粮食不安全问题。

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