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Table 3 Parameter estimates in the Zero-inflated negative binomial regression model for childhood mortality among male partners

From: Prevalence and determinants of childhood mortality in Nigeria

Variable

IRR

Std.err

95% CI

P

Age (years)

1.086

0.004

1.078–1.093

<0.001***

Region

 North Central (ref)

1

   

 North East

1.125

0.092

0.958–1.322

0.152

 North West

1.358

0.112

1.156–1.597

<0.001***

 South East

0.870

0.128

0.651–1.160

0.342

 South South

1.240

0.140

0.993–1.548

0.057

 South West

0.751

0.096

0.585–0.964

0.024***

Residence

 Urban (ref)

1

   

 Rural

1.335

0.087

1.174–1.518

<0.001***

Education

 No Education (ref)

1

   

 Primary

1.074

0.051

0.979–1.179

0.131

 Secondary

0.962

0.058

0.855–1.083

0.520

 Tertiary

0.879

0.073

0.747–1.034

0.119

Wealth Index

 Poorest (ref)

1

   

 Poorer

1.016

0.048

0.926–1.114

0.738

 Middle

0.967

0.062

0.853–1.096

0.601

 Richer

0.798

0.073

0.667–0.954

0.013***

 Richest

0.713

0.090

0.558–0.913

0.007***

Age at 1st birth (years)

0.973

0.003

0.968–0.979

<0.001***

Religion

 Christianity (ref)

1

   

 Islam

1.059

0.115

0.856–1.311

0.596

 Traditionalist

1.531

0.169

1.232–1.901

<0.001***

Employment

 No (ref)

1

   

 Yes

0.997

0.072

0.865–1.150

0.972

  1. ***Significant at p < 0.05; IRR = Incidence-rate ratios. Vuog test of ZINB vs standardized negative binomial z = 7.17; p < 0.001. McFadden Pseudo R2 = 0.309