Graduate;
School;
for;
International;
Development;
and;
Cooperation;
(IDEC),;
Hiroshima;
University,;
1-5-1;
Kagamiyama,;
Higashi-hiroshima;
Shi,;
Hiroshima,;
Japan;
739-8529;
Logistic回归分析; 粮食安全; 尼泊尔; 家庭; logistic回归模型; 二元; 社区组织; 经济活动;