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Table 6 Two degrees of freedom of chi-square test for explanatory variable ‘occupation’ (a: negative binomial and b: Poisson model)

From: Factors associated with the utilization of antenatal care and prevention of mother-to-child HIV transmission services in Ethiopia: applying a count regression model

. test 1. Occupation 2. Occupation

. test 1. Occupation 2. Occupation

(1)

[Visits] 1. Occupation = 0

(1)

[Visits] 1. Occupation = 0

(2)

[Visits] 2. Occupation = 0

(2)

[Visits] 2. Occupation = 0

 

chi2 (2) = 0.12

 

chi2 (2) = 0.14

 

Prob > chi2 = 0.9431

 

Prob > chi2 = 0.9314

 

(a: negative binomial)

 

(b: Poisson) model