Table 7: The odds ratio and p-value of the reduced ZINB Zero-Inflation model.

Explanatory variables    

Odds Ratio(OR) 

P-value

Intercept

2.02627

0.00797

Age

0.98693

0.03290

Wealth Index

Poorest

1

 

Poorer

0.71699

0.00756

Middle

0.34166

5.34e-16

Richer

0.18421

< 2e-16

Richest

0.03698

7.25e-15

Highest educational level

No education       

1

 

Primary

0.28170

< 2e-16

Secondary

0.17229

< 2e-16

Tertiary

0.05533

0.00468

Region

North central

1

 

North east

1.38886

0.01975

North west

3.01722

1.08e-15

South east

0.04018

9.31e-05

South south

1.40624

0.09149

South west

0.15486

4.84e-08