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Table 2 Results of multivariable negative binomial regression model showing association between predictor variables level of government intervention, gender and region and the number of contacts reported per case

From: Numbers of close contacts of individuals infected with SARS-CoV-2 and their association with government intervention strategies

Variable

 

Estimate

SE

P-Value

Intercept

 

1.65

0.018

<0.001

Government intervention phase

Stay at home

-0.90

0.05

<0.001

Initial easing

-0.80

0.049

<0.001

Phase 1 reopening

-0.65

0.041

<0.001

Phase 2 reopening

-0.19

0.084

0.021

Phase 3 reopening

-0.06

0.044

0.143

Kildare, Laois, Offaly Restrictions

Reference

  

Dublin level 3

-0.09

0.030

0.003

Donegal/Dublin level 3

-0.32

0.024

<0.001

National level 3

-0.41

0.021

<0.001

Border counties level 4

-0.67

0.024

<0.001

National level 5

-0.61

0.019

<0.001

Gender

Female

Reference

  

Male

-0.05

0.011

<0.001

Not reported

-0.23

0.256

0.377

Region

Dublin

Reference

  

Rest of Country

0.07

0.013

<0.001

Age of casea

0-17

-0.33

0.019

<0.001

18-24

Reference

  

25-39

-0.19

0.017

<0.001

40-64

-0.26

0.016

<0.001

≥65

-0.57

0.024

<0.001

  1. aCoefficients from a separate ‘alternative’ model where age is modelled as a categorical variable