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Table 8 Estimated Poisson and ZIP Models of Household Food Security in Nigeria

From: Women empowerment, Land Tenure and Property Rights, and household food security among smallholders in Nigeria

Explanatory variables

USDA household food security

HDDS

Poisson 1

IV Poisson

Poisson 2

ZIP Count*

ZIP Inflate

Poisson

Coef

z

Coef

z

Coef

z

Coef

z

Coef

z

Coef

z

Maize

− 0.076

− 1.45

− 0.239

− 0.92

− 0.074

− 1.42

− 0.003

− 0.05

0.515

1.27

− 0.012

− 0.22

Farm size (Ha)

0.004**

2.48

0.011***

2.25

0.004**

2.49

0.004**

2.57

0.006

0.43

0.000

0.17

Lowland share of farmland

− 0.095**

− 2.41

− 0.207

− 1.33

− 0.095**

− 2.39

− 0.019

− 0.47

0.516

1.58

− 0.057

− 1.45

Simpson Index (land fragmentation)

0.048

0.76

0.036

0.15

0.049

0.77

− 0.050

− 0.78

− 0.599

− 1.20

0.047

0.76

Simpson Diversity Index (crop diversity)

− 0.243**

− 2.36

− 0.380

− 0.87

− 0.246**

− 2.38

− 0.180*

− 1.73

0.515

0.66

0.113

1.13

Maize × farm size

− 0.014***

− 4.19

− 0.035

− 1.31

− 0.014***

− 4.23

− 0.012***

− 3.56

0.003

0.13

0.001

0.17

Maize × lowland

0.042

0.60

0.308

0.71

0.043

0.61

− 0.017

− 0.24

− 0.515

− 1.00

0.052

0.77

Maize × SI

0.101

1.00

0.407

0.56

0.096

0.96

0.127

1.27

0.362

0.50

− 0.017

− 0.18

Maize × SDI

0.275*

1.69

0.553

0.63

0.268

1.65

0.213

1.31

− 0.379

− 0.33

− 0.154

− 0.97

Share of farmland on purchase

− 0.228***

− 5.50

− 0.185

− 0.71

− 0.232***

− 5.61

− 0.074*

− 1.77

0.831***

3.18

− 0.068*

− 1.74

Leasehold share of farmland

− 0.013

− 0.33

0.039

0.25

− 0.013

− 0.32

− 0.039

− 0.98

− 0.148

− 0.47

0.047

1.27

Communal share of farmland

− 0.037

− 0.77

0.150

0.51

− 0.039

− 0.82

− 0.036

− 0.75

0.103

0.29

0.016

0.35

Registered × freehold share

− 0.012

− 0.23

− 0.018

− 0.06

− 0.012

− 0.22

− 0.030

− 0.55

− 0.130

− 0.31

0.056

1.10

Credit amount

− 4.4E− 08

− 1.28

− 0.002

− 0.02

− 

− 

− 

− 

− 

− 

1.7E− 08

0.86

Female achievement in asset

− 0.004

− 0.12

0.012

0.10

− 0.002

− 0.07

− 0.006

− 0.21

0.021

0.09

0.052*

1.84

Female achiev. group membership

− 0.103***

− 3.24

0.082

0.56

− 0.105***

− 3.29

− 0.081**

− 2.56

0.161

0.67

0.058*

1.89

Female achiev. productive decisions

0.048

1.59

0.038

0.19

0.05

1.64

0.052*

1.70

− 0.032

− 0.14

0.003

0.12

Female achiev. over control of income

− 0.075**

− 2.45

− 0.015

− 0.11

− 0.075**

− 2.44

− 0.116***

− 3.74

− 0.233

− 0.99

0.031

1.06

Female achievement in credit

0.071**

2.04

1.658***

4.35

0.068*

1.96

0.075**

2.18

0.093

0.37

0.019

0.56

Female achievement in workload

− 0.058*

− 1.83

0.126

0.58

− 0.059*

− 1.88

− 0.058*

− 1.84

0.002

0.01

0.054*

1.69

Parity (Parity = 1)

0.115***

3.16

− 0.583***

− 3.34

0.118***

3.25

0.181***

4.93

0.389

1.42

− 0.064*

− 1.81

  1. +Instrumented: Credit Amount; Instruments: FreeholdRightReg Offfarmincome Maize Farmsize_Ha LowLand SI SDI MaizeFarmSize MaizeLowLand MaizeSI
  2. Poisson 1: Poisson with credit; MaizeSDI Purchased Leased_rented Communal FemAchmtAsset FemAchmtGrpMem FemAchmtProDec
  3. Poisson 2: Poisson without credit; FemAchmtIncCon FemAchmtCredit FemAchmtWork Parity_dummy Extensioncontact Age AgeSq SchlgYr
  4. ZIP Count*: ZIP Count without credit. Gender Never_married Ever_married HHSize DepRatio NC NE SE SS SW Native PHCN CoopSociety
  5. ***, **, * represent statistical significance at 1%, 5% & 10%