Table 4: Estimated regression coefficients and their corresponding p-value (ZINB count model).

Explanatory variables

Parameter Estimate

P-value

Intercept

1.374462

2e-16

Age

0.006847

2.26e-05

Wealth Index

Poorest (ref)

 

 

Poorer

0.100488

0.017414

Middle

0.154440

0.000147

Richer

0.255305

5.20e-10

Richest

0.334807

7.10e-14

Type of place of residence

Urban (ref)

 

 

Rural

-0.019749

0.460765

Highest educational level

No education (ref)

 

 

Primary

0.017186

0.575848

Secondary

0.134973

4.25e-05               

Tertiary

0.241642

3.34e-06

Region

North central (ref)

 

 

North east

-0.255579

2.38e-11

North west

-0.056276

0.123849

South east

0.056332

0.179101

South south

0.156398

9.27e-05

South west

0.465846

< 2e-16