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Table 3 Negative binomial regression testing the relationship between Islamist insurgency in 2012 and polio cases in 2012–14 (3-year mean)

From: Islamist insurgency and the war against polio: a cross-national analysis of the political determinants of polio

 

8

9

10

11

12

13

14

Islamist insurgency

110.078*** (96.727)

 

126.742*** (112.982)

 

29.695*** (18.510)

 

27.889*** (17.521)

Insurgency

 

48.686*** (41.103)

   

12.503*** (7.829)

 

Non-Islamist insurgency

 

2.766 (2.966)

   

.659 (.754)

GDP per capita (000)

   

.394* (.162)

.588* (.119)

523*** (095)

.582* (.112)

Total population (log)

   

3.329*** (1.014)

2.528** (.727)

2.572** (795)

2.589*** (.693)

Infant Mortality Rate

   

1.045 (.027)

1.026 (.014)

1.032 (.018)

1.026§ (.025)

Rural population %

   

.920* (.032)

.967 (.024)

.935* (.025)

.969 (.025)

Previous polio

2.525*** (.614)

2.573*** (.557)

2.580*** (.659)

1.343 (.293)

1.445 (.281)

1.486* (.269)

1.417 (.282)

Observations

192

192

192

183

183

183

183

  1. We report incidence rate ratios. Standard errors are in parentheses. Constants are calculated but not reported
  2. * p < .05 (5 %), ** p < .01 (1 %), *** p < .001 (0.1 %), §p = .05 (5 %)