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Table 2 Infectious episode rates by subject attributes

From: A method for reporting and classifying acute infectious diseases in a prospective study of young children: TEDDY

Factor

A. Any infectious episode rate ratios (RR)

B. Febrile infectious episode rate ratios (RR)

C. Non-febrile infectious episode rate ratios (RR)

 

RR

95%CI

p-value

RR

95%CI

p-value

RR

95%CI

p-value

Site

         

US-Colorado

1.00

ref

 

1.00

ref

 

1.00

ref

 

US-Georgia

1.18

1.14 – 1.22

 

1.30

1.23 – 1.37

 

1.12

1.07 – 1.16

 

US-Washington

1.05

1.02 – 1.09

 

1.03

0.97 – 1.09

 

1.06

1.02 – 1.10

 

Europe – Finland

1.50

1.46 – 1.54

 

1.95

1.87 – 2.04

 

1.28

1.24 – 1.32

 

Europe – Germany

1.40

1.34 – 1.45

 

1.80

1.69 – 1.92

 

1.19

1.13 – 1.25

 

Europe - Sweden

1.42

1.39 – 1.46

<0.001

2.39

2.30 – 2.49

<0.001

0.94

0.91 – 0.97

<0.001

Gender of child

         

Female

1.00

ref

 

1.00

ref

 

1.00

ref

 

Male

1.04

1.02 – 1.05

<0.001

1.03

1.00 – 1.05

0.02

1.05

1.03 – 1.07

<0.001

First degree relative with T1D

         

No

1.00

ref

 

1.00

ref

 

1.00

ref

 

Yes

1.01

0.98 – 1.04

0.40

0.97

0.93 – 1.01

0.19

1.05

1.01 – 1.09

0.02

HLA-DR-DQ genotype

         

DR4-DQ8/DR4-DQ8

1.00

ref

 

1.00

ref

 

1.00

ref

 

DR3-DQ2/DR4-DQ8

1.02

1.00 – 1.04

 

0.99

0.96 – 1.02

 

1.05

1.02 – 1.08

 

DR4-DQ8/DR8-DQ4

0.97

0.94 – 0.99

 

0.97

0.93 – 1.01

 

0.96

0.93 – 1.00

 

DR3-DQ2/DR3-DQ2

0.99

0.97 – 1.01

 

0.92

0.89 – 0.95

 

1.05

1.02 – 1.09

 

HLA-FDR specifica

0.98

0.93 – 1.03

<0.001

1.01

0.94 – 1.09

<0.001

0.95

0.89 – 1.02

<0.001

  1. aFDR HLA-DR-DQ genotypes are DR4-DQ8 with either DR4-DQ4.2, DR13-DQ6.4, DR12-DQ5.1, DR4-DQ7, DR4-DQ2, DR9-DQ9 or genotype DR3-DQ2/DR9-DQ9.
  2. Multiple Poisson regression models examining the infectious episode rates by site, gender, HLA-DR-DQ genotype and family history of a first degree relative with T1D. Rate ratios show risk of A) any type of infectious episode, B) febrile and C) non-febrile infectious episode rates relative to reference group.