Skip to main content

Table 3 Sensitivity analysis results

From: Bayesian belief network modelling of household food security in rural South Africa

 

a: Expert elicitation

b: Data-learned

c: Data + expert prior

Variable

I

I/H

S2

I

I/H

S2

I

I/H

S2

CGS

0.0099

0.0115

0.0030

0.0000

0.0000

0.0000

0.0002

0.0004

0.0000

EdL

0.0078

0.0091

0.0023

0.0000

0.0000

0.0000

0.0001

0.0001

0.0000

EmL

0.0177

0.0205

0.0052

0.0001

0.0002

0.0000

0.0082

0.0165

0.0013

HHG

0.0000

0.0000

0.0000

0.0002

0.0004

0.0000

0.0000

0.0001

0.0000

LLV

0.0264

0.0307

0.0079

0.0000

0.0000

0.0000

0.0028

0.0056

0.0005

ND

0.0021

0.0025

0.0006

0.0001

0.0001

0.0000

0.0008

0.0016

0.0001

NWAA

0.0007

0.0008

0.0002

0.0007

0.0014

0.0001

0.0005

0.0011

0.0001

RCA

0.0083

0.0097

0.0025

0.0000

0.0001

0.0000

0.0066

0.0133

0.0010

RS

0.0000

0.0000

0.0000

0.0007

0.0016

0.0001

0.0003

0.0005

0.0000

SCL

0.0108

0.0126

0.0034

0.0000

0.0000

0.0000

0.0000

0.0000

0.0000

SES

0.0067

0.0078

0.0020

0.0112

0.0244

0.0014

0.0114

0.0228

0.0017

UCL

0.0039

0.0046

0.0011

0.0011

0.0025

0.0001

0.0008

0.0017

0.0001

UWF

0.0334

0.0388

0.0101

0.0043

0.0093

0.0007

0.0066

0.0133

0.0012

WA

0.0049

0.0056

0.0014

0.0000

0.0000

0.0000

0.0001

0.0003

0.0000

  1. Mutual information reduction I (also divided by food security information H) and expected change of belief S2 for food security given each of the other variables for the three different networks
  2. CGS child grant status, EdL education level, EmL employment level, FS food security, HHG household head gender, LLV level of local vegetation, ND number of dependents, NWAA number of working age adults, RCA receipt of communal aid, RS refugee status, SCL selling of crops and livestock, SES socio-economic status, UCL use of crops and livestock, UWF use of wild foods, WA water access