1. Estimated Coefficient
Table 5. Results of the logistic regression model analysis
Explanatory variables
Estimated Coefficient
Wald Statistics
Odds Ratio
(Exp(B))
Significance Level 1
Age of household head
0.065
3.149
1.068
0.076* 2
Sex of household head
0.568
0.228
1.759
0.633 3
Education level of HH head
1.764
2.276
0.171
0.097* 4
Family/HH Size (number)
-1.352
12.134
0.259
0.000*** 5
Dependency ratio
-0.036
0.003
0.964
0.954 6
Cultivated land in ha
2.457
5.497
11.665
0.019** 7
Fertilizer use
-0.064
0.005
0.938
0.946 8
Improved seed use
1.680
2.151
5.365
0.081* 9
Number of oxen
1.544
2.510
4.683
0.113 10
Livestock holding (TLU)
1.331
4.236
3.783
0.040** 11
DA contact
2.199
14.479
9.019 12
Absence of adequate rain
-3.570
5.130
0.028
0.024** 13
Absence of plant disease, insect and pest damage
2.204
3.125
9.066
0.077* 14
Credit received (in birr)
0.051
1.251
1.001
0.049** 15
Total farm income in birr
0.000
0.615
1.000
0.433 16
On-farm income per AE in birr
0.007
6.694
1.007
0.010** 17
Access to food aid
-1.021
0.681
0.360
0.409
Constant
-6.088
3.065
0.002
0.080
-2long likelihood
55.648a
Chi2
117.58
Correctly predicted a (count R2)
90.8
Specificity b
90.0
Sensitivity c
91.3
Source: Own Survey result, 2011.
*, **, and *** significant at 10%, 5% and 1 % probability levels, respectively
a Based on a probability classification scheme.
b Correctly predicted food secure groups based on probability classification scheme.
c Correctly predicted food insecure groups based on a probability classification.
Tewodros Tefera et al. Determinants of Households Food Security and Coping Strategies for Food Shortfall in Mareko District, Guraghe Zone Southern Ethiopia. Journal of Food Security, 2014, Vol. 2, No. 3, doi: /jfs-2-3-4
© The Author(s) Published by Science and Education Publishing.